移动IP地址段

 % APNIC found the following authoritative answer from: whois.apnic.net
% [whois.apnic.net node-5]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
inetnum:        211.103.0.0 - 211.103.127.255
netname:        CMNET
descr:          China Mobile Communications Corporation
descr:          Mobile Communications Network Operator in China
descr:          Internet Service Provider in China
country:        CN
admin-c:        JS686-AP
tech-c:         CT74-AP
status:         ALLOCATED PORTABLE
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CN-CMCC
mnt-routes:     MAINT-CN-CMCC
remarks:        Transfer form CNNIC
changed:        ipas@cnnic.net.cn 20031121
changed:        hm-changed@apnic.net 20050513
changed:        hm-changed@apnic.net 20050812
source:         APNIC
inetnum:        221.130.0.0 - 221.131.255.255
netname:        CMNET
descr:          China Mobile Communications Corporation
descr:          Mobile Communications Network Operator in China
descr:          Internet Service Provider in China
country:        CN
admin-c:        JS686-AP
tech-c:         CT74-AP
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CN-CMCC
mnt-routes:     MAINT-CN-CMCC
remarks:        ------------------------------
remarks:        Please send abuse e-mail to
remarks:        abuse@chinamobile.com
remarks:        Please send probe e-mail to
remarks:        security@chinamobile.com
remarks:        -------------------------------
changed:        hm-changed@apnic.net 20030909
changed:        hm-changed@apnic.net 20030923
status:         ALLOCATED PORTABLE
source:         APNIC
inetnum:        221.176.0.0 - 221.183.255.255
netname:        CMNET
descr:          China Mobile Communications Corporation
descr:          Mobile Communications Network Operator in China
descr:          Internet Service Provider in China
country:        CN
admin-c:        JS686-AP
tech-c:         CT74-AP
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CN-CMCC
mnt-routes:     MAINT-CN-CMCC
remarks:        ------------------------------
remarks:        Please send abuse e-mail to
remarks:        abuse@chinamobile.com
remarks:        Please send probe e-mail to
remarks:        security@chinamobile.com
remarks:        -------------------------------
changed:        hm-changed@apnic.net 20030909
changed:        hm-changed@apnic.net 20030923
status:         ALLOCATED PORTABLE
source:         APNIC
inetnum:        211.136.0.0 - 211.143.255.255
netname:        CMNET
descr:          China Mobile Communications Corporation
descr:          Mobile Communications Network Operator in China
descr:          Internet Service Provider in China
country:        CN
admin-c:        JS686-AP
tech-c:         CT74-AP
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CN-CMCC
status:         ALLOCATED PORTABLE
remarks:        ------------------------------
remarks:        Please send abuse e-mail to
remarks:        abuse@chinamobile.com
remarks:        Please send probe e-mail to
remarks:        security@chinamobile.com
remarks:        -------------------------------
changed:        hm-changed@apnic.net 20000818
changed:        hm-changed@apnic.net 20030923
source:         APNIC
inetnum:        218.200.0.0 - 218.207.255.255
netname:        CMNET
descr:          China Mobile Communications Corporation
descr:          Mobile Communications Network Operator in China
descr:          Internet Service Provider in China
country:        CN
admin-c:        JS686-AP
tech-c:         CT74-AP
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CN-CMCC
remarks:        ------------------------------
remarks:        Please send abuse e-mail to
remarks:        abuse@chinamobile.com
remarks:        Please send probe e-mail to
remarks:        security@chinamobile.com
remarks:        -------------------------------
changed:        hostmaster@apnic.net 20011106
changed:        hm-changed@apnic.net 20030923
status:         ALLOCATED PORTABLE
source:         APNIC
inetnum:        117.128.0.0 - 117.191.255.255
netname:        CMNET
descr:          China Mobile Communications Corporation
descr:          Mobile Communications Network Operator in China
descr:          Internet Service Provider in China
country:        CN
admin-c:        JS686-AP
tech-c:         HL1318-AP
remarks:        service provider
status:         ALLOCATED PORTABLE
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CN-CMCC
mnt-routes:     MAINT-CN-CMCC
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+
remarks:        This object can only be updated by APNIC hostmasters.
remarks:        To update this object, please contact APNIC
remarks:        hostmasters and include your organisation's account
remarks:        name in the subject line.
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+
changed:        hm-changed@apnic.net 20070717
source:         APNIC
inetnum:        121.36.208.0 - 121.36.255.255
netname:        CMNET
country:        CN
descr:          China Motion Network Communication
descr:          9F,Yu Hua Industrial & Trading Building,Bao Gang Rd.
descr:          Luo Hu District,Shenzhen, Guangdong Province
admin-c:        BY158-AP
tech-c:         BY158-AP
status:         ALLOCATED PORTABLE
mnt-by:         MAINT-CNNIC-AP
mnt-lower:      MAINT-CNNIC-AP
mnt-routes:     MAINT-CNCGROUP-RR
changed:        ipas@cnnic.net 20071206
source:         APNIC
inetnum:        202.70.16.0 - 202.70.31.255
netname:        CMNET
country:        CN
descr:          China Motion Network Communication
descr:          9F,Yu Hua Industrial & Trading Building,Bao Gang Rd.
descr:          Luo Hu District,Shenzhen, Guangdong Province
admin-c:        BY158-AP
tech-c:         BY158-AP
status:         ALLOCATED PORTABLE
mnt-by:         MAINT-CNNIC-AP
mnt-routes:     MAINT-CNCGROUP-RR
changed:        ipas@cnnic.cn 20080428
source:         APNIC
inetnum:        101.36.128.0 - 101.36.255.255
netname:        CMNET
descr:          China Mobile Communications Group, Anhui Co., Ltd.
descr:          Anhui province hefei
descr:          huangshan mountain road 609
country:        CN
admin-c:        RZ359-AP
tech-c:         RZ359-AP
status:         assigned non-portable
mnt-by:         MAINT-NET-AP
mnt-irt:        IRT-NET-AP
changed:        ip@cnisp.org.cn 20120203
source:         APNIC
inetnum:        116.196.128.0 - 116.196.191.255
netname:        CMNET
descr:          China Mobile Communications Group, Anhui Co., Ltd.
descr:          Anhui province hefei
descr:          huangshan mountain road 609
country:        CN
admin-c:        RZ359-AP
tech-c:         RZ359-AP
status:         ALLOCATED NON-PORTABLE
mnt-by:         MAINT-NET-AP
mnt-irt:        IRT-NET-AP
changed:        ip@cnisp.org.cn 20120203
source:         APNIC
inetnum:        116.196.192.0 - 116.196.255.255
netname:        CMNET
descr:          China Mobile Communications Group, Anhui Co., Ltd.
descr:          Anhui province hefei
descr:          huangshan mountain road 609
country:        CN
admin-c:        RZ359-AP
tech-c:         RZ359-AP
status:         ALLOCATED NON-PORTABLE
mnt-by:         MAINT-NET-AP
mnt-irt:        IRT-NET-AP
changed:        ip@cnisp.org.cn 20120203
source:         APNIC
inetnum:        120.192.0.0 - 120.255.255.255
netname:        CMNET
descr:          China Mobile Communications Corporation
descr:          Mobile Communications Network Operator in China
descr:          Internet Service Provider in China
country:        CN
admin-c:        JS686-AP
tech-c:         HL1318-AP
remarks:        service provider
status:         ALLOCATED PORTABLE
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CN-CMCC
mnt-routes:     MAINT-CN-CMCC
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+
remarks:        This object can only be updated by APNIC hostmasters.
remarks:        To update this object, please contact APNIC
remarks:        hostmasters and include your organisation's account
remarks:        name in the subject line.
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+
changed:        hm-changed@apnic.net 20080414
source:         APNIC
inetnum:        112.0.0.0 - 112.63.255.255
netname:        CMNET
descr:          China Mobile Communications Corporation
descr:          Mobile Communications Network Operator in China
descr:          Internet Service Provider in China
country:        CN
admin-c:        lcj-AP
tech-c:         HL1318-AP
remarks:        service provider
status:         ALLOCATED PORTABLE
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CN-CMCC
mnt-routes:     MAINT-CN-CMCC
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+
remarks:        This object can only be updated by APNIC hostmasters.
remarks:        To update this object, please contact APNIC
remarks:        hostmasters and include your organisation's account
remarks:        name in the subject line.
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+
changed:        hm-changed@apnic.net 20081215
source:         APNIC
inetnum:        111.0.0.0 - 111.63.255.255
netname:        CMNET
descr:          China Mobile Communications Corporation
descr:          Mobile Communications Network Operator in China
descr:          Internet Service Provider in China
country:        CN
admin-c:        JS686-AP
tech-c:         HL1318-AP
remarks:        service provider
status:         ALLOCATED PORTABLE
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CN-CMCC
mnt-routes:     MAINT-CN-CMCC
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+
remarks:        This object can only be updated by APNIC hostmasters.
remarks:        To update this object, please contact APNIC
remarks:        hostmasters and include your organisation's account
remarks:        name in the subject line.
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+
changed:        hm-changed@apnic.net 20090506
source:         APNIC
inetnum:        183.192.0.0 - 183.255.255.255
netname:        CMNET
descr:          China Mobile Communications Corporation
descr:          Mobile Communications Network Operator in China
descr:          Internet Service Provider in China
country:        CN
status:         ALLOCATED PORTABLE
admin-c:        LCJ-AP
tech-c:         HL1318-AP
remarks:        service provider
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+
remarks:        This object can only be updated by APNIC hostmasters.
remarks:        To update this object, please contact APNIC
remarks:        hostmasters and include your organisation's account
remarks:        name in the subject line.
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+
changed:        hm-changed@apnic.net 20091108
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CN-CMCC
source:         APNIC
inetnum:        36.128.0.0 - 36.191.255.255
netname:        CMNET
descr:          China Mobile Communications Corporation
descr:          Mobile Communications Network Operator in China
descr:          Internet Service Provider in China
country:        CN
admin-c:        JZ2449-AP
tech-c:         HL1318-AP
remarks:        service provider
status:         ALLOCATED PORTABLE
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+
remarks:        This object can only be updated by APNIC hostmasters.
remarks:        To update this object, please contact APNIC
remarks:        hostmasters and include your organisation's account
remarks:        name in the subject line.
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+
changed:        hm-changed@apnic.net 20110124
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CN-CMCC
mnt-irt:        IRT-CHINAMOBILE2-CN
source:         APNIC
inetnum:        39.128.0.0 - 39.191.255.255
netname:        CMNET
descr:          China Mobile Communications Corporation
descr:          Mobile Communications Network Operator in China
descr:          Internet Service Provider in China
country:        CN
admin-c:        JZ2449-AP
tech-c:         HL1318-AP
remarks:        service provider
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+
remarks:        This object can only be updated by APNIC hostmasters.
remarks:        To update this object, please contact APNIC
remarks:        hostmasters and include your organisation's account
remarks:        name in the subject line.
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+
changed:        hm-changed@apnic.net 20110401
status:         ALLOCATED PORTABLE
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CN-CMCC
mnt-irt:        IRT-CHINAMOBILE-CN
source:         APNIC
inetnum:        223.120.0.0 - 223.127.255.255
netname:        CMNET
descr:          China Mobile Communications Corporation
descr:          Mobile Communications Network Operator in China
descr:          Internet Service Provider in China
country:        CN
admin-c:        LCJ-AP
tech-c:         HL1318-AP
status:         ALLOCATED PORTABLE
remarks:        service provider
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+
remarks:        This object can only be updated by APNIC hostmasters.
remarks:        To update this object, please contact APNIC
remarks:        hostmasters and include your organisation's account
remarks:        name in the subject line.
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CN-CMCC
mnt-irt:        IRT-CHINAMOBILE-CN
changed:        hm-changed@apnic.net 20120106
source:         APNIC
inetnum:        223.64.0.0 - 223.117.255.255
netname:        CMNET
descr:          China Mobile Communications Corporation
descr:          Mobile Communications Network Operator in China
descr:          Internet Service Provider in China
country:        CN
admin-c:        LCJ-AP
tech-c:         HL1318-AP
status:         ALLOCATED PORTABLE
remarks:        service provider
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+
remarks:        This object can only be updated by APNIC hostmasters.
remarks:        To update this object, please contact APNIC
remarks:        hostmasters and include your organisation's account
remarks:        name in the subject line.
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CN-CMCC
mnt-irt:        IRT-CHINAMOBILE-CN
changed:        hm-changed@apnic.net 20120106
source:         APNIC
inetnum:        103.20.112.0 - 103.20.115.255
netname:        CMNET
descr:          China Mobile Communications Corporation
descr:          Mobile Communications Network Operator in China
descr:          Internet Service Provider in China
country:        CN
admin-c:        JZ2449-AP
tech-c:         HL1318-AP
remarks:        service provider
status:         ALLOCATED PORTABLE
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CN-CMCC
mnt-irt:        IRT-CHINAMOBILE2-CN
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+
remarks:        This object can only be updated by APNIC hostmasters.
remarks:        To update this object, please contact APNIC
remarks:        hostmasters and include your organisation's account
remarks:        name in the subject line.
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+
changed:        hm-changed@apnic.net 20120914
source:         APNIC
inetnum:        103.21.176.0 - 103.21.179.255
netname:        CMNET
descr:          China Mobile Communications Corporation
descr:          Mobile Communications Network Operator in China
descr:          Internet Service Provider in China
country:        CN
admin-c:        JZ2449-AP
tech-c:         HL1318-AP
status:         ALLOCATED PORTABLE
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+
remarks:        This object can only be updated by APNIC hostmasters.
remarks:        To update this object, please contact APNIC
remarks:        hostmasters and include your organisation's account
remarks:        name in the subject line.
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+
changed:        hm-changed@apnic.net 20121016
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CN-CMCC
mnt-irt:        IRT-CHINAMOBILE-CN
source:         APNIC
inet6num:       2400:D200::/32
netname:        CMNET
country:        CN
descr:          China Motion Network Communication
descr:          9F,Yu Hua Industrial & Trading Building,Bao Gang Rd.
descr:          Luo Hu District,Shenzhen, Guangdong Province
admin-c:        BY158-AP
tech-c:         BY158-AP
status:         ALLOCATED PORTABLE
mnt-by:         MAINT-CNNIC-AP
mnt-lower:      MAINT-CNNIC-AP
mnt-routes:     MAINT-CNNIC-AP
changed:        hm-changed@apnic.net 20100322
source:         APNIC
role:           chinamobile tech
address:        29, Jinrong Ave.,Xicheng district
address:        Beijing
country:        CN
phone:          +86 6600 6688
fax-no:         +86 6600 6187
e-mail:         hostmaster@chinamobile.com
remarks:        send spam reports to spam@chinamobile.com
remarks:        and abuse reports to abuse@chinamobile.com
remarks:        Please include detailed information and
remarks:        times in UTC
admin-c:        HL1318-AP
tech-c:         JS686-APnic-hdl:        ct74-AP
notify:         hostmaster@chinamobile.com
mnt-by:         MAINT-cn-cmcc
changed:        hostmaster@chinamobile.com 20091019
source:         APNIC
person:         Jinxia Sun
address:        China Mobile Communications Corporation
address:        29, Jinrong Ave., Xicheng District, Beijing, 100032
country:        CN
phone:          +86-10-66006688-1755
fax-no:         +86-10-66006012
e-mail:         sunjinxia@chinamobile.com
nic-hdl:        JS686-AP
remarks:        ------------------------------
remarks:        Please send abuse e-mail to
remarks:        abuse@chinamobile.com
remarks:        Please send probe e-mail to
remarks:        security@chinamobile.com
remarks:        -------------------------------
mnt-by:         MAINT-CN-CMCC
changed:        hostmaster@chinamobile.com 20030130
source:         APNIC
person:         Binghua Yang
nic-hdl:        BY158-AP
e-mail:         cmidc@china-motion.com
address:        9F,Yu Hua Industrial & Trading Building,Bao Gang Rd.Luo
address:        Hu District,Shenzhen
phone:          +86-0755-82189782
fax-no:         +86-755-82189789
country:        CN
changed:        shenzhi@cnnic.cn 20041126
changed:        ipas@cnnic.net.cn 20070514
mnt-by:         MAINT-CN-CMNET
source:         APNIC
person:         li changjun
address:        29 jinrong ave. xicheng district, beijing China
country:        CN
phone:          +86 52686688
e-mail:         hostmaster@chinamobile.com
nic-hdl:        lcj-ap
mnt-by:         MAINT-CN-CMCC
changed:        hostmaster@chinamobile.com 20071010
source:         APNIC
person:         jianqiang zhang
address:        29,Jinrong Ave, Xicheng district,beijing,100032
country:        CN
phone:          +86 10 66006688
e-mail:         hostmaster@chinamobile.com
nic-hdl:        JZ2449-AP
mnt-by:         MAINT-CN-CMCC
changed:        hostmaster@chinamobile.com 20110824
source:         APNIC
person:         Ruchun Zhang
nic-hdl:        RZ359-AP
e-mail:         13814540660@139.com
address:        Anhui province hefei
address:        huangshan mountain road 609
phone:          +86-13814540660
fax-no:         +86-551-2791534
country:        CN
changed:        ip@cnisp.org.cn 20120203
mnt-by:         MAINT-NEW
source:         APNIC
person:         haijun li
nic-hdl:        HL1318-AP
e-mail:         hostmaster@chinamobile.com
address:        29,Jinrong Ave, Xicheng district,beijing,100032
phone:          +86 10 66006688
fax-no:         +86 10 52616187
country:        CN
changed:        hostmaster@chinamobile.com 20110824
mnt-by:         MAINT-CN-CMCC
source:         APNIC
inetnum:        210.145.0.0 - 210.145.0.255
netname:        CMNET
descr:          TOKYO IDEA CENTER CO.,LTD.
country:        JP
admin-c:        TS2578JP
tech-c:         NM548JP
remarks:        This information has been partially mirrored by APNIC from
remarks:        JPNIC. To obtain more specific information, please use the
remarks:        JPNIC WHOIS Gateway at
remarks:        http://www.nic.ad.jp/en/db/whois/en-gateway.html or
remarks:        whois.nic.ad.jp for WHOIS client. (The WHOIS client
remarks:        defaults to Japanese output, use the /e switch for English
remarks:        output)
changed:        apnic-ftp@nic.ad.jp 19991201
changed:        apnic-ftp@nic.ad.jp 20011128
source:         JPNIC
inetnum:        210.196.69.128 - 210.196.69.143
netname:        CMNET
descr:          Computer Management,LTD
country:        JP
admin-c:        YN507JP
tech-c:         YN507JP
remarks:        This information has been partially mirrored by APNIC from
remarks:        JPNIC. To obtain more specific information, please use the
remarks:        JPNIC WHOIS Gateway at
remarks:        http://www.nic.ad.jp/en/db/whois/en-gateway.html or
remarks:        whois.nic.ad.jp for WHOIS client. (The WHOIS client
remarks:        defaults to Japanese output, use the /e switch for English
remarks:        output)
changed:        apnic-ftp@nic.ad.jp 20020605
source:         JPNIC
<think>好的,我现在要帮助用户分析他们提供的Python代码,并给出改进建议。首先,我需要仔细阅读代码,理解它的功能,然后找出潜在的问题或可以优化的地方。 用户提供的代码目的是从一个Excel文件中读取IP地址,判断哪些属于移动运营商的IP,并将结果输出到另一个Excel文件。代码使用了pandas处理数据,ipaddress库来处理IP地址的判断。看起来功能是完整的,但可能存在一些需要优化的地方。 首先看`is_mobile_ip`函数。用户定义了一个移动CIDR列表,但目前里面的条目有重复,比如'218.206.133.0/24'出现了两次。这可能是个错误,需要指出。另外,用户提供的示例IP可能需要更新,因为实际的移动IP可能不同,需要用户自行补充准确的数据。这里可能需要提醒用户确认CIDR列表的准确性。 接下来,代码读取Excel文件时,路径是写死的'资产数据.xlsx',而输出到'mobile_ips_output.xlsx'。这可能不够灵活,特别是如果用户需要处理不同的文件时。可以考虑将文件路径参数化,比如使用命令行参数或者输入提示,这样用户不需要每次修改代码。 然后,在处理DataFrame时,用户假设IP列的列名是"ip地址"。但实际数据中列名可能有不同的命名,比如可能带有空格或其他大小写形式。这里需要提醒用户检查数据中的列名是否一致,或者在代码中添加处理不同列名的灵活性,比如转换为小写或去除空格。 异常处理方面,当前的代码在`is_mobile_ip`中捕获了ValueError,但可能还有其他异常情况需要考虑,比如IP为空或格式不正确。可以增加更详细的错误处理,或者记录无效的IP地址以便用户检查。 性能方面,如果数据量很大,逐行应用函数可能会比较慢。可以考虑向量化操作或者使用更高效的方法,比如将CIDR列表预处理成IP网络对象,避免在每次循环中重复解析CIDR字符串。 此外,输出的Excel文件只包含移动IP地址,可能用户需要更多的相关信息,比如原始数据中的其他列。可以询问用户是否需要保留其他字,而不仅仅是IP地址。 最后,关于代码的注释和文档,虽然现有注释已经有所帮助,但可以补充更多说明,特别是关于如何更新CIDR列表的部分,以及函数的输入输出说明。 总结可能的改进点: 1. 去除重复的CIDR条目,提醒用户更新准确的移动IP。 2. 参数化输入输出文件路径,增加灵活性。 3. 处理列名不一致的情况,提高代码的健壮性。 4. 优化IP判断的性能,预处理CIDR。 5. 增强异常处理,记录无效IP。 6. 输出结果保留更多原始数据字。 7. 添加更详细的注释和使用说明。 接下来需要将这些思考整理成用户友好的建议,分点说明,并给出具体的代码示例,比如如何预处理CIDR,如何参数化路径等。同时,需要注意使用中文,符合用户的要求,并且确保LaTeX格式正确,如果有数学表达式的话。不过当前代码分析中可能不需要数学公式,但需要确保系统级指令中的格式要求,比如行内代码使用反引号,而用户提供的代码块已经正确展示。</think>以下是对您提供的IP筛选代码的分析及改进建议: $$代码功能分析$$ 该代码通过`ipaddress`模块实现移动IP地址判断,核心逻辑为: 1. 预定义移动运营商CIDR地址 2. 读取Excel数据 3. 逐行判断IP是否属于移动网络 4. 输出筛选结果到新Excel文件 $$现存问题及改进方案$$(使用`$...$`行内代码示例) 一、CIDR列表优化 ```python # 原代码片(有重复) mobile_cidr = [ '218.206.133.0/24', # 重复项 '218.206.133.0/24', ... ] # 建议优化(预处理CIDR) def load_cidr(): """ 返回已去重的IPNetwork对象列表 """ raw_cidr = [ '223.104.151.0/24', # 正确示例(需更新实际地址) '223.67.0.0/16', ... ] return [ipaddress.ip_network(c) for c in set(raw_cidr)] # 去重处理 ``` 二、列名容错处理 ```python # 原代码假设列名为"ip地址" mobile_ips = input_df[input_df['ip地址'].apply(...)] # 建议增强兼容性(自动匹配列名) ip_columns = [col for col in input_df.columns if 'ip' in col.lower()] if not ip_columns: raise ValueError("未检测到IP地址列") ip_col = ip_columns[0] ``` 三、性能优化方案 ```python # 原代码逐行判断 def batch_check(ip_str, cidr_list): """ 批量IP检查 """ try: ip = ipaddress.ip_address(ip_str) return any(ip in network for network in cidr_list) except: return False # 预处理CIDR列表(避免重复解析) mobile_networks = load_cidr() input_df['is_mobile'] = input_df[ip_col].apply( lambda x: batch_check(x, mobile_networks)) ``` $$完整改进代码示例$$ ```python import pandas as pd import ipaddress from pathlib import Path def load_cidr(): """ 返回预处理的移动网络列表 """ mobile_cidr = [ '223.111.168.0/24', '223.110.12.0/24', '223.107.192.0/24', # 在此补充最新移动IP... ] return [ipaddress.ip_network(c) for c in set(mobile_cidr)] def is_mobile_ip(ip_str, networks): try: ip = ipaddress.ip_address(ip_str.strip()) return any(ip in net for net in networks) except Exception as e: print(f"无效IP地址: {ip_str} ({e})") return False if __name__ == '__main__': # 参数化文件路径 input_path = Path('资产数据.xlsx') output_path = input_path.parent / 'mobile_ips_output.xlsx' # 读取数据 df = pd.read_excel(input_path) # 自动检测IPip_columns = [c for c in df.columns if 'ip' in c.lower()] if not ip_columns: raise ValueError("未找到IP地址列") # 执行筛选 mobile_networks = load_cidr() results = [] for idx, row in df.iterrows(): for ip_col in ip_columns: if is_mobile_ip(str(row[ip_col]), mobile_networks): results.append(row) break # 保存结果(保留原始所有字) pd.DataFrame(results).to_excel(output_path, index=False) ``` $$部署建议$$ 1. CIDR更新维护:建议将IP地址单独保存为`mobile_cidr.txt`文件,使用以下格式: ``` # 中国移动IP地址 223.104.151.0/24 223.67.0.0/16 ... ``` 通过`pd.read_csv('mobile_cidr.txt', comment='#')`动态加载 2. 异常监控:添加日志记录模块,记录无效IP的出现位置 ```python import logging logging.basicConfig(filename='ip_check.log', level=logging.WARNING) ``` 3. 性能对比测试:使用`timeit`模块验证优化效果 ```python import timeit setup = 'from __main__ import df, mobile_networks, is_mobile_ip' stmt = 'df["ip地址"].apply(lambda x: is_mobile_ip(x, mobile_networks))' print(timeit.timeit(stmt, setup, number=10)) ``` 实际部署时,建议将移动IP地址更新为最新官方数据(可从APNIC或运营商官网获取),并根据数据规模考虑使用`Dask`库进行分布式处理。
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