【tcp/ip详解卷一】 whois

最新推荐文章于 2024-09-18 18:06:26 发布

原创最新推荐文章于 2024-09-18 18:06:26 发布 · 450 阅读

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博客以IP地址47.90.78.76为例，介绍了通过地址栏输入特定网址进行IP信息查询的过程。先查询该IP所属地址块及状态，得知归属香港阿里云，后不断往上查询更大地址块信息，最终查到其属于A类网络，归美洲internet号码注册机构。

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例子：

这里有一个ip地址为：47.90.78.76

地址栏输入：http://whois.arin.net/rest/ip/47.90.78.76.txt

查询结果为：


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2019, American Registry for Internet Numbers, Ltd.
#

NetRange:       47.90.0.0 - 47.90.127.255
CIDR:           47.90.0.0/17
NetName:        ALICLOUD-HK
NetHandle:      NET-47-90-0-0-1
Parent:         AL-3 (NET-47-88-0-0-1)
NetType:        Reassigned
OriginAS:       AS45102
Customer:       ALICLOUD-HK (C06961495)
RegDate:        2018-04-20
Updated:        2018-04-20
Comment:        1.For AliCloud IPR Infringement and Abuse Claim, please use below link with browser to report: https://intl.aliyun.com/report
Comment:        
Comment:        2.For Alibaba.com and Aliexpress.com's IPR Infringement , please use below link with browser to report: https://ipp.alibabagroup.com
Comment:        
Comment:        3.For Alibaba.com and Aliexpress.com's Abuse, please send email to those two mail lists to report: intl-abuse@list.alibaba-inc.com and abuse@alibaba-inc.com
Comment:        
Comment:        4. For network issue, please send email to this mail list: aliops-goc@list.alibaba-inc.com
Ref:            https://whois.arin.net/rest/net/NET-47-90-0-0-1

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2019, American Registry for Internet Numbers, Ltd.
#

可以看到该ip属于47.90.0.0/17 地址块的，所以如果下面没有在划分，同样的主机有2^15个，所属状态是被分配，归属ALICLOUD-HK（香港阿里云）。这个地址块属于AL-3 (NET-47-88-0-0-1)，所以继续往上查询。

地址栏输入：http://whois.arin.net/rest/net/NET-47-88-0-0-1.txt

查询结果为：


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2019, American Registry for Internet Numbers, Ltd.
#

NetRange:       47.88.0.0 - 47.91.255.255
CIDR:           47.88.0.0/14
NetName:        AL-3
NetHandle:      NET-47-88-0-0-1
Parent:         NET47 (NET-47-0-0-0-0)
NetType:        Direct Allocation
OriginAS:       
Organization:   Alibaba.com LLC (AL-3)
RegDate:        2015-05-18
Updated:        2017-04-26
Ref:            https://whois.arin.net/rest/net/NET-47-88-0-0-1

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2019, American Registry for Internet Numbers, Ltd.
#

可以看到前缀又变短了，这个地址块可以容纳2^18个主机，所属组织依然是阿里。继续往上查询

地址栏输入：http://whois.arin.net/rest/net/NET-47-0-0-0-0.txt

查询结果：


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2019, American Registry for Internet Numbers, Ltd.
#

NetRange:       47.0.0.0 - 47.255.255.255
CIDR:           47.0.0.0/8
NetName:        NET47
NetHandle:      NET-47-0-0-0-0
Parent:          ()
NetType:        Early Registrations, Maintained by ARIN
OriginAS:       
Organization:   American Registry for Internet Numbers (ARIN)
RegDate:        1989-01-06
Updated:        2012-02-29
Ref:            https://whois.arin.net/rest/net/NET-47-0-0-0-0

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2019, American Registry for Internet Numbers, Ltd.
#

前缀变为8，也就是一个A类网络。所属于ARIN，也就是美洲internet号码注册机构。