ASN查询

Find the autonomous system (AS) behind any IP address, or look up an AS number to see its owner, country, announced IPv4 and IPv6 prefixes and upstream providers.

AS45899 · VNPT-AS-VN - VNPT Corp

已宣告
AS 号
AS45899
持有者
VNPT-AS-VN - VNPT Corp
国家/地区
VN
注册机构
Assigned by APNIC
IPv4 前缀
3417(7,653,120 个地址)
IPv6 前缀
333
邻居
85 个上游/对等,133 个下游
主要上游

IPv4 前缀

3417 个中的前 200 个
14.160.0.0/16
14.160.0.0/20
14.160.16.0/20
14.160.32.0/20
14.160.48.0/20
14.160.64.0/20
14.160.80.0/20
14.160.96.0/20
14.160.112.0/20
14.160.128.0/20
14.160.144.0/20
14.160.160.0/20
14.160.176.0/20
14.160.192.0/20
14.160.208.0/20
14.160.224.0/20
14.160.240.0/20
14.161.0.0/21
14.161.8.0/21
14.161.16.0/21
14.161.24.0/21
14.161.30.0/23
14.161.32.0/20
14.161.32.0/21
14.161.40.0/21
14.161.48.0/20
14.161.48.0/21
14.161.64.0/20
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14.161.72.0/21
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14.161.96.0/21
14.161.104.0/21
14.161.112.0/20
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14.161.120.0/21
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14.161.136.0/21
14.161.144.0/20
14.161.144.0/21
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14.161.160.0/21
14.161.168.0/21
14.161.176.0/20
14.161.176.0/21
14.161.184.0/21
14.161.192.0/20
14.161.192.0/21
14.161.200.0/21
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14.161.216.0/21
14.161.224.0/20
14.161.224.0/21
14.161.232.0/21
14.161.240.0/20
14.161.240.0/21
14.161.248.0/21
14.161.253.0/24
14.162.0.0/16
14.162.0.0/20
14.162.16.0/20
14.162.32.0/20
14.162.48.0/20
14.162.64.0/20
14.162.96.0/20
14.162.112.0/20
14.162.128.0/20
14.162.144.0/20
14.162.160.0/20
14.162.176.0/20
14.162.192.0/20
14.162.208.0/20
14.162.224.0/20
14.162.240.0/20
14.163.0.0/16
14.163.0.0/20
14.163.16.0/20
14.163.32.0/20
14.163.48.0/20
14.163.64.0/20
14.163.80.0/20
14.163.96.0/20
14.163.112.0/20
14.163.128.0/20
14.163.144.0/20
14.163.160.0/20
14.163.176.0/20
14.163.192.0/20
14.163.208.0/20
14.163.224.0/20
14.163.240.0/20
14.164.0.0/16
14.164.0.0/20
14.164.16.0/20
14.164.32.0/20
14.164.48.0/20
14.164.64.0/20
14.164.80.0/20
14.164.96.0/20
14.164.112.0/20
14.164.128.0/20
14.164.144.0/20
14.164.160.0/20
14.164.176.0/20
14.164.192.0/20
14.164.201.0/24
14.164.202.0/23
14.164.204.0/23
14.164.208.0/20
14.164.224.0/20
14.164.240.0/20
14.165.0.0/16
14.165.0.0/20
14.165.16.0/20
14.165.32.0/20
14.165.48.0/20
14.165.64.0/20
14.165.80.0/20
14.165.96.0/20
14.165.112.0/20
14.165.128.0/20
14.165.144.0/20
14.165.160.0/20
14.165.176.0/20
14.165.192.0/20
14.165.208.0/20
14.165.224.0/20
14.165.240.0/20
14.166.0.0/16
14.166.0.0/20
14.166.16.0/20
14.166.32.0/20
14.166.48.0/20
14.166.64.0/20
14.166.80.0/20
14.166.96.0/20
14.166.112.0/20
14.166.128.0/20
14.166.144.0/20
14.166.160.0/20
14.166.176.0/20
14.166.192.0/20
14.166.208.0/20
14.166.224.0/20
14.166.240.0/20
14.167.0.0/16
14.167.0.0/20
14.167.16.0/20
14.167.32.0/20
14.167.48.0/20
14.167.64.0/20
14.167.80.0/20
14.167.96.0/20
14.167.112.0/20
14.167.128.0/20
14.167.144.0/20
14.167.160.0/20
14.167.176.0/20
14.167.192.0/20
14.167.208.0/20
14.167.224.0/20
14.167.240.0/20
14.168.0.0/16
14.168.0.0/20
14.168.12.0/24
14.168.14.0/23
14.168.16.0/20
14.168.32.0/20
14.168.37.0/24
14.168.48.0/20
14.168.64.0/20
14.168.80.0/20
14.168.80.0/23
14.168.96.0/20
14.168.108.0/24
14.168.112.0/20
14.168.128.0/20
14.168.144.0/20
14.168.160.0/20
14.168.176.0/20
14.168.186.0/23
14.168.192.0/20
14.168.208.0/20
14.168.214.0/23
14.168.224.0/20
14.168.240.0/20
14.169.0.0/16
14.169.0.0/20
14.169.16.0/20
14.169.32.0/20
14.169.48.0/20
14.169.64.0/20
14.169.80.0/20

IPv6 前缀

333 个中的前 200 个
2001:df2:ce00::/48
2001:ee0::/32
2001:ee0:100::/42
2001:ee0:140::/42
2001:ee0:180::/42
2001:ee0:1c0::/42
2001:ee0:200::/42
2001:ee0:240::/42
2001:ee0:280::/42
2001:ee0:2c0::/42
2001:ee0:1006::/48
2001:ee0:1a00::/42
2001:ee0:1a40::/42
2001:ee0:1a80::/42
2001:ee0:2800::/43
2001:ee0:2801::/48
2001:ee0:2f00::/43
2001:ee0:2f00::/48
2001:ee0:2f06::/48
2001:ee0:2f07::/48
2001:ee0:2f20::/43
2001:ee0:2f40::/43
2001:ee0:3000::/43
2001:ee0:3000::/48
2001:ee0:300d::/48
2001:ee0:3100::/43
2001:ee0:3100::/48
2001:ee0:3200::/42
2001:ee0:3201::/48
2001:ee0:3202::/48
2001:ee0:3203::/48
2001:ee0:3204::/48
2001:ee0:3205::/48
2001:ee0:3206::/48
2001:ee0:3207::/48
2001:ee0:3210::/48
2001:ee0:3211::/48
2001:ee0:3212::/48
2001:ee0:3213::/48
2001:ee0:3214::/48
2001:ee0:3215::/48
2001:ee0:3220::/48
2001:ee0:3221::/48
2001:ee0:3222::/48
2001:ee0:3223::/48
2001:ee0:3224::/48
2001:ee0:3225::/48
2001:ee0:3229::/48
2001:ee0:322a::/48
2001:ee0:322b::/48
2001:ee0:322c::/48
2001:ee0:3240::/42
2001:ee0:3240::/48
2001:ee0:3241::/48
2001:ee0:324a::/48
2001:ee0:3280::/42
2001:ee0:3280::/48
2001:ee0:3281::/48
2001:ee0:32c0::/42
2001:ee0:3700::/42
2001:ee0:3e00::/42
2001:ee0:4000::/40
2001:ee0:4000::/42
2001:ee0:4040::/42
2001:ee0:4080::/42
2001:ee0:40c0::/42
2001:ee0:4100::/42
2001:ee0:4140::/42
2001:ee0:4180::/42
2001:ee0:41c0::/42
2001:ee0:4200::/42
2001:ee0:4240::/42
2001:ee0:4280::/42
2001:ee0:42c0::/42
2001:ee0:4300::/42
2001:ee0:4340::/42
2001:ee0:4380::/42
2001:ee0:43c0::/42
2001:ee0:4400::/42
2001:ee0:4440::/42
2001:ee0:4480::/42
2001:ee0:44c0::/42
2001:ee0:4500::/42
2001:ee0:4540::/42
2001:ee0:4580::/42
2001:ee0:45c0::/42
2001:ee0:4600::/42
2001:ee0:4640::/42
2001:ee0:4680::/42
2001:ee0:46c0::/42
2001:ee0:4700::/42
2001:ee0:4740::/42
2001:ee0:4780::/42
2001:ee0:47c0::/42
2001:ee0:4800::/42
2001:ee0:4840::/42
2001:ee0:4880::/42
2001:ee0:48c0::/42
2001:ee0:4900::/42
2001:ee0:4940::/42
2001:ee0:4980::/42
2001:ee0:49c0::/42
2001:ee0:4a00::/42
2001:ee0:4a40::/42
2001:ee0:4a80::/42
2001:ee0:4b00::/42
2001:ee0:4b40::/42
2001:ee0:4b80::/42
2001:ee0:4c00::/42
2001:ee0:4c40::/42
2001:ee0:4c80::/42
2001:ee0:4cc0::/42
2001:ee0:4d00::/42
2001:ee0:4d40::/42
2001:ee0:4d80::/42
2001:ee0:4dc0::/42
2001:ee0:4e00::/42
2001:ee0:4e40::/42
2001:ee0:4e80::/42
2001:ee0:4ec0::/42
2001:ee0:4f00::/42
2001:ee0:4f40::/42
2001:ee0:4f80::/42
2001:ee0:4fc0::/42
2001:ee0:5000::/42
2001:ee0:5040::/42
2001:ee0:5080::/42
2001:ee0:50c0::/42
2001:ee0:5100::/42
2001:ee0:5140::/42
2001:ee0:5180::/42
2001:ee0:51c0::/42
2001:ee0:5200::/42
2001:ee0:5240::/42
2001:ee0:5280::/42
2001:ee0:52c0::/42
2001:ee0:5300::/42
2001:ee0:5340::/42
2001:ee0:5380::/42
2001:ee0:53c0::/42
2001:ee0:5400::/42
2001:ee0:5440::/42
2001:ee0:5480::/42
2001:ee0:54c0::/42
2001:ee0:5500::/42
2001:ee0:5540::/42
2001:ee0:5580::/42
2001:ee0:55c0::/42
2001:ee0:5600::/42
2001:ee0:5640::/42
2001:ee0:5680::/42
2001:ee0:56c0::/42
2001:ee0:5700::/42
2001:ee0:5740::/42
2001:ee0:7000::/42
2001:ee0:7200::/42
2001:ee0:7240::/42
2001:ee0:7280::/42
2001:ee0:72c0::/42
2001:ee0:7300::/42
2001:ee0:7340::/42
2001:ee0:73c0::/42
2001:ee0:7400::/42
2001:ee0:7440::/42
2001:ee0:7480::/42
2001:ee0:74c0::/42
2001:ee0:7500::/42
2001:ee0:7580::/42
2001:ee0:75c0::/42
2001:ee0:7640::/42
2001:ee0:7680::/42
2001:ee0:76c0::/42
2001:ee0:7700::/42
2001:ee0:7780::/42
2001:ee0:77c0::/42
2001:ee0:7800::/42
2001:ee0:7840::/42
2001:ee0:7880::/42
2001:ee0:78c0::/42
2001:ee0:7900::/42
2001:ee0:7940::/42
2001:ee0:7980::/42
2001:ee0:79c0::/42
2001:ee0:7b00::/42
2001:ee0:7b80::/42
2001:ee0:7bc0::/42
2001:ee0:7c00::/42
2001:ee0:7c40::/42
2001:ee0:7c80::/42
2001:ee0:7cc0::/42
2001:ee0:7d00::/42
2001:ee0:7d40::/42
2001:ee0:7d80::/42
2001:ee0:7dc0::/42
2001:ee0:7e00::/42
2001:ee0:7e40::/42
2001:ee0:7e80::/42
2001:ee0:8000::/40
2001:ee0:8000::/42
2001:ee0:8100::/40

路由数据来自 RIPEstat,基于全球 BGP 路由收集器。

什么是 ASN?

互联网是由网络组成的网络。每个独立运营的网络,例如网络服务商、云服务商、大学或大型公司,都是一个自治系统(AS),由唯一的自治系统编号标识。各网络使用边界网关协议(BGP)宣告自己拥有哪些 IP 前缀,互联网上的每一条路由都是由 AS 编号组成的路径。阅读我们的 ASN 完整指南。

ASN 查询能做什么

  • 识别某个 IP 地址由谁运营,例如判断流量来自家庭宽带网络服务商、移动运营商还是云数据中心。
  • 列出某个组织宣告的所有前缀,这对防火墙白名单、威胁情报和网络规划很有用。
  • 检查路由状态:停止宣告前缀的 AS 可能正在发生故障。
  • 查看其上游服务商以及它的互联程度。

如何理解查询结果

  • 持有者:在区域性互联网注册管理机构中登记该 AS 编号的组织。
  • 已宣告的前缀:该 AS 当前在 BGP 中发起的 IP 段,来自 RIPE 的全球路由收集器所观测到的数据。
  • 邻居:“上游”统计在 BGP 路径中位于该 AS 左侧的网络(服务商和对等方);“下游”统计位于其右侧的网络(客户)。

常见问题

如何查到我自己的 ASN?

点击上方的“您的 IP”,或在我的IP地址是多少页面和我的ISP是什么中查看 ASN。

16 位 ASN 和 32 位 ASN 有什么区别?

最初的 AS 编号是 16 位的(最大 65,535)。自 RFC 4893(现为 RFC 6793)起,32 位 ASN 可容纳超过四十亿个网络。64512–65534 和 4200000000–4294967294 这两个范围保留供私有使用。

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