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.

AS812 · ROGERS-COMMUNICATIONS - Rogers Communications Canada Inc.

已宣告
AS 号
AS812
持有者
ROGERS-COMMUNICATIONS - Rogers Communications Canada Inc.
国家/地区
CA
注册机构
Assigned by ARIN
IPv4 前缀
1472(5,857,280 个地址)
IPv6 前缀
743
邻居
22 个上游/对等,213 个下游
主要上游

IPv4 前缀

1472 个中的前 200 个
9.232.0.0/20
9.233.112.0/21
9.249.96.0/22
9.249.108.0/22
13.141.128.0/21
13.141.136.0/22
23.27.205.0/24
23.155.64.0/24
24.81.0.0/16
24.102.0.0/18
24.114.0.0/16
24.114.22.0/23
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24.215.0.0/18
24.235.96.0/19
31.13.214.0/24
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51.194.8.0/21
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51.241.104.0/24
64.26.128.0/18
64.71.240.0/20
64.87.64.0/18
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64.201.32.0/19
65.97.192.0/18
65.111.144.0/23
65.111.152.0/24
66.92.170.0/24
66.146.128.0/19
66.185.80.0/20
66.207.96.0/19
66.209.48.0/22
66.209.52.0/22
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66.220.47.0/24
66.242.96.0/20
67.200.48.0/24
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67.200.102.0/24
67.210.160.0/20
67.224.80.0/20
67.231.208.0/20
69.17.128.0/18
69.17.159.0/24
69.20.224.0/19
69.26.194.0/24
69.26.251.0/24
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69.63.240.0/20
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69.164.176.0/21
72.1.192.0/19
72.12.128.0/18
72.136.0.0/13
72.136.0.0/14
72.136.96.0/23
72.136.98.0/23
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72.136.128.0/22
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72.136.136.0/22
72.136.140.0/22
72.136.144.0/22
72.136.148.0/22
72.136.152.0/22
72.136.156.0/22
72.136.176.0/24
72.136.177.0/24
72.136.178.0/24
72.136.179.0/24
72.136.180.0/24
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72.136.185.0/24
72.136.186.0/24
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72.136.194.0/24
72.137.0.0/16
72.138.0.0/16
72.138.112.0/24
72.138.113.0/24
72.138.117.0/24
72.138.118.0/24
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72.138.120.0/24
72.138.121.0/24
72.139.192.0/23
72.139.194.0/23
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72.139.198.0/23
72.139.200.0/23
72.139.202.0/23
72.139.204.0/23
72.139.206.0/23
72.139.216.0/22
72.139.224.0/22
72.139.228.0/22
72.139.232.0/22
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72.139.238.0/23
72.139.240.0/22
72.139.244.0/22
72.139.248.0/22
72.139.252.0/22
72.140.0.0/15
72.140.192.0/20
72.140.208.0/20
72.140.224.0/22
72.141.224.0/19
72.142.0.0/17
72.142.48.0/20
72.142.152.0/22
72.142.156.0/22
72.142.160.0/20
72.142.176.0/22
72.142.180.0/22
72.142.184.0/21
72.143.0.0/18
72.143.64.0/18
72.143.192.0/23
72.143.194.0/23
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72.143.198.0/23
72.143.200.0/23
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72.143.206.0/23
72.143.208.0/23
72.143.210.0/23
72.143.212.0/23
72.143.214.0/23

IPv6 前缀

743 个中的前 200 个
2001:506:20::/48
2605:8d80::/32
2605:8d80:300::/42
2605:8d80:324::/47
2605:8d80:326::/47
2605:8d80:32c::/47
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2605:8d80:800::/38
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2605:8d80:800::/41
2605:8d80:e03::/48
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2605:8d80:12f8::/45
2605:8d80:1300::/42
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2605:8d80:1390::/44
2605:8d80:13a0::/44
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2605:8d80:1410::/44
2605:8d80:1420::/45
2605:8d80:1428::/46
2605:8d80:142c::/46
2605:8d80:1430::/45
2605:8d80:1438::/46
2605:8d80:143c::/46
2605:8d80:1448::/46
2605:8d80:144c::/46
2605:8d80:1458::/46
2605:8d80:145c::/46
2605:8d80:1468::/46
2605:8d80:146c::/46
2605:8d80:1478::/46
2605:8d80:147c::/46
2605:8d80:1500::/44
2605:8d80:1510::/44
2605:8d80:1520::/44
2605:8d80:1530::/44
2605:8d80:1548::/46

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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