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.

AS15169 · GOOGLE - Google LLC

已宣告
AS 号
AS15169
持有者
GOOGLE - Google LLC
国家/地区
US
注册机构
Assigned by ARIN
IPv4 前缀
1237(2,615,808 个地址)
IPv6 前缀
176
邻居
139 个上游/对等,20 个下游
主要上游

IPv4 前缀

1237 个中的前 200 个
8.8.4.0/24
8.8.8.0/24
34.0.0.0/15
34.0.0.0/20
34.0.16.0/20
34.0.32.0/20
34.0.48.0/20
34.0.96.0/19
34.0.128.0/19
34.0.160.0/19
34.0.192.0/19
34.0.224.0/24
34.0.225.0/24
34.0.226.0/24
34.0.228.0/24
34.0.229.0/24
34.0.230.0/24
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34.0.236.0/23
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34.0.240.0/20
34.1.0.0/20
34.1.16.0/20
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34.1.64.0/24
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34.1.176.0/20
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34.1.224.0/19
34.2.0.0/16
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34.2.32.0/20
34.2.48.0/20
34.2.64.0/22
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34.2.96.0/20
34.2.112.0/24
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34.2.118.0/23
34.2.120.0/22
34.2.124.0/22
34.2.128.0/17
34.3.3.0/24
34.3.16.0/20
34.3.16.0/23
34.3.18.0/23
34.3.20.0/22
34.3.24.0/22
34.3.28.0/22
34.3.32.0/19
34.3.48.0/22
34.3.52.0/22
34.3.56.0/22
34.3.60.0/22
34.3.64.0/18
34.3.68.0/22
34.3.72.0/22
34.3.76.0/22
34.3.80.0/20
34.3.96.0/20
34.4.4.0/24
34.4.16.0/20
34.4.16.0/22
34.4.20.0/22
34.4.24.0/22
34.4.28.0/22
34.4.32.0/19
34.4.32.0/20
34.4.48.0/20
34.4.64.0/18
34.4.64.0/20
34.4.80.0/20
34.4.96.0/22
34.4.100.0/24
34.4.102.0/23
34.4.104.0/21
34.4.128.0/17
34.4.128.0/18
34.4.192.0/24
34.4.208.0/20
34.5.0.0/16
34.112.0.0/14
34.112.0.0/16
34.113.0.0/16
34.188.0.0/16
34.189.0.0/16
34.190.0.0/16
34.190.0.0/21
34.190.8.0/21
34.190.16.0/21
34.190.24.0/21
34.190.40.0/21
34.190.48.0/21
34.190.56.0/21
34.190.64.0/21
34.190.72.0/21
34.190.80.0/21
34.190.88.0/21
34.190.96.0/21
34.190.104.0/21
34.190.112.0/21
34.190.120.0/21
34.190.128.0/21
34.190.136.0/21
34.190.144.0/21
34.190.152.0/21
34.190.160.0/21
34.190.168.0/21
34.190.176.0/21
34.190.184.0/21
34.190.192.0/21
34.190.208.0/21
34.190.216.0/21
34.190.224.0/21
34.190.232.0/21
34.190.240.0/21
34.190.248.0/21
34.191.0.0/16
34.191.0.0/21
34.191.8.0/21
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34.191.64.0/21
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34.191.80.0/21
34.191.88.0/21
35.206.0.0/15
35.206.0.0/24
35.206.1.0/24
35.206.2.0/24

IPv6 前缀

2001:4860::/32
2001:4860:4820::/48
2001:4860:4821::/48
2001:4860:4822::/48
2001:4860:4823::/48
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2001:4860:4864::/48
2404:6800::/32
2404:6800:4001::/48
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2404:6800:480e::/48
2404:f340::/32
2600:1902::/31
2600:1902::/44
2600:1902:10::/44
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2605:ef80::/32
2606:40::/32
2607:f8b0::/32
2607:f8b0:4000::/48
2607:f8b0:4001::/48
2607:f8b0:4002::/48
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2607:f8b0:4004::/48
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2607:f8b0:4015::/48
2607:f8b0:4016::/48
2607:f8b0:480e::/48
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2620:120:e000::/40
2800:3f0::/32
2800:3f0:4001::/48
2800:3f0:4002::/48
2800:3f0:4003::/48
2800:3f0:4004::/48
2800:3f0:4005::/48
2a00:1450::/32
2a00:1450:4001::/48
2a00:1450:4002::/48
2a00:1450:4003::/48
2a00:1450:4004::/48
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2a00:1450:4015::/48
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2a00:1450:4025::/48
2a00:1450:480e::/48
2c0f:fb50::/32
2c0f:fb50:4002::/48
2c0f:fb50:4003::/48

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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