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自治系统

AS204997

First Server Limited

已宣布的 IP 地址
16,128
CIDR 前缀
32
ASN
AS204997

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

53/100
Caution
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

⚠ 2 MOAS 前缀es — 检测到多源 ASNs

所有 MOAS 异常 →

此前由 AS204997 公告的稳定前缀现在也由另一个 ASN 公告(MOAS — 多源 AS),这是通过我们的 RIPE RIS 收集器检测到的。这通常是良性的(任播、多宿主或近期转移)—— 但它可能预示着路由泄漏或前缀劫持,因此值得检查。

前缀源 ASNs最后检测 (UTC)
185.255.134.120/32 AS50113, AS204997 2026-09-10 23:10:50
46.17.104.122/32 AS50113, AS204997 2026-09-09 18:25:37

AS204997 — 全球 IP 足迹

AS 所在城市204997 拥有可衡量的 IPv4 分配。点击任意圆点可打开该城市的页面。大小和颜色随 IP 数量变化。

在 3D 地球上查看 →

热门 CIDR 范围

CIDRIP 地址PTR Density组织国家StateCity
45.144.64.0/22 1.0K
0.0%
First Server Limited VG
147.78.64.0/22 1.0K
99.7%
First Server Limited VG
185.139.68.0/22 1.0K
70.3%
First Server Limited VG
185.189.12.0/22 1.0K
85.6%
First Server Limited VG
185.195.24.0/22 1.0K
0.0%
First Server Limited VG
185.255.132.0/22 1.0K
100.0%
First Server Limited VG
104.128.136.0/23 512
48.8%
First Server Limited AE
104.128.140.0/23 512
100.0%
First Server Limited AE
139.28.222.0/23 512
96.5%
First Server Limited VG
157.228.134.0/23 512
0.0%
First Server Limited AE
157.228.136.0/23 512
0.0%
First Server Limited AE
178.253.38.0/23 512
26.6%
First Server Limited GR
178.253.44.0/23 512
48.6%
First Server Limited GR
185.104.248.0/23 512
100.0%
First Server Limited VG
185.180.230.0/23 512
87.9%
First Server Limited VG
185.188.182.0/23 512
100.0%
First Server Limited VG
185.204.2.0/23 512
0.0%
First Server Limited VG
185.244.172.0/23 512
99.6%
First Server Limited VG
185.252.146.0/23 512
99.4%
First Server Limited VG
193.109.78.0/23 512
94.1%
First Server Limited VG
46.17.104.0/24 256
97.3%
First Server Limited VG
91.217.81.0/24 256
0.0%
First Server Limited VG
104.128.132.0/24 256
100.0%
First Server Limited AE
135.136.180.0/24 256
0.0%
First Server Limited AE
135.136.188.0/24 256
8.6%
First Server Limited AE
135.136.191.0/24 256
7.4%
First Server Limited AE
157.228.190.0/24 256
0.0%
First Server Limited RU
185.17.3.0/24 256
99.6%
First Server Limited VG
185.174.138.0/24 256
0.0%
First Server Limited VG
185.180.231.0/24 256
0.0%
First Server Limited VG
185.204.0.0/24 256
99.6%
First Server Limited VG
185.212.148.0/24 256
100.0%
First Server Limited VG
195.66.114.0/24 256
98.8%
First Server Limited VG

BGP 公告前缀

实时 BGP 异常 →

前缀 AS204997 实际源自 BGP,通过我们的 RIPE RIS 收集器观测。此实时路由视图可能与上述注册分配有所不同。

Prefix公告样本最后观测
104.128.136.0/24 81,726 2026-09-10 22:56:35
104.128.132.0/24 81,725 2026-09-10 22:56:35
104.128.141.0/24 81,415 2026-09-10 22:56:35
104.128.140.0/24 80,995 2026-09-10 22:56:35
104.128.137.0/24 80,961 2026-09-10 22:56:35
185.174.138.0/24 80,959 2026-09-10 22:56:35
178.253.45.0/24 80,819 2026-09-10 22:56:27
178.253.44.0/24 80,633 2026-09-10 22:56:27
135.136.191.0/24 79,790 2026-09-10 22:56:35
178.253.38.0/24 79,364 2026-09-10 22:56:27
178.253.39.0/24 79,217 2026-09-10 22:56:27
135.136.188.0/24 78,958 2026-09-10 22:56:27
135.136.180.0/24 78,810 2026-09-10 22:56:27
185.104.248.0/24 77,047 2026-09-10 22:56:35
185.189.15.0/24 76,919 2026-09-10 22:56:35
185.189.14.0/24 76,873 2026-09-10 22:56:35
147.78.65.0/24 76,521 2026-09-10 22:56:35
185.189.13.0/24 76,511 2026-09-10 22:56:35
185.17.3.0/24 76,493 2026-09-10 22:56:35
139.28.223.0/24 76,486 2026-09-10 22:56:35
185.189.12.0/24 76,438 2026-09-10 22:56:35
46.17.104.0/24 76,414 2026-09-10 22:56:35
45.144.64.0/24 76,400 2026-09-10 22:56:35
147.78.64.0/24 76,353 2026-09-10 22:56:35
45.144.66.0/24 76,333 2026-09-10 22:56:35
91.217.81.0/24 76,327 2026-09-10 22:56:35
185.252.147.0/24 76,232 2026-09-10 22:56:35
45.144.65.0/24 76,214 2026-09-10 22:56:35
193.109.79.0/24 76,188 2026-09-10 22:57:05
195.66.114.0/24 76,185 2026-09-10 22:57:05
147.78.67.0/24 76,181 2026-09-10 22:56:35
139.28.222.0/24 76,117 2026-09-10 22:56:35
147.78.66.0/24 76,108 2026-09-10 22:56:35
193.109.78.0/24 76,045 2026-09-10 22:57:05
45.144.67.0/24 76,024 2026-09-10 22:56:35
185.255.135.0/24 75,996 2026-09-10 22:56:35
185.255.132.0/24 75,987 2026-09-10 22:56:35
185.204.3.0/24 75,979 2026-09-10 22:56:35
185.188.183.0/24 75,931 2026-09-10 22:56:35
185.188.182.0/24 75,922 2026-09-10 22:56:35
185.255.134.0/24 75,909 2026-09-10 22:56:35
185.252.146.0/24 75,907 2026-09-10 22:56:35
185.139.68.0/24 75,848 2026-09-10 22:56:35
185.244.173.0/24 75,830 2026-09-10 22:56:35
185.139.71.0/24 75,822 2026-09-10 22:56:35
185.139.69.0/24 75,784 2026-09-10 22:56:35
185.255.133.0/24 75,780 2026-09-10 22:56:35
185.195.27.0/24 75,706 2026-09-10 22:56:35
185.204.2.0/24 75,692 2026-09-10 22:56:35
185.212.148.0/24 75,692 2026-09-10 22:56:35

显示前 50 of 84 按样本量公告的前缀。

Frequently Asked Questions

什么是 AS204997?

AS204997 是分配给 First Server Limited 的自治系统编号 (Autonomous System Number)。ASN 标识一个控制特定 IP 地址集的网络,并通过 BGP(边界网关协议)确定流量如何在互联网上传输。

AS204997 公告了多少个 IP 地址?

AS204997 公告了 16.1K 个 IPv4 地址,分布在 32 个路由 CIDR 前缀中。 该网络在 United Kingdom 注册。

谁运营 AS204997?

AS204997 由 First Server Limited 运营。 该组织总部位于 United Kingdom。 您可以在组织页面查看所有 IP 范围和相关 ASNs。

AS204997 在哪个国家注册?

AS204997 在 United Kingdom 注册。这表明网络运营商的总部所在地,尽管其公告的 IP 地址可能服务全球用户。

最后更新:2026-09-10 23:11:38 UTC
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