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自治系统

AS3300

British Telecommunications Limited

已宣布的 IP 地址
513,280
CIDR 前缀
44
ASN
AS3300

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.

58/100
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 AS3300 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)
198.207.75.0/24 AS3300, AS19905 2026-07-24 21:23:51
198.207.74.0/24 AS3300, AS19905 2026-07-24 21:23:51

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Traffic level 100-1000Mbps
Geographic scope Global
Traffic ratio Balanced
Peering policy Selective
IRR record AS-BT-GLOBAL

Present at 16 internet exchanges: Equinix Sydney, IX.br (PTT.br) São Paulo: ATM/MPLA, Equinix Chicago, Equinix Ashburn, Equinix San Jose, Equinix Dallas, NAPAfrica IX Johannesburg: Peering, Equinix Miami, JPIX TOKYO, Equinix Singapore, …

AS3300 — 全球 IP 足迹

AS 所在城市3300 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
205.248.0.0/16 65.5K
0.0%
British Telecommunications PLC US Virginia Ashburn
206.182.0.0/16 65.5K
0.0%
British Telecommunications PLC US
207.117.0.0/16 65.5K
0.0%
British Telecommunications PLC US
207.209.0.0/16 65.5K
0.0%
British Telecommunications PLC US
209.28.0.0/16 65.5K
0.0%
British Telecommunications PLC US New York Granville
204.231.0.0/17 32.8K
0.0%
British Telecommunications PLC US
61.14.0.0/18 16.4K
9.3%
British Telecommunications PLC AU
63.250.128.0/18 16.4K
91.4%
British Telecommunications PLC US Virginia Ashburn
192.237.64.0/18 16.4K
0.0%
British Telecommunications PLC US
198.207.64.0/18 16.4K
0.0%
British Telecommunications PLC US Illinois Chicago
199.6.64.0/18 16.4K
0.0%
British Telecommunications PLC US
204.140.64.0/18 16.4K
0.0%
British Telecommunications PLC US Virginia Boydton
204.231.128.0/18 16.4K
0.0%
British Telecommunications PLC US
192.92.32.0/19 8.2K
0.0%
British Telecommunications PLC US
203.187.128.0/19 8.2K
0.0%
British Telecommunications PLC US
205.248.96.0/19 8.2K
0.0%
British Telecommunications Limited US
72.29.128.0/20 4.1K
0.0%
British Telecommunications PLC US
192.157.144.0/20 4.1K
0.0%
British Telecommunications PLC US
198.207.64.0/20 4.1K
0.0%
British Telecommunications Limited US Illinois Chicago
198.207.112.0/20 4.1K
0.0%
British Telecommunications Limited US
199.6.112.0/20 4.1K
0.0%
British Telecommunications Limited US
204.231.176.0/20 4.1K
0.0%
British Telecommunications Limited US
205.248.80.0/20 4.1K
0.0%
British Telecommunications Limited US
61.14.40.0/21 2.0K
0.0%
British Telecommunications Limited ZA Gauteng Johannesburg
63.250.128.0/21 2.0K
0.0%
British Telecommunications Limited US Illinois Chicago
63.250.152.0/21 2.0K
0.0%
British Telecommunications Limited US Virginia Ashburn
63.250.176.0/21 2.0K
0.0%
British Telecommunications Limited US California San Jose
72.29.136.0/21 2.0K
0.0%
British Telecommunications Limited US
192.92.24.0/21 2.0K
0.0%
British Telecommunications PLC US
192.157.136.0/21 2.0K
0.0%
British Telecommunications PLC US
198.207.88.0/21 2.0K
0.0%
British Telecommunications Limited US
198.207.104.0/21 2.0K
0.0%
British Telecommunications Limited US
199.6.96.0/21 2.0K
0.0%
British Telecommunications Limited US
203.187.128.0/21 2.0K
0.0%
British Telecommunications Limited SG
203.187.136.0/21 2.0K
0.0%
British Telecommunications Limited US
203.187.152.0/21 2.0K
0.0%
British Telecommunications Limited US
204.140.88.0/21 2.0K
0.0%
British Telecommunications Limited IT
204.140.104.0/21 2.0K
0.0%
British Telecommunications Limited US
204.140.112.0/21 2.0K
0.0%
British Telecommunications Limited US
204.231.24.0/21 2.0K
0.0%
British Telecommunications Limited US
204.231.32.0/21 2.0K
0.0%
British Telecommunications Limited US
204.231.128.0/21 2.0K
0.0%
British Telecommunications Limited US
204.231.144.0/21 2.0K
0.0%
British Telecommunications Limited US
204.231.160.0/21 2.0K
0.0%
British Telecommunications Limited US
205.248.16.0/21 2.0K
0.0%
British Telecommunications Limited US
205.248.168.0/21 2.0K
0.0%
British Telecommunications Limited US
206.182.0.0/21 2.0K
0.0%
British Telecommunications Limited GB
207.117.248.0/21 2.0K
0.0%
British Telecommunications Limited US
61.14.4.0/22 1.0K
0.0%
British Telecommunications Limited HK
61.14.8.0/22 1.0K
0.0%
British Telecommunications Limited JP Tokyo Tokyo
61.14.12.0/22 1.0K
0.0%
British Telecommunications Limited AU New South Wales Sydney
61.14.20.0/22 1.0K
0.0%
British Telecommunications Limited AU New South Wales Sydney
61.14.24.0/22 1.0K
0.0%
British Telecommunications Limited HK
61.14.28.0/22 1.0K
0.0%
British Telecommunications Limited SG
61.14.36.0/22 1.0K
0.0%
British Telecommunications Limited JP Tokyo Tokyo
61.14.48.0/22 1.0K
0.0%
British Telecommunications Limited ZA Gauteng Johannesburg
63.250.140.0/22 1.0K
0.0%
British Telecommunications Limited US Illinois Chicago
63.250.144.0/22 1.0K
0.0%
British Telecommunications Limited BR São Paulo São Paulo
63.250.148.0/22 1.0K
0.0%
British Telecommunications Limited US Colorado Colorado Springs
63.250.160.0/22 1.0K
0.0%
British Telecommunications Limited CA Ontario Toronto
63.250.164.0/22 1.0K
0.0%
British Telecommunications Limited US Pennsylvania New Kensington
63.250.168.0/22 1.0K
0.0%
British Telecommunications Limited US Virginia Ashburn
63.250.184.0/22 1.0K
0.0%
British Telecommunications Limited US Florida Miami
72.29.132.0/22 1.0K
0.0%
British Telecommunications Limited US
192.92.20.0/22 1.0K
0.0%
British Telecommunications PLC US
192.157.132.0/22 1.0K
0.0%
British Telecommunications PLC US
192.237.64.0/22 1.0K
0.0%
British Telecommunications Limited US
192.237.84.0/22 1.0K
0.0%
British Telecommunications Limited US
192.237.100.0/22 1.0K
0.0%
British Telecommunications Limited US
198.207.84.0/22 1.0K
0.0%
British Telecommunications Limited US
198.207.100.0/22 1.0K
0.0%
British Telecommunications Limited US
199.6.64.0/22 1.0K
0.0%
British Telecommunications Limited GB
199.6.80.0/22 1.0K
0.0%
British Telecommunications Limited IT
199.6.92.0/22 1.0K
0.0%
British Telecommunications Limited US
199.6.108.0/22 1.0K
0.0%
British Telecommunications Limited US
203.187.148.0/22 1.0K
0.0%
British Telecommunications Limited US
204.140.64.0/22 1.0K
0.0%
British Telecommunications Limited US
204.140.80.0/22 1.0K
0.0%
British Telecommunications Limited US Virginia Boydton
204.140.96.0/22 1.0K
0.0%
British Telecommunications Limited IT
204.140.120.0/22 1.0K
0.0%
British Telecommunications Limited US
204.231.40.0/22 1.0K
0.0%
British Telecommunications Limited US
204.231.56.0/22 1.0K
0.0%
British Telecommunications Limited US
204.231.76.0/22 1.0K
0.0%
British Telecommunications Limited US
204.231.80.0/22 1.0K
0.0%
British Telecommunications Limited US
204.231.104.0/22 1.0K
0.0%
British Telecommunications Limited BE
204.231.108.0/22 1.0K
0.0%
British Telecommunications Limited US
204.231.116.0/22 1.0K
0.0%
British Telecommunications Limited SG
204.231.120.0/22 1.0K
0.0%
British Telecommunications Limited SG
204.231.152.0/22 1.0K
0.0%
British Telecommunications Limited US
204.231.172.0/22 1.0K
0.0%
British Telecommunications Limited US
205.248.0.0/22 1.0K
0.0%
British Telecommunications Limited SG
205.248.12.0/22 1.0K
0.0%
British Telecommunications Limited US
205.248.32.0/22 1.0K
0.0%
British Telecommunications Limited US
205.248.60.0/22 1.0K
0.0%
British Telecommunications Limited US
205.248.140.0/22 1.0K
0.0%
British Telecommunications Limited GB
205.248.156.0/22 1.0K
0.0%
British Telecommunications Limited US
205.248.160.0/22 1.0K
0.0%
British Telecommunications Limited US
205.248.184.0/22 1.0K
0.0%
British Telecommunications Limited GB
205.248.192.0/22 1.0K
0.0%
British Telecommunications Limited ES
205.248.200.0/22 1.0K
0.0%
British Telecommunications Limited US

BGP 公告前缀

实时 BGP 异常 →

前缀 AS3300 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
136.238.229.0/24 23,098 2026-07-24 21:23:50
136.238.243.0/24 23,059 2026-07-24 21:23:50
198.207.78.0/24 17,662 2026-07-24 20:28:02
136.238.185.0/24 15,617 2026-07-24 20:55:30
203.187.128.0/19 15,575 2026-07-24 20:55:30
203.187.146.0/24 15,466 2026-07-24 20:55:30
203.187.145.0/24 15,031 2026-07-24 20:55:30
61.14.48.0/22 14,886 2026-07-24 20:28:09
61.14.44.0/22 14,881 2026-07-24 20:28:09
198.207.79.0/24 14,805 2026-07-24 20:28:02
61.14.40.0/22 14,804 2026-07-24 20:28:09
61.14.1.0/24 14,678 2026-07-24 20:54:59
61.14.0.0/18 14,669 2026-07-24 20:54:59
63.250.138.0/24 14,639 2026-07-24 21:23:10
61.14.20.0/22 14,595 2026-07-24 20:54:59
61.14.12.0/22 14,563 2026-07-24 20:54:59
63.250.144.0/22 14,562 2026-07-24 21:23:10
61.14.15.0/24 14,557 2026-07-24 20:54:59
63.250.173.0/24 14,556 2026-07-24 21:23:10
63.250.144.0/24 14,549 2026-07-24 21:23:10
61.14.8.0/22 14,459 2026-07-24 20:54:59
61.14.36.0/22 14,451 2026-07-24 20:54:59
61.14.36.0/24 14,442 2026-07-24 20:54:59
192.92.19.0/24 14,434 2026-07-24 20:55:30
61.14.11.0/24 14,155 2026-07-24 20:54:59
61.14.52.0/24 14,150 2026-07-24 20:54:59
61.14.7.0/24 14,145 2026-07-24 20:54:59
61.14.2.0/23 14,141 2026-07-24 20:54:59
61.14.24.0/22 14,130 2026-07-24 20:54:59
61.14.4.0/22 14,098 2026-07-24 20:54:59
61.14.32.0/22 13,776 2026-07-24 20:52:54
61.14.39.0/24 12,938 2026-07-24 20:54:59
136.238.187.0/24 12,642 2026-07-24 20:55:30
185.249.6.0/24 12,302 2026-07-24 20:55:30
203.187.128.0/22 11,700 2026-07-24 20:52:54
61.14.31.0/24 11,405 2026-07-24 20:52:54
61.14.28.0/22 11,328 2026-07-24 20:52:54
61.14.34.0/24 11,292 2026-07-24 20:52:54
194.33.52.0/24 10,238 2026-07-24 20:55:30
198.178.237.0/24 10,220 2026-07-24 20:55:30
136.238.168.0/24 9,157 2026-07-24 20:28:02
198.207.75.0/24 7,151 2026-07-24 20:28:10
198.207.80.0/22 7,076 2026-07-24 21:24:18
198.207.74.0/24 7,069 2026-07-24 20:28:10
195.206.69.0/24 6,505 2026-07-24 21:14:36
195.206.70.0/24 6,496 2026-07-24 21:15:25
63.250.174.0/24 6,151 2026-07-24 20:28:10
192.92.18.0/24 5,332 2026-07-24 20:28:02
63.250.168.0/22 5,177 2026-07-24 20:28:10
63.250.156.0/22 5,173 2026-07-24 20:28:10

显示前 50 of 122 按样本量公告的前缀。

Frequently Asked Questions

什么是 AS3300?

AS3300 是分配给 British Telecommunications 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。

AS3300 公告了多少个 IP 地址?

AS3300 公告了 513.3K 个 IPv4 地址,分布在 44 个路由 CIDR 前缀中。 该网络在 United States 注册。

谁运营 AS3300?

AS3300 由 British Telecommunications Limited 运营。 该组织总部位于 United States。 您可以在组织页面查看所有 IP 范围和相关 ASNs。

AS3300 在哪个国家注册?

AS3300 在 United States 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:2026-07-24 21:25:31 UTC
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