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自治系统

AS3257

GTT Communications Inc.

已宣布的 IP 地址
4,937,216
CIDR 前缀
4,413
ASN
AS3257

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
  • Baseline (neutral) 65
  • Multiple-origin (MOAS) routing anomaly −12
  • Isp allocation +5
  • Trust score 58 / 100

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

About Global Telecom & Technology

GTT Communications, Inc. (GTT), formerly Global Telecom and Technology, is a Network as a Service (NaaS) and Security as a Service (SECaaS) provider headquartered in Arlington, Virginia.

Founded
1998
Headquarters
Arlington County
Industry
telephone company

⚠ 28 MOAS 前缀es — 检测到多源 ASNs

所有 MOAS 异常 →

此前由 AS3257 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)
62.41.64.0/20 AS286, AS3257 2026-07-24 23:38:52
95.177.63.0/24 AS286, AS984, AS3257 2026-07-24 23:38:52
0.0.0.0/0 AS3257, AS212271 2026-07-24 23:38:52
195.86.32.0/24 AS286, AS984, AS3257 2026-07-24 23:38:52
194.121.123.0/24 AS286, AS3257, AS25038 2026-07-24 23:38:52
208.116.153.0/24 AS286, AS3257, AS5777 2026-07-24 23:38:52
62.41.0.0/20 AS286, AS3257 2026-07-24 23:38:52
204.193.36.0/23 AS3257, AS26651 2026-07-24 23:38:52
23.252.77.0/24 AS3257, AS19257 2026-07-24 23:38:52
194.121.203.0/24 AS3257, AS12480 2026-07-24 23:38:52
69.174.90.0/24 AS286, AS3257 2026-07-24 23:38:52
194.77.219.0/24 AS3257, AS55286 2026-07-24 23:38:52
23.252.78.0/24 AS3257, AS19257 2026-07-24 23:38:52
160.48.160.0/23 AS1136, AS3257 2026-07-24 23:38:52
66.80.133.0/24 AS286, AS3257 2026-07-24 20:38:51

显示最近检测到的 15 个,共 28 个 MOAS 前缀。大型网络上的许多多源前缀是良性的(任播);请参阅 所有 MOAS 异常.

Network profile

Source: PeeringDB →
Network type NSP
Geographic scope Global
Traffic ratio Balanced
Peering policy Restrictive
IRR record AS-GTT

Present at 2 internet exchanges: LINX LON1: Main, DE-CIX Frankfurt: DE-CIX Frankfurt Peering LAN

AS3257 — 全球 IP 足迹

AS 所在城市3257 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
217.204.0.0/14 262.1K
0.0%
GTT Communications Inc. GB England High Wycombe
217.204.0.0/15 131.1K
44.2%
GTT Communications Inc. GB England High Wycombe
67.100.0.0/16 65.5K
88.0%
GTT Communications Inc. US Florida Miami
81.188.0.0/16 65.5K
26.7%
GTT Communications Inc. BE
82.111.0.0/16 65.5K
2.1%
GTT Communications Inc. GB
87.87.0.0/16 65.5K
0.0%
GTT Communications Inc. US Virginia Norfolk
134.222.0.0/16 65.5K
6.7%
GTT Communications Inc. US
154.15.0.0/16 65.5K
14.8%
GTT Communications Inc. CH
195.81.0.0/16 65.5K
8.8%
GTT Communications Inc. US
212.168.0.0/16 65.5K
4.9%
GTT Communications Inc. US
217.207.0.0/16 65.5K
3.0%
GTT Communications Inc. GB England Islington
68.166.0.0/17 32.8K
86.6%
OCULUS NETWORKS INC US
69.3.0.0/17 32.8K
83.0%
OCULUS NETWORKS INC US
81.188.0.0/17 32.8K
0.0%
GTT Communications Inc. BE
85.189.128.0/17 32.8K
85.9%
GTT Communications Inc. GB England Worcester Park
86.53.0.0/17 32.8K
20.1%
GTT Communications Inc. GB England London
87.85.0.0/17 32.8K
0.9%
GTT Communications Inc. GB England London
87.86.128.0/17 32.8K
1.5%
GTT Communications Inc. GB England Brighton
87.87.128.0/17 32.8K
0.0%
GTT Communications Inc. US
89.202.128.0/17 32.8K
4.4%
GTT Communications Inc. US
154.14.0.0/17 32.8K
13.0%
GTT Communications Inc. CH
154.15.0.0/17 32.8K
0.0%
GTT Communications Inc. US
205.179.0.0/17 32.8K
87.4%
GTT Communications Inc. US
212.168.0.0/17 32.8K
2.7%
GTT Communications Inc. US
212.189.0.0/17 32.8K
0.2%
GTT Communications Inc. US California Los Angeles
212.221.0.0/17 32.8K
16.1%
GTT Communications Inc. US
212.222.128.0/17 32.8K
6.3%
GTT Communications Inc. US
213.39.0.0/17 32.8K
17.9%
GTT Communications Inc. US Île-de-France Paris
217.206.0.0/17 32.8K
14.0%
GTT Communications Inc. GB England Birmingham
62.50.0.0/18 16.4K
87.9%
GTT Communications Inc. US South Holland Rotterdam
63.133.128.0/18 16.4K
0.0%
GTT Communications Inc. US
64.51.64.0/18 16.4K
86.2%
GTT Communications Inc. US
64.51.128.0/18 16.4K
86.9%
GTT Communications Inc. US
64.205.64.0/18 16.4K
0.0%
GTT Communications Inc. US
65.86.64.0/18 16.4K
80.2%
GTT Communications Inc. US
66.226.192.0/18 16.4K
90.8%
GTT Communications Inc. US
68.165.0.0/18 16.4K
82.9%
OCULUS NETWORKS INC US
68.166.192.0/18 16.4K
95.4%
OCULUS NETWORKS INC US Georgia Atlanta
72.245.192.0/18 16.4K
0.0%
GTT Communications Inc. US District of Columbia Washington
77.67.0.0/18 16.4K
3.6%
GTT Communications Inc. US
81.188.192.0/18 16.4K
0.0%
GTT Communications Inc. BE
82.109.192.0/18 16.4K
2.5%
GTT Communications Inc. GB
83.148.128.0/18 16.4K
85.6%
GTT Communications Inc. GB
85.189.64.0/18 16.4K
81.7%
GTT Communications Inc. GB England Nottingham
86.53.64.0/18 16.4K
20.4%
GTT Communications Inc. GB England London
86.53.192.0/18 16.4K
13.9%
GTT Communications Inc. GB England Rainham
87.85.0.0/18 16.4K
1.1%
GTT Communications Inc. GB
87.85.128.0/18 16.4K
0.6%
GTT Communications Inc. GB England London
87.86.128.0/18 16.4K
0.7%
GTT Communications Inc. GB England Brighton
87.86.192.0/18 16.4K
2.3%
GTT Communications Inc. GB England Brighton
87.87.192.0/18 16.4K
0.0%
GTT Communications Inc. US
89.149.128.0/18 16.4K
28.1%
GTT Communications Inc. US
89.202.192.0/18 16.4K
0.0%
GTT Communications Inc. US
92.54.128.0/18 16.4K
2.7%
GTT Communications Inc. GB England Bristol
134.222.0.0/18 16.4K
0.0%
GTT Communications Inc. NL
149.235.64.0/18 16.4K
0.0%
GTT Communications Inc. GB
149.235.128.0/18 16.4K
90.7%
GTT Communications Inc. GB
154.14.128.0/18 16.4K
32.7%
GTT Communications Inc. CH
154.15.128.0/18 16.4K
0.0%
GTT Communications Inc. US
194.150.0.0/18 16.4K
2.8%
GTT Communications Inc. US New York New York
194.195.128.0/18 16.4K
0.0%
GTT Communications Inc. DE
195.149.128.0/18 16.4K
5.0%
GTT Communications Inc. US
195.177.0.0/18 16.4K
1.6%
GTT Communications Inc. DE
195.180.64.0/18 16.4K
0.3%
GTT Communications Inc. DE
206.108.128.0/18 16.4K
82.3%
GTT Communications Inc. CA Ontario Whitby
212.81.64.0/18 16.4K
1.0%
GTT Communications Inc. US
212.115.128.0/18 16.4K
13.4%
GTT Communications Inc. US
212.168.128.0/18 16.4K
14.1%
GTT Communications Inc. US
212.221.64.0/18 16.4K
19.2%
GTT Communications Inc. US
212.222.64.0/18 16.4K
24.6%
GTT Communications Inc. US
212.222.192.0/18 16.4K
0.6%
GTT Communications Inc. US
213.193.128.0/18 16.4K
23.6%
GTT Communications Inc. BE
213.200.64.0/18 16.4K
13.8%
GTT Communications Inc. US
213.235.0.0/18 16.4K
4.9%
GTT Communications Inc. GB England Bridgend
213.251.0.0/18 16.4K
13.0%
GTT Communications Inc. US
213.254.192.0/18 16.4K
20.5%
GTT Communications Inc. US
216.36.64.0/18 16.4K
74.4%
GTT Communications Inc. US California Los Angeles
216.138.64.0/18 16.4K
74.7%
GTT Communications Inc. US
216.175.128.0/18 16.4K
5.8%
OCULUS NETWORKS INC US
217.206.128.0/18 16.4K
2.8%
GTT Communications Inc. GB England West Bromwich
38.72.160.0/19 8.2K
0.0%
GTT Communications Inc. US Texas Greenville
46.33.64.0/19 8.2K
37.5%
GTT Communications Inc. US
46.34.0.0/19 8.2K
2.3%
GTT Communications Inc. GB
62.50.32.0/19 8.2K
0.0%
GTT Communications Inc. DE
62.50.64.0/19 8.2K
94.9%
GTT Communications Inc. US
62.105.224.0/19 8.2K
94.0%
GTT Communications Inc. US
63.133.128.0/19 8.2K
86.8%
IPNetZone US
63.250.96.0/19 8.2K
90.6%
GTT Communications Inc. CA
64.51.32.0/19 8.2K
0.0%
GTT Communications Inc. US New York New York
64.51.192.0/19 8.2K
89.3%
GTT Communications Inc. US
64.105.32.0/19 8.2K
74.0%
GTT Communications Inc. US
64.144.160.0/19 8.2K
92.1%
GTT Communications Inc. US
64.205.0.0/19 8.2K
0.0%
GTT Communications Inc. US
65.86.0.0/19 8.2K
71.1%
GTT Communications Inc. US
65.86.64.0/19 8.2K
67.2%
GTT Communications Inc. US
65.86.96.0/19 8.2K
93.2%
GTT Communications Inc. US
66.54.224.0/19 8.2K
2.8%
GTT Communications Inc. US California Santa Clara
66.167.224.0/19 8.2K
80.1%
GTT Communications Inc. US
67.102.128.0/19 8.2K
91.9%
GTT Communications Inc. US
67.220.128.0/19 8.2K
10.8%
GTT Communications Inc. US

BGP 公告前缀

实时 BGP 异常 →

前缀 AS3257 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
192.101.145.0/24 135,642 2026-07-24 20:28:26
23.252.77.0/24 35,619 2026-07-24 22:54:10
23.252.78.0/24 34,973 2026-07-24 22:54:10
128.177.95.0/24 19,048 2026-07-24 22:11:32
135.196.56.0/21 18,325 2026-07-24 22:11:33
86.53.28.0/24 18,233 2026-07-13 06:46:15
173.205.34.0/24 18,156 2026-07-24 22:11:32
173.205.21.0/24 18,153 2026-07-24 22:11:32
154.206.248.0/21 16,870 2026-07-24 22:11:33
154.206.240.0/21 16,869 2026-07-24 22:11:33
85.189.6.0/24 15,947 2026-07-13 06:46:15
64.81.126.0/24 15,252 2026-07-24 20:28:26
195.160.193.0/24 14,467 2026-07-24 23:32:22
69.174.90.0/24 14,461 2026-07-24 20:27:57
38.72.160.0/19 14,278 2026-07-24 20:27:57
93.187.169.0/24 13,851 2026-07-24 20:28:28
66.80.133.0/24 13,710 2026-07-24 22:56:06
52.119.96.0/24 13,570 2026-07-24 20:27:57
45.199.149.0/24 12,616 2026-07-24 20:27:57
198.144.127.0/24 12,398 2026-07-24 22:11:34
198.144.123.0/24 12,358 2026-07-24 22:11:34
198.144.122.0/24 12,344 2026-07-24 22:11:34
212.135.20.0/24 12,326 2026-07-24 23:35:28
70.39.170.0/24 12,025 2026-07-24 22:56:10
66.227.119.0/24 12,022 2026-07-24 22:56:10
66.134.92.0/23 12,017 2026-07-24 22:56:06
70.39.255.0/24 12,017 2026-07-24 22:56:10
66.134.88.0/23 12,015 2026-07-24 22:56:06
70.39.254.0/24 12,015 2026-07-24 22:56:10
70.39.191.0/24 12,009 2026-07-24 22:56:10
70.39.156.0/24 12,009 2026-07-24 22:56:10
68.64.133.0/24 12,006 2026-07-24 22:56:10
70.39.242.0/24 12,005 2026-07-24 22:56:10
70.39.154.0/24 12,001 2026-07-24 22:56:10
66.134.66.0/23 11,997 2026-07-24 22:56:06
66.167.202.0/23 11,987 2026-07-24 22:56:06
66.167.6.0/23 11,982 2026-07-24 22:56:06
66.167.80.0/23 11,981 2026-07-24 22:56:06
66.253.0.0/24 11,949 2026-07-24 22:56:10
66.253.1.0/24 11,949 2026-07-24 22:56:10
69.17.66.0/24 11,927 2026-07-24 22:56:10
66.80.172.0/22 11,923 2026-07-24 22:56:06
69.17.65.0/24 11,922 2026-07-24 22:56:10
72.13.224.0/24 11,879 2026-07-24 22:56:10
72.13.246.0/24 11,877 2026-07-24 22:56:10
68.166.160.0/24 11,869 2026-07-24 20:27:57
72.13.234.0/24 11,864 2026-07-24 22:56:10
45.190.64.0/22 11,475 2026-07-24 20:27:57
45.86.16.0/22 11,425 2026-07-24 20:27:57
23.184.144.0/24 11,420 2026-07-24 20:27:57

显示前 50 of 1,461 按样本量公告的前缀。

Frequently Asked Questions

什么是 AS3257?

AS3257 是分配给 GTT Communications Inc. 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。

AS3257 公告了多少个 IP 地址?

AS3257 公告了 4.94M 个 IPv4 地址,分布在 4,413 个路由 CIDR 前缀中。 该网络在 United States 注册。

谁运营 AS3257?

AS3257 由 GTT Communications Inc. 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。

AS3257 在哪个国家注册?

AS3257 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 23:40:31 UTC
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