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Organization

GTT Communications Inc.

IPv4 addresses
4,848,384
CIDR ranges
4,393
Category
isp
BGP prefixes announced
1,456

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.

70/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Isp allocation +5
  • Trust score 70 / 100

Experimental · trust-vectors model v1.1.0 — 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

Operates 2 networks present at 2 internet exchanges with a selective peering policy.

GTT Communications Inc. — global IP footprint

Cities where GTT Communications Inc. has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

Countries served by GTT Communications Inc.

Every country where this organization has IPv4 allocations, ranked by IPs held.

ASNs owned by GTT Communications Inc.

ASNNameIPsPrefixesCountry
AS3257 GTT Communications Inc. 4.92M 4,325 US
AS8928 GTT Communications Inc. 2.0K 1 US
AS3291 GTT Communications Inc. 256 1 US

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
217.204.0.0/15 131.1K
44.2%
AS3257 GB England High Wycombe
67.100.0.0/16 65.5K
88.0%
AS3257 US Florida Miami
81.188.0.0/16 65.5K
26.7%
AS3257 BE
82.111.0.0/16 65.5K
2.1%
AS3257 GB
87.87.0.0/16 65.5K
0.0%
AS3257 US Virginia Norfolk
134.222.0.0/16 65.5K
6.7%
AS3257 US
154.15.0.0/16 65.5K
14.8%
AS3257 CH
195.81.0.0/16 65.5K
8.8%
AS3257 US
212.168.0.0/16 65.5K
4.9%
AS3257 US
217.207.0.0/16 65.5K
3.0%
AS3257 GB England Islington
85.189.128.0/17 32.8K
85.9%
AS3257 GB England Worcester Park
86.53.0.0/17 32.8K
20.1%
AS3257 GB England London
87.85.0.0/17 32.8K
0.9%
AS3257 GB England London
87.86.128.0/17 32.8K
1.5%
AS3257 GB England Brighton
87.87.128.0/17 32.8K
0.0%
AS3257 US
89.202.128.0/17 32.8K
4.4%
AS3257 US
154.14.0.0/17 32.8K
13.0%
AS3257 CH
205.179.0.0/17 32.8K
87.4%
AS3257 US
212.168.0.0/17 32.8K
2.7%
AS3257 US
212.189.0.0/17 32.8K
0.2%
AS3257 US California Los Angeles
212.221.0.0/17 32.8K
16.1%
AS3257 US
212.222.128.0/17 32.8K
6.3%
AS3257 US
213.39.0.0/17 32.8K
17.9%
AS3257 US Île-de-France Paris
217.206.0.0/17 32.8K
14.0%
AS3257 GB England Birmingham
62.50.0.0/18 16.4K
87.9%
AS3257 US South Holland Rotterdam
64.51.64.0/18 16.4K
86.2%
AS3257 US
64.51.128.0/18 16.4K
86.9%
AS3257 US
64.205.64.0/18 16.4K
0.0%
AS3257 US
65.86.64.0/18 16.4K
80.2%
AS3257 US
66.226.192.0/18 16.4K
90.8%
AS3257 US
72.245.192.0/18 16.4K
0.0%
AS3257 US District of Columbia Washington
77.67.0.0/18 16.4K
3.6%
AS3257 US
82.109.192.0/18 16.4K
2.5%
AS3257 GB
83.148.128.0/18 16.4K
85.6%
AS3257 GB
85.189.64.0/18 16.4K
81.7%
AS3257 GB England Nottingham
86.53.64.0/18 16.4K
20.4%
AS3257 GB England London
86.53.192.0/18 16.4K
13.9%
AS3257 GB England Rainham
87.85.0.0/18 16.4K
1.1%
AS3257 GB
87.85.128.0/18 16.4K
0.6%
AS3257 GB England London
87.86.128.0/18 16.4K
0.7%
AS3257 GB England Brighton
87.86.192.0/18 16.4K
2.3%
AS3257 GB England Brighton
87.87.192.0/18 16.4K
0.0%
AS3257 US
89.149.128.0/18 16.4K
28.1%
AS3257 US
89.202.192.0/18 16.4K
0.0%
AS3257 US
92.54.128.0/18 16.4K
2.7%
AS3257 GB England Bristol
149.235.64.0/18 16.4K
0.0%
AS3257 GB
149.235.128.0/18 16.4K
90.7%
AS3257 GB
154.14.128.0/18 16.4K
32.7%
AS3257 CH
194.150.0.0/18 16.4K
2.8%
AS3257 US New York New York
194.195.128.0/18 16.4K
0.0%
AS3257 DE
195.149.128.0/18 16.4K
5.0%
AS3257 US
195.177.0.0/18 16.4K
1.6%
AS3257 DE
195.180.64.0/18 16.4K
0.3%
AS3257 DE
206.108.128.0/18 16.4K
82.3%
AS3257 CA Ontario Whitby
212.81.64.0/18 16.4K
1.0%
AS3257 US
212.115.128.0/18 16.4K
13.4%
AS3257 US
212.168.128.0/18 16.4K
14.1%
AS3257 US
212.221.64.0/18 16.4K
19.2%
AS3257 US
212.222.64.0/18 16.4K
24.6%
AS3257 US
212.222.192.0/18 16.4K
0.6%
AS3257 US
213.193.128.0/18 16.4K
23.6%
AS3257 BE
213.200.64.0/18 16.4K
13.8%
AS3257 US
213.235.0.0/18 16.4K
4.9%
AS3257 GB England Bedford
213.251.0.0/18 16.4K
13.0%
AS3257 US
213.254.192.0/18 16.4K
20.5%
AS3257 US
216.36.64.0/18 16.4K
74.4%
AS3257 US California Los Angeles
216.138.64.0/18 16.4K
74.7%
AS3257 US
217.206.128.0/18 16.4K
2.8%
AS3257 GB England West Bromwich
38.72.160.0/19 8.2K
0.0%
AS3257 US Texas Greenville
46.33.64.0/19 8.2K
37.5%
AS3257 US
46.34.0.0/19 8.2K
2.3%
AS3257 GB
62.50.64.0/19 8.2K
94.9%
AS3257 US
62.105.224.0/19 8.2K
94.0%
AS3257 US
63.250.96.0/19 8.2K
90.6%
AS3257 CA
64.51.32.0/19 8.2K
0.0%
AS3257 US New York New York
64.51.192.0/19 8.2K
89.3%
AS3257 US
64.105.32.0/19 8.2K
74.0%
AS3257 US
64.144.160.0/19 8.2K
92.1%
AS3257 US
64.205.0.0/19 8.2K
0.0%
AS3257 US
65.86.0.0/19 8.2K
71.1%
AS3257 US
65.86.64.0/19 8.2K
67.2%
AS3257 US
65.86.96.0/19 8.2K
93.2%
AS3257 US
66.54.224.0/19 8.2K
2.8%
AS3257 US California Santa Clara
66.167.224.0/19 8.2K
80.1%
AS3257 US
67.102.128.0/19 8.2K
91.9%
AS3257 US
67.220.128.0/19 8.2K
10.8%
AS3257 US
68.164.64.0/19 8.2K
0.0%
AS3257 US
68.164.160.0/19 8.2K
5.0%
AS3257 US
68.166.128.0/19 8.2K
0.0%
AS3257 US
68.166.224.0/19 8.2K
95.3%
AS3257 US California Glendale
69.167.64.0/19 8.2K
3.8%
AS3257 US Florida Fernandina Beach
72.29.192.0/19 8.2K
60.2%
AS3257 US Pennsylvania Ringtown
74.199.128.0/19 8.2K
5.7%
AS3257 US Indiana Indpls
74.199.224.0/19 8.2K
0.4%
AS3257 US Texas Dallas
76.74.0.0/19 8.2K
9.2%
AS3257 US Florida Vero Beach
77.67.0.0/19 8.2K
3.7%
AS3257 US
77.67.64.0/19 8.2K
35.7%
AS3257 US
78.152.32.0/19 8.2K
12.9%
AS3257 NL
78.154.96.0/19 8.2K
4.1%
AS3257 GB England Liverpool
80.174.64.0/19 8.2K
0.0%
AS3257 ES

Frequently Asked Questions

How many IP addresses does GTT Communications Inc. own?

GTT Communications Inc. controls 4.85M IPv4 addresses distributed across 4,393 CIDR ranges. The organization is registered in United States.

What ASNs does GTT Communications Inc. operate?

GTT Communications Inc. operates 3 Autonomous Systems. Each ASN represents an independently routed network that GTT Communications Inc. manages for internet traffic delivery.

What countries does GTT Communications Inc. serve?

GTT Communications Inc. has IP address allocations in 50 countries, indicating a multinational network presence for delivering services across these regions.

What type of organization is GTT Communications Inc.?

GTT Communications Inc. is categorized as isp. This classification is based on the organization's primary use of its IP address allocations.

Last updated: 2026-07-19 14:40:31 UTC
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