Network
GTT Communications Inc.
AS3257registered in United States (US)hosts in 42 countries
As of 2026-10-11, GTT Communications Inc. (AS3257, registered in United States) had 95 052 hosts seen in 42 countries; 8 284 of them with known CVEs (1 584 distinct, 8 known to be exploited). It announces 1 746 IPv4 prefixes and 55 IPv6 prefixes (8 532 224 IPv4 addresses, 52nd by address space).
Known CVEs in this network
CVEs by severity: CRITICAL 202 HIGH 523 MEDIUM 785 LOW 73 UNRATED 1
A match is an indication, not proof: it is based on the software version a service reported, and fixes are often backported without changing the version.
Not counted: 789 hosts with CVEs only on distribution builds whose fix may be backported.
Counted 2026-10-11 04:20 UTC
- Organisation
- GTT Communications, Inc.
- Network type
- Network service provider (transit) · peering policy Restrictive
- Website
- http://www.gtt.net
- Registry
- RIPE NCC · United States US · allocated 1994-09-30
- Announced prefixes
- 1 746 IPv4 · 55 IPv6 See them
- IPv4 address space
- 8 532 224 addresses · 52nd of 87 277 networks by size
- Rank by exposure
- 69th by hosts with known CVEs Ranking
- Exchange points
- 2
Routing
Most common CVEs in this network
| CVE | Hosts |
|---|---|
| CVE-2026-106585 MEDIUM 6.5 | 7 828 |
| CVE-2026-106552 MEDIUM 4.2 | 7 828 |
| CVE-2026-106582 LOW 3.7 | 7 828 |
| CVE-2026-106587 LOW 3.3 | 7 828 |
| CVE-2026-106583 LOW 2.5 | 7 828 |
| CVE-2026-106584 LOW 2.5 | 7 828 |
| CVE-2026-106586 LOW 2.5 | 7 828 |
| CVE-2026-106553 LOW 2.2 | 7 828 |
| CVE-2026-106555 LOW 2.2 | 7 828 |
| CVE-2026-106588 LOW 3.1 | 6 669 |
| CVE-2026-106589 LOW 2.9 | 6 669 |
| CVE-2026-73282 MEDIUM 4.8 | 4 949 |
| CVE-2026-73281 LOW 3.5 | 4 949 |
| CVE-2026-73283 LOW 2.5 | 4 949 |
| CVE-2026-60002 HIGH 7.7 | 4 584 |
| CVE-2026-60000 HIGH 7.5 | 4 584 |
| CVE-2026-59998 MEDIUM 6.5 | 4 584 |
| CVE-2026-60001 MEDIUM 6.5 | 4 584 |
| CVE-2026-59999 MEDIUM 5.9 | 4 584 |
| CVE-2026-59995 MEDIUM 5.4 | 4 584 |
| CVE-2026-59996 MEDIUM 5.4 | 4 584 |
| CVE-2026-59997 MEDIUM 5.4 | 4 584 |
| CVE-2026-35385 HIGH 8.1 | 3 289 |
| CVE-2026-35414 HIGH 8.1 | 3 289 |
| CVE-2026-35387 MEDIUM 6.5 | 3 289 |
| CVE-2026-35388 LOW 2.5 | 3 289 |
| CVE-2025-61984 LOW 3.6 | 3 193 |
| CVE-2025-61985 LOW 3.6 | 3 193 |
| CVE-2025-32728 LOW 3.8 | 3 027 |
| CVE-2025-26465 MEDIUM 6.8 | 2 991 |
| CVE-2023-48795 MEDIUM 5.9 | 705 |
| CVE-2023-51385 MEDIUM 6.5 | 701 |
| CVE-2023-38408 CRITICAL 9.8 | 699 |
| CVE-2021-41617 HIGH 7.0 | 475 |
| CVE-2016-20012 MEDIUM 5.3 | 462 |
| CVE-2021-36368 LOW 3.7 | 462 |
| CVE-2024-6387 HIGH 8.1 | 401 |
| CVE-2023-51384 MEDIUM 5.5 | 212 |
| CVE-2023-28531 CRITICAL 9.8 | 208 |
| CVE-2021-28041 HIGH 7.1 | 187 |
| CVE-2022-4900 MEDIUM 5.5 | 187 |
| CVE-2017-8923 CRITICAL 9.8 | 186 |
| CVE-2022-31629 MEDIUM 6.5 | 186 |
| CVE-2022-31628 MEDIUM 5.5 | 186 |
| CVE-2020-15778 HIGH 7.4 | 178 |
| CVE-2019-6109 MEDIUM 6.8 | 176 |
| CVE-2019-6111 MEDIUM 5.9 | 176 |
| CVE-2019-6110 MEDIUM 6.8 | 175 |
| CVE-2018-20685 MEDIUM 5.3 | 175 |
| CVE-2022-37454 CRITICAL 9.8 | 172 |
The 50 found on the most hosts, of 1 584 CVEs.
Most exposed hosts
Known exploited first, then by the number of CVEs.
Showing the first 100 of 8 284. Complete lists will be available to registered users.
Where its hosts are
| Country | Hosts | With CVEs |
|---|---|---|
| United Kingdom GB | 30 286 | 3 186 |
| United States US | 31 426 | 3 095 |
| Germany DE | 6 905 | 672 |
| Spain ES | 9 171 | 475 |
| Poland PL | 3 110 | 396 |
| Canada CA | 849 | 193 |
| Hong Kong HK | 86 | 61 |
| Italy IT | 910 | 60 |
| France FR | 3 489 | 34 |
| China CN | 64 | 30 |
| Israel IL | 1 260 | 24 |
| Netherlands NL | 1 907 | 19 |
| Switzerland CH | 2 208 | 18 |
| Sweden SE | 879 | 12 |
| Belgium BE | 911 | 5 |
| Denmark DK | 178 | 1 |
| Bulgaria BG | 138 | 1 |
| Romania RO | 64 | 1 |
| Paraguay PY | 8 | 1 |
| Czechia CZ | 198 | 0 |
| Ireland IE | 180 | 0 |
| Austria AT | 169 | 0 |
| Portugal PT | 154 | 0 |
| Hungary HU | 111 | 0 |
| Luxembourg LU | 73 | 0 |
| Norway NO | 64 | 0 |
| Finland FI | 56 | 0 |
| Greece GR | 51 | 0 |
| Lithuania LT | 39 | 0 |
| Slovakia SK | 33 | 0 |