Network
Cogent Communications, LLC
AS174registered in United States (US)hosts in 50 countries
As of 2026-10-05, Cogent Communications, LLC (AS174, registered in United States) had 409 666 hosts seen in 50 countries; 19 396 of them with known CVEs (1 459 distinct, 10 known to be exploited). It announces 2 313 IPv4 prefixes and 62 IPv6 prefixes (36 243 968 IPv4 addresses, 12th by address space).
Known CVEs in this network
CVEs by severity: CRITICAL 182 HIGH 559 MEDIUM 648 LOW 65 UNRATED 5
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: 315 hosts with CVEs only from an older observation (software reported earlier, no service of that kind open now).
Counted 2026-10-05 09:21 UTC
- Organisation
- Cogent Communications, Inc.
- Network type
- Network service provider (transit) · peering policy No
- Website
- http://www.cogentco.com/
- Registry
- ARIN · United States US · allocated 1996-05-16
- Announced prefixes
- 2 313 IPv4 · 62 IPv6 See them
- IPv4 address space
- 36 243 968 addresses · 12th of 87 237 networks by size
- Rank by exposure
- 24th by hosts with known CVEs Ranking
Routing
Most common CVEs in this network
| CVE | Hosts |
|---|---|
| CVE-2025-26465 MEDIUM 6.8 | 16 985 |
| CVE-2026-35385 HIGH 8.1 | 16 983 |
| CVE-2026-35386 HIGH 8.1 | 16 983 |
| CVE-2026-35414 HIGH 8.1 | 16 983 |
| CVE-2026-35387 MEDIUM 6.5 | 16 983 |
| CVE-2026-35388 LOW 2.5 | 16 983 |
| CVE-2025-32728 LOW 3.8 | 16 918 |
| CVE-2023-51385 MEDIUM 6.5 | 14 402 |
| CVE-2023-48795 MEDIUM 5.9 | 14 402 |
| CVE-2023-38408 CRITICAL 9.8 | 14 393 |
| CVE-2024-6387 HIGH 8.1 | 11 839 |
| CVE-2023-51384 MEDIUM 5.5 | 8 936 |
| CVE-2023-28531 CRITICAL 9.8 | 8 880 |
| CVE-2021-36368 LOW 3.7 | 5 466 |
| CVE-2016-20012 MEDIUM 5.3 | 5 461 |
| CVE-2021-41617 HIGH 7.0 | 5 326 |
| CVE-2020-14145 MEDIUM 5.9 | 4 941 |
| CVE-2026-60002 HIGH 7.7 | 3 800 |
| CVE-2026-60000 HIGH 7.5 | 3 800 |
| CVE-2026-59998 MEDIUM 6.5 | 3 800 |
| CVE-2026-60001 MEDIUM 6.5 | 3 800 |
| CVE-2026-59999 MEDIUM 5.9 | 3 800 |
| CVE-2026-59995 MEDIUM 5.4 | 3 800 |
| CVE-2026-59996 MEDIUM 5.4 | 3 800 |
| CVE-2026-59997 MEDIUM 5.4 | 3 800 |
| CVE-2026-73282 MEDIUM 4.8 | 3 800 |
| CVE-2026-73281 LOW 3.5 | 3 800 |
| CVE-2026-73283 LOW 2.5 | 3 800 |
| CVE-2025-61984 LOW 3.6 | 3 799 |
| CVE-2025-61985 LOW 3.6 | 3 799 |
| CVE-2020-15778 HIGH 7.4 | 3 678 |
| CVE-2025-26466 MEDIUM 5.9 | 2 712 |
| CVE-2021-28041 HIGH 7.1 | 2 485 |
| CVE-2019-6109 MEDIUM 6.8 | 2 388 |
| CVE-2019-6110 MEDIUM 6.8 | 2 388 |
| CVE-2019-6111 MEDIUM 5.9 | 2 388 |
| CVE-2018-20685 MEDIUM 5.3 | 2 388 |
| CVE-2018-15473 MEDIUM 5.3 | 2 180 |
| CVE-2018-15919 MEDIUM 5.3 | 2 093 |
| CVE-2017-15906 MEDIUM 5.3 | 2 081 |
| CVE-2026-49975 HIGH 7.5 | 1 563 |
| CVE-2025-58098 HIGH 8.3 | 1 381 |
| CVE-2025-49812 HIGH 7.4 | 1 375 |
| CVE-2024-40898 HIGH 7.5 | 1 345 |
| CVE-2025-59775 HIGH 7.5 | 1 344 |
| CVE-2025-65082 MEDIUM 6.5 | 1 344 |
| CVE-2023-38709 HIGH 7.3 | 1 340 |
| CVE-2024-42516 HIGH 7.5 | 1 338 |
| CVE-2024-43204 HIGH 7.5 | 1 338 |
| CVE-2024-43394 HIGH 7.5 | 1 338 |
The 50 found on the most hosts, of 1 459 CVEs.
Most exposed hosts
Known exploited first, then by the number of CVEs.
Showing the first 100 of 19 396. Complete lists will be available to registered users.
Where its hosts are
| Country | Hosts | With CVEs |
|---|---|---|
| United States US | 305 056 | 15 594 |
| Netherlands NL | 13 828 | 944 |
| United Kingdom GB | 14 392 | 797 |
| France FR | 17 441 | 371 |
| Ireland IE | 1 253 | 369 |
| Cyprus CY | 735 | 325 |
| Canada CA | 9 822 | 256 |
| Singapore SG | 151 | 125 |
| Spain ES | 10 407 | 111 |
| Czechia CZ | 1 017 | 108 |
| Germany DE | 15 502 | 93 |
| Belgium BE | 1 652 | 66 |
| Lithuania LT | 431 | 53 |
| Ecuador EC | 87 | 52 |
| Venezuela VE | 578 | 41 |
| Luxembourg LU | 383 | 35 |
| Ukraine UA | 385 | 11 |
| Slovenia SI | 107 | 8 |
| Greece GR | 250 | 7 |
| Poland PL | 3 068 | 6 |
| Mexico MX | 2 315 | 5 |
| Italy IT | 1 884 | 5 |
| Sweden SE | 4 474 | 3 |
| Switzerland CH | 828 | 3 |
| Romania RO | 591 | 2 |
| Austria AT | 165 | 2 |
| Croatia HR | 128 | 2 |
| Bulgaria BG | 233 | 1 |
| Brazil BR | 92 | 1 |
| Hong Kong HK | 533 | 0 |