AS174
Cogent Communications, LLC ISP registered in United States
2,420IPv4 prefixes
65IPv6 prefixes
21%RPKI-valid
#4AS Rank
327/327RIS visibility
#10Rank in United States
1996-05-16Allocated
Cogent Communications, LLC (AS174) — ISP, registered in United States. announces 2,420 IPv4 prefixes + 65 IPv6 prefixes. Rank in United States: #10. Allocated: 1996-05-16.
IPv4 2,420IPv6 65
Announced prefixes · 2,485
- v4 185.86.166.0/24 valid
- v4 185.86.167.0/24 valid
- v4 185.87.123.0/24 valid
- v4 188.214.35.0/24 valid
- v4 188.220.184.0/22 valid
- v4 188.220.188.0/22 valid
- v4 188.220.244.0/22 valid
- v4 188.220.249.0/24 valid
- v4 188.220.252.0/22 valid
- v4 188.221.24.0/22 valid
- v4 188.221.4.0/22 valid
- v4 188.221.48.0/22 valid
- v4 188.221.56.0/22 valid
- v4 188.255.242.0/24 valid
- v4 191.101.157.0/24 valid
- v4 191.101.217.0/24 valid
- v4 191.101.31.0/24 valid
- v4 191.101.61.0/24 valid
- v4 191.102.150.0/24 valid
- v4 191.102.32.0/24 unknown
- v4 191.102.33.0/24 unknown
- v4 191.96.106.0/24 valid
- v4 191.96.150.0/24 valid
- v4 191.96.168.0/24 valid
- v4 191.96.227.0/24 valid
- v4 191.96.255.0/24 valid
- v4 191.96.36.0/24 valid
- v4 192.124.118.0/24 unknown
- v4 192.146.171.0/24 unknown
- v4 192.149.248.0/22 unknown
- v4 192.152.97.0/24 valid
- v4 192.160.216.0/21 unknown
- v4 192.166.139.0/24 valid
- v4 192.189.234.0/24 unknown
- v4 192.189.90.0/24 unknown
- v4 192.246.0.0/16 unknown
- v4 192.253.201.0/24 unknown
- v4 192.26.51.0/24 valid
- v4 192.58.198.0/24 unknown
- v4 192.64.241.0/24 unknown
- v4 192.64.247.0/24 unknown
- v4 192.64.248.0/24 unknown
- v4 192.68.180.0/24 unknown
- v4 192.70.184.0/24 unknown
- v4 192.70.249.0/24 unknown
- v4 192.73.53.0/24 unknown
- v4 192.75.174.0/24 unknown
- v4 192.77.171.0/24 unknown
- v4 192.77.224.0/21 unknown
- v4 192.80.200.0/22 unknown
RPKI: rpki.cloudflare.com · 2026-06-21
Routing: 4,162 IPv4 · 514 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-21
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 2435 |
| 2026-06-13 | 2435 |
| 2026-06-14 | 2435 |
| 2026-06-16 | 2426 |
| 2026-06-17 | 2492 |
| 2026-06-19 | 2500 |
| 2026-06-20 | 2484 |
| 2026-06-21 | 2485 |
Facilities · 818
- 1-Net East Singapore
- 1025Connect Westbury
- 123.NET - DC1 - 24700 Northwestern Hwy. Southfield
- 1500 Champa Denver
- 1530 SWIFT - NOCIX North Kansas City
- 2Connect DC10 Budapest
- 365 Data Centers Chicago (CH6) Chicago
- 365 Data Centers Detroit (DT1) Southfield
- 365 Data Centers New York (NY10) New York
- 365 Data Centers Philadelphia (PH2) Philadelphia
- 4 Data Center Katowice
- 43915 Devin Shafron Ashburn
- 75 Broad Street New York
- AINET - Beltsville Beltsville
- ANS - MAN4 Manchester
- ANS - MAN5 Manchester
- ANS - MAN6 Manchester
- AT TOKYO (CC1/CC2) Tokyo
- ATMAN Data Center Warsaw-2 (WAW-2, Konstruktorska 5) Warsaw
- Adam - MAD Alcalá de Henares
- Africa Data Centres, Johannesburg JHB1, South Africa Midrand
- AiNET MD-300L Baltimore
- AiNET WDC11 Laurel
- Aligned Dallas (DFW-01) Plano
- Aligned Phoenix (PHX-01) Phoenix
+793
AS topology · Customer cone 40,552
Peers · 93
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