AS174 Cogent Communications, LLC 🇺🇸 US
Announcing 4,364 prefixes, seen at the RIS collectors.
IPv4 prefixes
3,833
37,673,216 (147,161 × /24)
IPv6 prefixes
531
58 × /32
Upstreams
89
transit providers observed
Peers
23
settlement-free adjacencies
Downstreams
6,445
transit customers observed
Customer cone
67,198
ASes reachable through it
Registry and operator data
- AS number
- AS174
- Name
- Cogent Communications, LLC
- Organisation
- Cogent Communications, Inc.
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 1996-05-16
- Network type
- NSP
- Traffic levels
- 100+Tbps
- Scope
- Global
- Peering policy
- No
- Website
- http://www.cogentco.com/
- Looking glass
- http://www.cogentco.com/en/network/looking-glass
- PeeringDB
- net/267
- Facilities
- 816
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
531 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 2001:978:1401::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:1402::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:1404::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:1405::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:1b01::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:1b03::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:1b06::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:1b07::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:1b0a::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:1c01::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:1e01::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:2101::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:2102::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:2201::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:2202::/64 v6 | no ROA | 4 | 20205174 | 2026-09-18 |
| 2001:978:2203::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:2204::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:2205::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:2206::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:2207::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:2300:201::/64 v6 | no ROA | 4 | 20205174 | 2026-09-18 |
| 2001:978:2301::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:2307::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:230b::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:2700::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:2800::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:2a00::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:2a02::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:2a05::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:2c02::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:3000::/64 v6 | no ROA | 4 | 20205174 | 2026-09-18 |
| 2001:978:3401::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:3402::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:3500::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:3501::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:3901::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:3c02::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:3c04::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:3c0b::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:4000::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:4200::/56 v6 | no ROA | 4 | 20205174 | 2026-09-18 |
| 2001:978:4202::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:4203::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:4600::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:4f02::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:4f03::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:4f05::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:4f06::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:5300::/64 v6 | no ROA | 4 | 20205174 | 2026-09-18 |
| 2001:978:5302::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:5700::/48 v6 | no ROA | 9 | 37721174 | 2026-11-05 |
| 2001:978:5a01::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:5d01::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:6402::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:6404::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:6407::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:6408::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:6703::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:6704::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:6705::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:6711::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:6713::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:6714::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:7301::/48 v6 | no ROA | 31 | 34549174 | 2026-09-18 |
| 2001:978:7501::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:7700::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:7701::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:7703::/48 v6 | no ROA | 9 | 37721174 | 2026-10-06 |
| 2001:978:7b01:1::/64 v6 | no ROA | 4 | 20205174 | 2026-09-18 |
| 2001:978:9400::/64 v6 | no ROA | 4 | 20205174 | 2026-09-18 |
| 2001:978:9701::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:a701::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2001:978:ae00::/48 v6 | no ROA | 9 | 37721174 | 2026-09-18 |
| 2401:a420:3:8000::/64 v6 | RPKI invalid | 3 | 20205174 | 2026-09-18 |
| 2402:4480::/33 v6 | RPKI valid | 31 | 34549174 | 2026-09-18 |
| 2402:4480:302::/48 v6 | RPKI invalid | 7 | 58057174 | 2026-09-18 |
| 2402:4480:403::/48 v6 | RPKI invalid | 7 | 58057174 | 2026-09-18 |
| 2402:4480:8000::/33 v6 | RPKI valid | 31 | 34549174 | 2026-09-18 |
| 2403:a800::/32 v6 | no ROA | 31 | 34549174 | 2026-09-18 |
| 2600::/28 v6 | no ROA | 31 | 34549174 | 2026-09-18 |
| 2600::/29 v6 | no ROA | 31 | 34549174 | 2026-09-18 |
| 2600:1:601::/48 v6 | no ROA | 31 | 34549174 | 2026-09-18 |
| 2600:2:da0::/48 v6 | no ROA | 31 | 34549174 | 2026-09-18 |
| 2600:2:da1::/48 v6 | no ROA | 31 | 34549174 | 2026-09-18 |
| 2600:2:da2::/48 v6 | no ROA | 31 | 34549174 | 2026-09-18 |
| 2600:2:da3::/48 v6 | no ROA | 31 | 34549174 | 2026-09-18 |
| 2600:4:201:700::/56 v6 | no ROA | 4 | 20205174 | 2026-09-18 |
| 2602:f7e1::/36 v6 | RPKI valid | 31 | 34549174 | 2026-09-18 |
| 2602:fc39:1::/48 v6 | RPKI valid | 31 | 34549174 | 2026-09-18 |
| 2602:fd2e::/36 v6 | no ROA | 31 | 34549174 | 2026-09-18 |
| 2602:ffb6::/36 v6 | RPKI valid | 20 | 34549174 | 2026-09-18 |
| 2604:7580:8::/48 v6 | RPKI valid | 31 | 34549174 | 2026-09-18 |
| 2605:6900::/32 v6 | no ROA | 31 | 34549174 | 2026-09-18 |
| 2605:a680::/32 v6 | no ROA | 31 | 34549174 | 2026-09-18 |
| 2607:f710:36::/48 v6 | no ROA | 31 | 34549174 | 2026-09-18 |
| 2607:f710:72::/48 v6 | no ROA | 31 | 34549174 | 2026-09-18 |
| 2607:f710:200::/48 v6 | no ROA | 31 | 34549174 | 2026-09-18 |
| 2620:5f:6000::/48 v6 | no ROA | 31 | 34549174 | 2026-09-24 |
| 2620:9c:6000::/48 v6 | no ROA | 31 | 34549174 | 2026-09-18 |
| 2620:17b:4::/48 v6 | no ROA | 31 | 34549174 | 2026-09-18 |
| 2804:5330::/32 v6 | no ROA | 31 | 34549174 | 2026-09-18 |
| 2804:5330:506::/48 v6 | no ROA | 31 | 34549174 | 2026-09-18 |
| 2804:5330:50b::/48 v6 | no ROA | 31 | 34549174 | 2026-09-18 |
| 2804:5330:607::/48 v6 | no ROA | 31 | 34549174 | 2026-09-18 |
| 2804:5330:608::/48 v6 | no ROA | 22 | 34549174 | 2026-09-18 |
| 2804:5330:701::/48 v6 | no ROA | 26 | 34549174 | 2026-09-18 |
| 2a01:4ce0:50::/48 v6 | RPKI valid | 31 | 34549174 | 2026-09-18 |
| 2a02:bf8::/32 v6 | no ROA | 31 | 34549174 | 2026-09-18 |
| 2a02:bf8:0:dead::/64 v6 | no ROA | 4 | 20205174 | 2026-09-18 |
| 2a03:f80:420::/48 v6 | RPKI valid | 31 | 34549174 | 2026-09-18 |
| 2a05:7640:2040::/42 v6 | no ROA | 31 | 34549174 | 2026-09-18 |
| 2a05:7640:2090::/44 v6 | no ROA | 31 | 34549174 | 2026-09-18 |
| 2a05:7640:20d0::/44 v6 | no ROA | 31 | 34549174 | 2026-09-18 |
| 2a05:7640:2140::/44 v6 | no ROA | 31 | 34549174 | 2026-09-18 |
| 2a06:f980::/29 v6 | no ROA | 29 | 34549174 | 2026-09-18 |
| 2a0c:9e06::/32 v6 | RPKI valid | 31 | 34549174 | 2026-09-18 |
| 2a0e:78c0::/29 v6 | no ROA | 31 | 34549174 | 2026-09-18 |
| 2a0e:a944::/32 v6 | RPKI valid | 31 | 34549174 | 2026-09-18 |
| 2a0e:a945::/32 v6 | RPKI valid | 31 | 34549174 | 2026-09-18 |
| 2a0e:a946::/32 v6 | RPKI valid | 31 | 34549174 | 2026-09-18 |
| 2a0e:a947::/32 v6 | RPKI valid | 31 | 34549174 | 2026-09-18 |
| 2a0e:b107:5c8::/48 v6 | no ROA | 31 | 34549174 | 2026-09-18 |
| 2a0f:3b80::/32 v6 | RPKI valid | 31 | 34549174 | 2026-09-18 |
| 2a0f:3b81::/32 v6 | RPKI valid | 31 | 34549174 | 2026-09-18 |
| 2a0f:3b82::/32 v6 | RPKI valid | 31 | 34549174 | 2026-09-18 |
| 2a0f:3b83::/32 v6 | RPKI valid | 31 | 34549174 | 2026-09-18 |
| 2a0f:cac0:4::/48 v6 | RPKI valid | 31 | 34549174 | 2026-09-18 |
| 2a0f:cac0:5::/48 v6 | RPKI valid | 31 | 34549174 | 2026-09-18 |
| 2a13:9500:14f::/48 v6 | no ROA | 31 | 34549174 | 2026-09-18 |
| 2a14:7584:f000::/36 v6 | RPKI valid | 31 | 34549174 | 2026-09-18 |
| 2c0f:e9a0::/32 v6 | no ROA | 31 | 34549174 | 2026-09-18 |