COGENT INTERNATIONAL LIMITED
Cogent Communications, LLC
GLEIF verified
Complete entity footprint
2 linked clusters ·
5,147 netblocks ·
228,859,310 IPv4 addresses
This organisation's clusters combined by evidence —
shared operating domain cogentco.com
— not name similarity, so genuinely different organisations that share a name are excluded.
LEI
213800B61KHO7ZN59E64
Registered name
COGENT INTERNATIONAL LIMITED
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 4,951 · 70,303,841 IPv4 addresses |
| Registered in | United States (2,826) · Ukraine (35) · United Kingdom (32) · France (12) · China (11) · Netherlands (8) |
| All fragments | 4,977 blocks across 18 clusters |
| Cluster ID | 208783230 |
| Registry | APNIC |
| Owner jurisdiction | GB |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 213800B61KHO7ZN59E64 |
| Shared handles | clustered on 100 shared RIR contact/maintainer handles |
| Registry names | 17 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
4,893
+117 netblocks since 2026-07-05
2026-07-05
peak 4,893
2026-07-19
IP Ranges (4,951)
showing 50 of 4,951 — see all — ⬇ export CSV (free export limited to 500 rows — subscribe for the full export)| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 80.174.114.0/24 | Cogent-Communications-LLC | RIPE | SUB-ALLOCATED PA | ● high |
| 80.174.123.0/24 | Cogent-Communications-LLC | RIPE | SUB-ALLOCATED PA | ● high |
| 117.239.144.96/28 | cogent | APNIC | ASSIGNED NON-PORTABLE | ● high |
| 155.178.69.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● high |
| 155.178.70.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● high |
| 192.33.4.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● high |
| 195.238.96.0/24 | Cogent-Communications-LLC | RIPE | SUB-ALLOCATED PA | ● high |
| 198.176.213.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● high |
| 198.176.214.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● high |
| 204.6.192.0/18 | Cogent Communications, LLC | BGP | ANNOUNCED | ● high |
| 208.7.91.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● high |
| 208.11.210.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● high |
| 216.151.168.0/24 | Cogent Communications | ARIN | ASSIGNMENT | ● high |
| 2001:500:2::/48 | Cogent Communications, LLC | BGP | ANNOUNCED | ● high |
| 38.19.236.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● medium |
| 38.83.202.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● medium |
| 38.99.95.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● medium |
| 38.110.128.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● medium |
| 38.188.160.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● medium |
| 38.188.161.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● medium |
| 38.188.165.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● medium |
| 38.190.150.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● medium |
| 80.91.81.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● medium |
| 154.51.14.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● medium |
| 2.58.4.0/22 | Cogent Communications, LLC | BGP | ANNOUNCED | ● low |
| 5.83.217.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● low |
| 5.83.219.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● low |
| 5.157.72.0/21 | Cogent Communications, LLC | BGP | ANNOUNCED | ● low |
| 8.24.64.0/23 | Cogent Communications, LLC | BGP | ANNOUNCED | ● low |
| 8.24.72.0/23 | Cogent Communications, LLC | BGP | ANNOUNCED | ● low |
| 16.5.168.0/23 | Cogent Communications, LLC | BGP | ANNOUNCED | ● low |
| 16.5.170.0/23 | Cogent Communications, LLC | BGP | ANNOUNCED | ● low |
| 23.26.130.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● low |
| 23.135.116.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● low |
| 23.135.124.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● low |
| 23.141.196.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● low |
| 23.141.204.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● low |
| 23.141.212.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● low |
| 23.141.228.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● low |
| 23.142.100.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● low |
| 23.144.28.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● low |
| 23.144.60.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● low |
| 23.146.76.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● low |
| 23.146.116.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● low |
| 23.148.44.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● low |
| 23.148.60.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● low |
| 23.148.68.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● low |
| 23.148.92.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● low |
| 23.148.116.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● low |
| 23.148.124.0/24 | Cogent Communications, LLC | BGP | ANNOUNCED | ● low |
Domains hosted in this network
what's this?Network trust
what's this?
RPKI hygiene: F
how networks compare →
11.4%
of checked blocks have valid RPKI ROA coverage
(229 of 2,000, sampled from 4,951)
Possible discrepancies (4)
These blocks are registered to Cogent Communications, LLC but cryptographically authorized for a different, unrelated network (4 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 208.72.198.0/23 /23 | authorized for AS14618 — Amazon.com, Inc. |
| 38.67.22.0/24 /24 | authorized for AS213971 — FAL GROUP |
| 38.19.214.0/24 /24 | authorized for AS53107 — AS53107 |
| 216.151.168.0/24 /24 | authorized for AS834 — IPXO LLC |
NIC Handles
A2-MNT
AB1061-AP
AC1578-AP
AE150-AP
AE278-AP
AG545-AP
AG545-AP
APNIC-HM
AS150555
AS151690
AS152491
AS174
+88 more