NET-GB-The-Office-Group
BGP inherited
Cluster stats
| Netblocks | 28 · 634 IPv4 addresses |
| All fragments | 43 blocks across 2 clusters |
| Cluster ID | 210399072 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 3 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
28
0 netblocks since 2026-07-05
2026-07-05
peak 28
2026-07-19
IP Ranges (28)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 57.133.197.48/28 | NET-GB-The-Office-Group | RIPE | LEGACY | ● low |
| 57.133.200.96/28 | NET-GB-The-Office-Group | RIPE | LEGACY | ● low |
| 57.133.207.48/28 | NET-GB-The-Office-Group | RIPE | LEGACY | ● low |
| 57.133.217.128/26 | NET-GB-The-Office-Group | RIPE | LEGACY | ● low |
| 80.169.92.208/28 | NET-GB-The-Office-Group | RIPE | ASSIGNED PA | ● low |
| 80.169.230.16/28 | NET-GB-The-Office-Group | RIPE | ASSIGNED PA | ● low |
| 195.110.82.0/26 | NET-GB-The-Office-Group | RIPE | ASSIGNED PA | ● low |
| 195.110.89.112/28 | NET-GB-The-Office-Group | RIPE | ASSIGNED PA | ● low |
| 212.36.144.96/28 | NET-GB-The-Office-Group | RIPE | ASSIGNED PA | ● low |
| 212.161.2.128/26 | NET-GB-The-Office-Group | RIPE | ASSIGNED PA | ● low |
| 212.161.2.192/26 | NET-GB-The-Office-Group | RIPE | ASSIGNED PA | ● low |
| 212.161.46.128/26 | NET-GB-The-Office-Group | RIPE | ASSIGNED PA | ● low |
| 212.161.60.160/28 | NET-GB-The-Office-Group | RIPE | ASSIGNED PA | ● low |
| 212.161.60.224/28 | NET-GB-The-Office-Group | RIPE | ASSIGNED PA | ● low |
| 212.161.60.240/28 | NET-GB-The-Office-Group | RIPE | ASSIGNED PA | ● low |
| 212.161.120.128/26 | NET-GB-The-Office-Group | RIPE | ASSIGNED PA | ● low |
| 212.161.126.192/26 | NET-GB-The-Office-Group | RIPE | ASSIGNED PA | ● low |
| 213.86.27.232/29 | NET-GB-The-Office-Group | RIPE | ASSIGNED PA | ● low |
| 213.86.100.128/29 | NET-GB-The-Office-Group | RIPE | ASSIGNED PA | ● low |
| 213.86.218.184/29 | NET-GB-The-Office-Group | RIPE | ASSIGNED PA | ● low |
| 213.86.231.16/28 | NET-GB-The-Office-Group | RIPE | ASSIGNED PA | ● low |
| 217.110.215.8/29 | NET-GB-The-Office-Group | RIPE | ASSIGNED PA | ● low |
| 2001:920:3074:5d00::/56 | NET-GB-The-Office-Group | RIPE | ASSIGNED | ● low |
| 2001:920:3074:9100::/56 | NET-GB-The-Office-Group | RIPE | ASSIGNED | ● low |
| 2001:920:3074:9c00::/56 | NET-GB-The-Office-Group | RIPE | ASSIGNED | ● low |
| 2001:920:3074:a900::/56 | NET-GB-The-Office-Group | RIPE | ASSIGNED | ● low |
| 2001:920:3074:ac00::/56 | NET-GB-The-Office-Group | RIPE | ASSIGNED | ● low |
| 2001:920:3074:b600::/56 | NET-GB-The-Office-Group | RIPE | ASSIGNED | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(28 of 28)
Possible discrepancies (6)
These blocks are registered to NET-GB-The-Office-Group but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2001:920:3074:5d00::/56 /56 | authorized for AS8220 — COLT Technology Services Group Limited |
| 2001:920:3074:9100::/56 /56 | authorized for AS8220 — COLT Technology Services Group Limited |
| 2001:920:3074:9c00::/56 /56 | authorized for AS8220 — COLT Technology Services Group Limited |
| 2001:920:3074:a900::/56 /56 | authorized for AS8220 — COLT Technology Services Group Limited |
| 2001:920:3074:ac00::/56 /56 | authorized for AS8220 — COLT Technology Services Group Limited |
| 2001:920:3074:b600::/56 /56 | authorized for AS8220 — COLT Technology Services Group Limited |
NIC Handles
COLT-UK
DUMY-RIPE
DUMY-RIPE