COLT Technology Services Group Limited
NET-GB-TATA-Consultancy-Services
Data as of 2026-07-26
BGP inherited
Cluster stats
| Netblocks | 6 |
| IPv6 | 1 prefix (largest 2001:920:3074:8500::/56) |
| All fragments | 7 blocks across 2 clusters |
| Cluster ID | 213576788 |
| 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 | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
4 weekly snapshots · JSON
6
0 netblocks since 2026-07-05
2026-07-05
peak 6
2026-07-26
IP Ranges (6)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 57.133.198.192/28 | NET-GB-Tata-Consultancy-Services | RIPE | LEGACY | ● low |
| 80.169.99.0/28 | NET-GB-TATA-Consultancy-Services | RIPE | ASSIGNED PA | ● low |
| 80.169.161.152/29 | NET-GB-Tata-Consultancy-Services | RIPE | ASSIGNED PA | ● low |
| 80.169.223.64/29 | NET-GB-Tata-Consultancy-Services | RIPE | ASSIGNED PA | ● low |
| 213.86.60.176/28 | NET-GB-TATA-Consultancy-Services | RIPE | ASSIGNED PA | ● low |
| 2001:920:3074:8500::/56 | NET-GB-TATA-Consultancy-Services | RIPE | ASSIGNED | ● low |
IPv6 ranges (1)
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(6 of 6)
Possible discrepancies (1)
These blocks are registered to NET-GB-TATA-Consultancy-Services 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.
| 2001:920:3074:8500::/56 /56 | authorized for AS8220 — COLT Technology Services Group Limited |
NIC Handles
COLT-UK
DUMY-RIPE
DUMY-RIPE