COLT Technology Services Group Limited
COLT-NL-INTERNAL
BGP inherited
Cluster stats
| Netblocks | 6 · 534 IPv4 addresses |
| All fragments | 36 blocks across 19 clusters |
| Cluster ID | 208921477 |
| 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
6
0 netblocks since 2026-07-05
2026-07-05
peak 6
2026-07-19
IP Ranges (6)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 212.78.160.0/24 | COLT-NL-INTERNAL | RIPE | LIR-PARTITIONED PA | ● low |
| 212.123.233.128/28 | COLT-NL-INTERNAL | RIPE | ASSIGNED PA | ● low |
| 212.123.233.200/30 | COLT-NL-INTERNAL | RIPE | ASSIGNED PA | ● low |
| 212.123.233.204/30 | COLT-NL-INTERNAL | RIPE | ASSIGNED PA | ● low |
| 212.123.233.208/30 | COLT-NL-INTERNAL | RIPE | ASSIGNED PA | ● low |
| 213.208.224.0/24 | COLT-NL-INTERNAL | RIPE | ASSIGNED PA | ● low |
Possibly related to this organisation
what's this?Same name family
Separately-registered clusters whose names share “COLT NL” — often
per-country or per-system registrations of the same brand, occasionally a different
organisation sharing the name. Not counted in this organisation's own footprint.
- COLT-NL-AMS-WAN 10 blocks
- COLT-NL-AMS-INTERNAL 2 blocks
- COLT-NL-RTM-106 2 blocks
- COLT-NL-AMS-MPLS-INTERNAL 2 blocks
- COLT-NL-AMS-XFER-114 1 blocks
- COLT-NL-RTM-107 1 blocks
- COLT-NL-AMS-MPLS-WAN 1 blocks
- COLT-NL-RTM-WAN 1 blocks
Sub-allocations under carriers
IP blocks an ISP reassigned to a similarly-named customer — decoded from the ISP's own
naming convention, not a direct registration.
- Al Coltd via No.31,Jin-rong Street sub-allocation
- DAKOTAINDUSTRIALCOLTD-HK sub-allocation
- Electronic Coltd sub-allocation
- CONSORZIOVOLONTARIOPROVINCIALEVITICOLTURA sub-allocation
- XIAMEN-EWNT-COLTD-XIAMEN-FJ via No.31,Jin-rong Street sub-allocation
- WELLTECHTOYSCOLTD-HK sub-allocation
- GOLIKMETALMANUFACTURINGCOLTD-HK sub-allocation
- Bb Us via COLT Technology Services Group Limited sub-allocation
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(6 of 6)
No discrepancies found among checked blocks.
NIC Handles
COLT-NL-MNT
DUMY-RIPE
DUMY-RIPE