Bright Horizons
BGP inherited
Cluster stats
| Netblocks | 9 |
| All fragments | 15 blocks across 3 clusters |
| Cluster ID | 191761692 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 6 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
2 weekly snapshots · JSON
9
0 netblocks since 2026-07-05
2026-07-05
peak 9
2026-07-06
IP Ranges (9)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 91.132.120.0/24 | Bright Horizons | BGP | ANNOUNCED | ● high |
| 91.132.121.0/24 | Bright Horizons | BGP | ANNOUNCED | ● high |
| 91.132.123.0/24 | Bright Horizons | BGP | ANNOUNCED | ● high |
| 62.216.224.220/30 | BRIGHT-HORIZONS | RIPE | ASSIGNED PA | ● low |
| 62.216.224.224/30 | BRIGHT-HORIZONS | RIPE | ASSIGNED PA | ● low |
| 217.38.216.224/29 | BRIGHT-HORIZONS | RIPE | ASSIGNED PA | ● low |
| 2a00:2381:3a4e::/48 | BRIGHT-HORIZONS | RIPE | AGGREGATED-BY-LIR | ● low |
| 2a00:2381:cdac::/48 | BRIGHT-HORIZONS | RIPE | AGGREGATED-BY-LIR | ● low |
| 2a00:2381:cdac::/56 | BRIGHT-HORIZONS | RIPE | ASSIGNED | ● low |
Network trust
what's this?
RPKI hygiene: C
how networks compare →
66.7%
of checked blocks have valid RPKI ROA coverage
(6 of 9)
Possible discrepancies (3)
These blocks are registered to Bright Horizons 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.
| 2a00:2381:3a4e::/48 /48 | authorized for AS2856 — British Telecommunications PLC |
| 2a00:2381:cdac::/48 /48 | authorized for AS2856 — British Telecommunications PLC |
| 2a00:2381:cdac::/56 /56 | authorized for AS2856 — British Telecommunications PLC |
NIC Handles
AS32130
BTNET-MNT
DUMY-RIPE
DUMY-RIPE
TELECITY-MNT
mnt-uk-bright-1