Circle B B.V.
Data as of 2026-10-04
BGP inherited
This organisation
| Netblocks | 8 · 1,536 IPv4 addresses |
| IPv6 | 3 prefixes (largest 2a13:acc0::/29) |
| Also registered under this name | 18 netblocks across 2 separate records |
| Record ID | 245751923 |
| Registry | BGP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 10 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (8)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 45.134.176.0/23 | Circle B B.V. | BGP | ANNOUNCED | ● high |
| 45.134.178.0/23 | Circle B B.V. | BGP | ANNOUNCED | ● high |
| 91.199.227.0/24 | Circle B B.V. | BGP | ANNOUNCED | ● high |
| 185.125.242.0/24 | Circle B B.V. | BGP | ANNOUNCED | ● high |
| 2001:678:348::/48 | Circle B B.V. | BGP | ANNOUNCED | ● high |
| 2a13:acc0::/32 | Circle B B.V. | BGP | ANNOUNCED | ● high |
| 45.134.176.0/22 | Circle B B.V. | RIPE | ALLOCATED PA | ● low |
| 2a13:acc0::/29 | Circle B B.V. | RIPE | ALLOCATED-BY-RIR | ● low |
IPv6 ranges (3)
Footprint over time
15 weekly snapshots · JSON
11
0 netblocks since 2026-07-05
2026-07-05
peak 11
2026-10-04
Network trust
what's this?
RPKI hygiene: B
how networks compare →
81.8%
of checked blocks have valid RPKI ROA coverage
(9 of 11)
No discrepancies found among checked blocks.
NIC Handles
AS43861
DUMY-RIPE
DUMY-RIPE
ORG-CBB4-RIPE
RIPE-NCC-END-MNT
RIPE-NCC-HM-MNT
lir-nl-circleb-1-MNT
lir-nl-circleb-1-MNT
nl-circleb-mnt
nl-circleb-mnt