Bifrost Systems OU
BGP inherited
Cluster stats
| Netblocks | 3 |
| All fragments | 57 blocks across 2 clusters |
| Cluster ID | 192921993 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 9 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
3 weekly snapshots · JSON
57
0 netblocks since 2026-07-05
2026-07-05
peak 57
2026-07-12
IP Ranges (3)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 45.81.151.0/24 | Bifrost Systems OU | RIPE | SUB-ALLOCATED PA | ● medium |
| 185.191.228.184/29 | ipv4guard | RIPE | ASSIGNED PA | ● medium |
| 2a0e:97c0:3e2:3c::/64 | ipv4guard | RIPE | ALLOCATED-BY-LIR | ● low |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(3 of 3)
No discrepancies found among checked blocks.
NIC Handles
AR39374-RIPE
DUMY-RIPE
DUMY-RIPE
HT-Hosting-MNT
IPV4GUARD-MNT
ORG-BSO7-RIPE
ORG-IA2007-RIPE
lir-ee-bifrost-1-MNT
mnt-ca-heymman15-1