Bifrost Systems OU

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks34 · 6,400 IPv4 addresses
IPv6 8 prefixes (largest 2a11:6a00::/29)
Registered in EE (31) · United States (8) · Ukraine (6) · United Kingdom (2) · Canada (1)
All fragments 59 blocks across 2 clusters
Cluster ID213347890
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 18 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

6 weekly snapshots · JSON
59 +2 netblocks since 2026-07-05
2026-07-05 peak 59 2026-07-26

IP Ranges (34)

⬇ export CSV
CIDR Org name Registry Status Confidence
5.252.156.0/24 Bifrost Systems OU BGP ANNOUNCED ● high
45.81.151.0/24 Bifrost Systems OU BGP ANNOUNCED ● high
45.85.120.0/24 Bifrost Systems OU BGP ANNOUNCED ● high
45.85.122.0/24 Bifrost Systems OU BGP ANNOUNCED ● high
45.85.123.0/24 Bifrost Systems OU BGP ANNOUNCED ● high
89.28.207.0/24 Bifrost Systems OU BGP ANNOUNCED ● high
89.251.31.0/24 Bifrost Systems OU RIPE SUB-ALLOCATED PA ● high
109.205.189.0/24 Bifrost Systems OU BGP ANNOUNCED ● high
146.19.131.0/24 Bifrost Systems OU BGP ANNOUNCED ● high
178.17.247.0/24 Bifrost Systems OU BGP ANNOUNCED ● high
178.212.137.0/24 Bifrost Systems OU BGP ANNOUNCED ● high
185.209.86.0/24 Bifrost Systems OU BGP ANNOUNCED ● high
185.209.87.0/24 Bifrost Systems OU BGP ANNOUNCED ● high
188.66.25.0/24 Bifrost Systems OU BGP ANNOUNCED ● high
188.244.96.0/24 Bifrost Systems OU BGP ANNOUNCED ● high
188.244.97.0/24 Bifrost Systems OU BGP ANNOUNCED ● high
193.246.161.0/24 Bifrost Systems OU BGP ANNOUNCED ● high
194.63.144.0/24 Bifrost Systems OU BGP ANNOUNCED ● high
194.147.218.0/24 Bifrost Systems OU BGP ANNOUNCED ● high
194.238.77.0/24 Bifrost Systems OU BGP ANNOUNCED ● high
213.218.163.0/24 Bifrost Systems OU BGP ANNOUNCED ● high
213.239.152.0/24 Bifrost Systems OU BGP ANNOUNCED ● high
213.239.153.0/24 Bifrost Systems OU BGP ANNOUNCED ● high
217.180.23.0/24 Bifrost Systems OU BGP ANNOUNCED ● high
2a11:6a00::/48 Bifrost Systems OU BGP ANNOUNCED ● high
2a12:2780::/48 Bifrost Systems OU BGP ANNOUNCED ● high
2a12:8200::/48 Bifrost Systems OU BGP ANNOUNCED ● high
2a12:ab00::/48 Bifrost Systems OU BGP ANNOUNCED ● high
45.85.120.0/22 Bifrost Systems OU RIPE ALLOCATED PA ● low
213.239.152.0/23 Bifrost Systems OU RIPE ALLOCATED PA ● low
2a11:6a00::/29 Bifrost Systems OU RIPE ALLOCATED-BY-RIR ● low
2a12:2780::/29 Bifrost Systems OU RIPE ALLOCATED-BY-RIR ● low
2a12:8200::/29 Bifrost Systems OU RIPE ALLOCATED-BY-RIR ● low
2a12:ab00::/29 Bifrost Systems OU RIPE ALLOCATED-BY-RIR ● low

IPv6 ranges (8)

CIDR
2a11:6a00::/29
2a12:2780::/29
2a12:8200::/29
2a12:ab00::/29
2a11:6a00::/48
2a12:2780::/48
2a12:8200::/48
2a12:ab00::/48

Network trust

what's this?
RPKI hygiene: B how networks compare →
89.3% of checked blocks have valid RPKI ROA coverage (50 of 56)
Possible discrepancies (4)

These blocks are registered to Bifrost Systems OU but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

188.244.97.0/24 /24 authorized for AS207193 — Saint Gobain Group Digital & IT International SAS
89.251.31.0/24 /24 authorized for AS399631 — StreamICan LLC
89.251.31.0/24 /24 authorized for AS399631 — StreamICan LLC
188.244.97.0/24 /24 authorized for AS207193 — Saint Gobain Group Digital & IT International SAS

NIC Handles

AS399631 AS48539 DUMY-RIPE DUMY-RIPE IPBNB-MNT IPBNB-MNT MISAKA-MNT ORG-BSO7-RIPE ORG-HL416-RIPE ORG-IA2181-RIPE ORG-IL936-RIPE ORG-SG17-RIPE +6 more