Bifrost Systems OU
Data as of 2026-09-13
BGP inherited
This organisation
| Netblocks | 10 · 513 IPv4 addresses |
| IPv6 | 7 prefixes (largest 2a13:9500:a6::/48) |
| Registered in | France (1) · Ukraine (1) · United States (1) |
| Also registered under this name | 88 netblocks across 3 separate records |
| Record ID | 241094348 |
| Registry | PEERINGDB |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 14 shared RIR contact/maintainer handles |
| Registry names | 3 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (10)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 164.132.186.206/32 | YAGUMYAGUM | PEERINGDB | ASSIGNED | ● high |
| 2001:504:125:e1::94/128 | YAGUMYAGUM | PEERINGDB | ASSIGNED | ● high |
| 2001:7f8:d0::3:3690:1/128 | YAGUMYAGUM | PEERINGDB | ASSIGNED | ● high |
| 2a0e:8f01:1000:7::107/128 | YAGUMYAGUM | PEERINGDB | ASSIGNED | ● high |
| 2a0e:8f01:1000:9::109/128 | YAGUMYAGUM | PEERINGDB | ASSIGNED | ● high |
| 2a0e:8f01:1000:10::105/128 | YAGUMYAGUM | PEERINGDB | ASSIGNED | ● high |
| 2a0e:8f01:1000:32::100/128 | YAGUMYAGUM | PEERINGDB | ASSIGNED | ● high |
| 2a13:9500:a6::/48 | YAGUMYAGUM | RIPE | ASSIGNED | ● high |
| 2.27.104.0/24 | YAGUMYAGUM | RIPE | SUB-ALLOCATED PA | ● medium |
| 91.226.57.0/24 | Bifrost Systems OU | RIPE | ASSIGNED PA | ● medium |
IPv6 ranges (7)
Footprint over time
12 weekly snapshots · JSON
88
+31 netblocks since 2026-07-05
2026-07-05
peak 88
2026-09-13
Network trust
what's this?
RPKI hygiene: D
how networks compare →
40.0%
of checked blocks have valid RPKI ROA coverage
(4 of 10)
Possible discrepancies (3)
These blocks are registered to Bifrost Systems OU 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.
| 2a13:9500:a6::/48 /48 | authorized for AS210576 — Sangmin Lee trading as YAGUMYAGUM |
| 91.226.57.0/24 /24 | authorized for AS210576 — Sangmin Lee trading as YAGUMYAGUM |
| 2.27.104.0/24 /24 | authorized for AS210576 — Sangmin Lee trading as YAGUMYAGUM |
NIC Handles
AS210576
DUMY-RIPE
DUMY-RIPE
IPBNB-MNT
ORG-BSO7-RIPE
ORG-FONT1-RIPE
ORG-YA175-RIPE
ORG-YA196-RIPE
YA58029-RIPE
YAC15-RIPE
am34346
ipbnb-mnt
+2 more