Data as of Nov 12, 2026
45.81.151.0/24
No anonymizer space · no proxy exits in 30 daysBifrost Systems OU · reallocated from Heymman Servers Corporation
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recently moved
Recent change
New origin May 2026
from AS62164 Heymman Servers Corporation
registry: sub-allocated pa to Bifrost Systems OU by Heymman Servers Corporation, Jun 3, 2026
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 45.81.148.0/22 | 1,024 | CA-HEYMMAN15-20190520 | Heymman Servers Corporation (ORG-HSC8-RIPE) · CA | ALLOCATED PA | Oct 13, 2021 | contact@ |
| └ 45.81.151.0/24 | 256 | CID-19396-1 | Bifrost Systems OU (ORG-BSO7-RIPE) · EE | SUB-ALLOCATED PA | Jun 3, 2026 | contact@ |
Network & registry
IPv4 market
Holder
- Organization
- Heymman Servers Corporation
- Handle
- ORG-HSC8-RIPE
- Range
- 45.
81. 148. 0/ 22 - Registration type
- ALLOCATED PA
- Record created
- Oct 13, 2021
- Reallocated to
- Bifrost Systems OU (ORG-BSO7-RIPE)
- Reallocated range
- 45.
81. 151. 0/ 24 - Reallocation type
- SUB-ALLOCATED PA
- Reallocated
- Jun 3, 2026
Origin network
AS48539
EE
- Name
- Bifrost Systems OU
- Type
- Hosting
- Registered
- Jul 20, 2021
- Domain
- bifrost.systems
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Jun 2019
- Current origin since
- May 2026 · 5 mo
- Origin networks
- 6
- Last change of origin
- May 2026
Recorded history
History
- Handoffs
- 7
Whois
Registration for this announcement
- Range
- 45.
81. 151. 0/ 24 - Netname
- CID-19396-1
- Registrant
- Bifrost Systems OU
- Registrant country
- DE
- Organization
- Bifrost Systems OU (ORG-BSO7-RIPE)
- Org country
- EE
- Type
- SUB-ALLOCATED PA
- Created
- Jun 3, 2026
- Updated
- Jun 3, 2026
- Maintainer
- mnt-ca-heymman15-1
- RIR
- RIPE NCC
- Country
- CA
- Delegated
- May 20, 2019
- Status
- assigned
Report abuse
Abuse contact
- contact@
heymman. com - Name
- Abuse-C Role
- Handle
- AR39374-RIPE