LAYER3 INTEL
Get started
Sign in
Data as of Nov 5, 2026

45.81.151.0/24

No anonymizer space · no proxy exits in 30 days

Bifrost Systems OU · reallocated from Heymman Servers Corporation

Announcement
this exact prefix
RPKI valid
Announced by
AS48539
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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
45.81.148.0/221,024CA-HEYMMAN15-20190520Heymman Servers Corporation (ORG-HSC8-RIPE) · CAALLOCATED PAOct 13, 2021contact@heymman.com
└ 45.81.151.0/24256CID-19396-1Bifrost Systems OU (ORG-BSO7-RIPE) · EESUB-ALLOCATED PAJun 3, 2026contact@heymman.com

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
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