Data as of Nov 9, 2026

72.51.28.0/24

No anonymizer space · no proxy exits in 30 days

AS19202 · space held by Aptum Technologies

Announcement
this exact prefix
No RPKI
Announced by
Type
Internet provider
Risk
0 / 100 · Low

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
72.51.16.0 - 72.51.51.2559,216PEER1-BLK-08Aptum Technologies (PER1) · CADirect AllocationJul 5, 2005abuse@aptum.com
└ 72.51.28.0/24256PEER1--BACKBONEIT-03Backbone IT Services (C02654671) · CAReassignedDec 7, 2010abuse@aptum.com
via PEER1-BLK-08

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

Registry

Holder

Organization
Aptum Technologies
Handle
PER1
Range
72.51.16.0 - 72.51.51.255
Registration type
Direct Allocation
Record created
Jul 5, 2005
Origin network

AS19202

ZZ
Registered
Nov 8, 2026
Domain
astutehosting.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed