Data as of Nov 4, 2026

37.203.44.0/23

No anonymizer space · no proxy exits in 30 days

Open Text Corporation · space held by Aptum Technologies (UK) Limited

Announcement

this exact prefix

No RPKI

Announced by

Type

Business

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.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
37.203.40.0/21	2,048	UK-COGECOPEER1-20120323	Aptum Technologies (UK) Limited (ORG-PNEL1-RIPE) · GB	ALLOCATED PA	Jul 31, 2026	[email protected]
└ 37.203.44.0/23	512	NET-37-203-44-0-23	Carbonite Operations B.V.	ASSIGNED PA	Aug 5, 2016	[email protected] via UK-COGECOPEER1-20120323

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

Registry

Origin network