Data as of Nov 9, 2026

109.105.112.0/21

No anonymizer space · no proxy exits in 30 days

NORDUnet

Announcement

this exact prefix

RPKI valid

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
109.105.96.0/19	8,192	DK-NORDUNET-20090915	NORDUnet (ORG-NA47-RIPE) · DK	ALLOCATED PA	Sep 15, 2009	abuse@nordu.net
└ 109.105.112.0/24	256	NORDUNET-SERVICES	NORDUnet Services	ASSIGNED PA	Dec 1, 2009	abuse@nordu.net via DK-NORDUNET-20090915
└ 109.105.113.0/24	256	NORDUNET-SERVICES	NORDUnet Services	ASSIGNED PA	Dec 1, 2009	abuse@nordu.net via DK-NORDUNET-20090915
└ 109.105.114.32/27	32	NORDUNET-SERVICES	NORDUnet Services	ASSIGNED PA	Nov 7, 2014	abuse@nordu.net via DK-NORDUNET-20090915
└ 109.105.115.0/24	256	CONFERENCE-NETWORK	unknown	ASSIGNED PA	May 16, 2019	abuse@nordu.net via DK-NORDUNET-20090915
└ 109.105.116.0/25	128	NORDUNET-EDUROAM	NORDUnet Wireless	ASSIGNED PA	Dec 1, 2009	abuse@nordu.net via DK-NORDUNET-20090915
└ 109.105.116.128/25	128	NORDUNET-EDUROAM	NORDUnet Wireless	ASSIGNED PA	Dec 1, 2009	abuse@nordu.net via DK-NORDUNET-20090915

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

Origin network

RPKI

ROA prefix	ASN	Max len	Anchor	Verdict
109.105.112.0/21	AS2603	/21	RIPE	RPKI valid

IRR

Origin	Registry	Description	Maintainer	Modified
AS2603	RIPE	NORDUNET-CORE	NORDUNET-MNT	Mar 17, 2010

IRR inside

Prefix	Origin	Registry	Description	Maintainer	Modified
109.105.115.0/24	AS2832	RIPE	NORDUnet conference network - announced via AS2832	NORDUNET-MNT	May 22, 2026