Data as of Nov 6, 2026

31.25.216.0/21

No anonymizer space · no proxy exits in 30 days

Norsk Helsenett SF

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
31.25.216.0/21	2,048	NO-NHN-20110309	Norsk Helsenett SF (ORG-NHA3-RIPE) · NO	ALLOCATED PA	Mar 9, 2011	abuse@nhn.no
└ 31.25.216.0/23	512	NORWEGIAN-HEALTH-NETWORK	NHN County Interconnect Block 6	ASSIGNED PA	Feb 17, 2014	abuse@nhn.no via NO-NHN-20110309
└ 31.25.218.0/23	512	NORWEGIAN-HEALTH-NETWORK	Partner Nat Block 2	ASSIGNED PA	Feb 17, 2014	abuse@nhn.no via NO-NHN-20110309
└ 31.25.220.0/23	512	NORWEGIAN-HEALTH-NETWORK	NHN Core Infrastructure Block 2	ASSIGNED PA	Apr 11, 2014	abuse@nhn.no via NO-NHN-20110309
└ 31.25.222.0/23	512	NORWEGIAN-HEALTH-NETWORK	NHN Core Infrastructure Block 1	ASSIGNED PA	Feb 17, 2014	abuse@nhn.no via NO-NHN-20110309

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
31.25.216.0/21	AS56828	/21	RIPE	RPKI valid

IRR

Origin	Registry	Description	Maintainer	Modified
AS56828	RIPE	Norsk Helsenett A/S	MNT-NHN	Aug 21, 2013