Data as of Nov 3, 2026

145.98.0.0/16

No anonymizer space · no proxy exits in 30 days

Surf B.V.

Announcement

this exact prefix

RPKI valid

Announced by

Type

Business

Announcements

More specific

Prefix	Origin	Type	Holder
145.98.0.0/21 since Jan 2026	AS1147	Business	Surf B.V.
145.98.7.0/24 since Feb 2026	AS1147	Business	Surf B.V.
145.98.16.0/24 since Sep 18, 2026	AS1653	Business	Surf B.V.

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
145.88.0.0 - 145.118.255.255	2,031,616	SURFNET-EARLY-REGISTRATIONS	Surf B.V. (ORG-SB3-RIPE) · NL	LEGACY	Nov 24, 2025	[email protected]
└ 145.98.0.0/21	2,048	MCL-NET	Medisch Centrum Leeuwarden B.V.	LEGACY	Jan 16, 2025	[email protected] via SURFNET-EARLY-REGISTRATIONS
└ 145.98.16.0/24	256	ANY-NET	unknown	LEGACY	Mar 3, 2025	[email protected] via SURFNET-EARLY-REGISTRATIONS
└ 145.98.38.0/23	512	STOL-VPN-GENERAL	STOL (STudenten OnLine) network / SURFnet	LEGACY	—	[email protected] via SURFNET-EARLY-REGISTRATIONS
└ 145.98.64.0/18	16,384	UNIMAAS-NET	Universiteit Maastricht Lab	LEGACY	Jul 10, 2025	[email protected] via SURFNET-EARLY-REGISTRATIONS
└ 145.98.128.0/18	16,384	SURFNET-ACCESS-UNSPECIFIED	SURFnet access (UNSPECIFIED)	LEGACY	Sep 9, 2005	[email protected] via SURFNET-EARLY-REGISTRATIONS

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
145.98.0.0/16	AS1103	/24	RIPE	RPKI valid

IRR

Origin	Registry	Description	Maintainer	Modified
AS1103	RIPE	SURFNET VARIOUS	AS1103-MNT	Jan 8, 2015