Data as of Nov 14, 2026

145.110.0.0/16

No anonymizer space · no proxy exits in 30 days

Stichting Nederlandse Wetenschappelijk Onderzoek Instituten · space held by Surf B.V.

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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
145.88.0.0 - 145.118.255.2552,031,616SURFNET-EARLY-REGISTRATIONSSurf B.V. (ORG-SB3-RIPE) · NLLEGACYNov 24, 2025cert@surfcert.nl
└ 145.110.0.0/1665,536NIKHEF-NETNIKHEFLEGACYSep 9, 2003cert@surfcert.nl
via SURFNET-EARLY-REGISTRATIONS
└ 145.110.16.0/212,048NIKCLOUD-PREPROD-CUSTUMER-DYNIP-1unknownLEGACYOct 7, 2019security@nikhef.nl
└ 145.110.24.0/212,048NEVELVAT-PREPROD-CUSTUMER-PERMIP-1unknownLEGACYDec 9, 2019security@nikhef.nl

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

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
Apr 2015
Current origin since
Apr 2015 · 12 yr
Origin networks
1