LAYER3 INTEL
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Data as of Nov 11, 2026

145.102.4.0/23

No anonymizer space · no proxy exits in 30 days

Surf B.V.

Announcement
this exact prefix
RPKI valid
Announced by
AS1101
Type
Business
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
145.102.0.0/16
since May 2013
AS1103Business65Surf B.V.

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
└ 145.102.4.0/23512Orkaan-NETOnweer Service ProviderLEGACYAug 7, 2006cert@surfcert.nl
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.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Aug 2006
Current origin since
Jan 2018 · 8.8 yr
Origin networks
1