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Data as of Nov 5, 2026

145.5.240.0/20

No anonymizer space · no proxy exits in 30 days

Surf B.V. · space held by Erasmus Universiteit Rotterdam

Announcement
145.5.0.0/16
RPKI valid
Announced by
AS1103
Type
Business
Risk
0 / 100 · Low

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
145.5.0.0/1665,536EUR-NETErasmus Universiteit Rotterdam (ORG-EUR2-RIPE) · NLLEGACYSep 9, 2003cert@surfcert.nl
└ 145.5.240.0/204,096EURNETErasmus Universiteit RotterdamLEGACYDec 14, 2009cert@surfcert.nl
via EUR-NET

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
Announced by

Covering announcement 145.5.0.0/16

Prefix
145.5.0.0/16
Announced by
AS1103 Surf B.V.
Type
Business
Proxy exits
23
RPKI
RPKI valid
Netname
EUR-NET
Registrant
Erasmus Universiteit Rotterdam
RIR
RIPE NCC
Origin network

AS1103

NL
Name
Surf B.V.
Type
Education
Registered
Sep 1, 1993
Domain
surf.nl
Website
www.surf.nl/en
Industry
Computer and Information Technology
Spamhaus ASN-DROP
not listed