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Data as of Nov 8, 2026

192.42.120.0/22

No anonymizer space · no proxy exits in 30 days

Surf B.V.

Announcement
this exact prefix
No RPKI
Announced by
AS1103
Type
Business

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
192.42.121.0/24
since Nov 2025
AS1102BusinessSurf 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
192.42.120.0/24
under 192.42.116.0 - 192.42.122.255
256ASTRON-NETASTRONLEGACY—cert@surfcert.nl
via 192.42.116.0 - 192.42.122.255
192.42.121.0/24
under 192.42.116.0 - 192.42.122.255
256SURFwimSURFnet bvLEGACY—cert@surfcert.nl
via 192.42.116.0 - 192.42.122.255
192.42.122.0/24
under 192.42.116.0 - 192.42.122.255
256SURFwimSURFnet bvLEGACY—cert@surfcert.nl
192.42.123.0/24256SURFwimSURFnet bvLEGACY——

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
IPv4 market

Holder

Holder in the market →
Organization
Not stated by the registry
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