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Data as of Nov 7, 2026

185.251.237.0/24

No anonymizer space · no proxy exits in 30 days

ITB-Kwadraat BV · space held by bosworX B.V.

Announcement
185.251.236.0/22
RPKI valid
Announced by
AS199927
Type
Hosting
Risk
50 / 100 · Medium

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
185.251.236.0/221,024NL-BOSWORX-20180327bosworX B.V. (ORG-BB207-RIPE) · NLALLOCATED PAMar 27, 2018abuse@bosworx.nl
└ 185.251.237.48/2816TIG-ArrowunknownASSIGNED PAMar 25, 2021abuse@bosworx.nl
via NL-BOSWORX-20180327

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 185.251.236.0/22

Prefix
185.251.236.0/22
Announced by
AS199927 ITB-Kwadraat BV
Type
Hosting
RPKI
RPKI valid
Netname
NL-BOSWORX-20180327
Registrant
bosworX B.V.
RIR
RIPE NCC
Origin network

AS199927

NL
Name
ITB-Kwadraat BV
Type
Hosting
Registered
Dec 5, 2013
Domain
itb-kwadraat.nl
Website
itb-kwadraat.nl
Spamhaus ASN-DROP
not listed