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Data as of Nov 10, 2026

83.137.144.0/21

No anonymizer space · no proxy exits in 30 days

Duocast B.V.

Announcement
this exact prefix
RPKI valid
Announced by
AS31477
Type
Hosting

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
83.137.146.0/24
since Oct 2024
AS31477HostingDuocast B.V.
83.137.151.0/24
since Jul 2020
AS31477HostingDuocast 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
83.137.144.0/212,048NL-DUOCAST-20040526Duocast B.V. (ORG-DA16-RIPE) · NLALLOCATED PAMay 26, 2004abuse@duocast.nl
└ 83.137.144.0/24256NL-DUOCAST-1DuocastASSIGNED PAApr 27, 2016abuse@duocast.nl
via NL-DUOCAST-20040526
└ 83.137.145.0/24256EXSILIA1Quickhost B.V. (ORG-EI46-RIPE) · NLASSIGNED PAApr 27, 2016info@exsilia.net
└ 83.137.148.4/304WAGENBORG-AWS-PUBLICWagenborg Shipping B.V. (ORG-WSB6-RIPE)ASSIGNED PAMar 25, 2020nanne-jan.ter.huizen@wagenborg.com
└ 83.137.148.40/298NL-CUST-DUOCAST-ICEMEDIA3ICEMEDIA ServersASSIGNED PAOct 20, 2014abuse@duocast.nl
via NL-DUOCAST-20040526
└ 83.137.148.64/298hallohallo (ORG-HA903-RIPE)ASSIGNED PASep 14, 2016support@hallo.eu
└ 83.137.148.168/298hallohallo (ORG-HA903-RIPE)ASSIGNED PASep 14, 2016support@hallo.eu
└ 83.137.149.0/24256NL-CUST-DUOCAST-DEDICATEDDuocast B.V. (ORG-DA16-RIPE) · NLASSIGNED PAOct 10, 2005abuse@duocast.nl
└ 83.137.150.0/24256NL-CUST-DUOCAST-QUICKHOSTQuickhostASSIGNED PAMar 29, 2006abuse@duocast.nl
via NL-DUOCAST-20040526

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
Origin network

AS31477

NL
Name
Duocast B.V.
Type
Hosting
Registered
May 26, 2004
Domain
duocast.nl
Website
www.duocast.nl
Industry
Hosting and Cloud Provider
Spamhaus ASN-DROP
not listed