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Data as of Nov 3, 2026

46.37.40.0/22

No anonymizer space · no proxy exits in 30 days

Cerberus Networks Ltd

Announcement
this exact prefix
RPKI valid
Announced by
AS51918
Type
Internet provider
96% of it

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
46.37.32.0/19
since Dec 2010
AS51918Internet provider34
4 always on
Cerberus Networks Ltd

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
46.37.32.0/198,192UK-CERBERUSNETWORKS-20101110Cerberus Networks Ltd (ORG-CNL11-RIPE) · GBALLOCATED PANov 10, 2010[email protected]
└ 46.37.40.32/298Imperial_College-3Burlinghton Danes Imaging Centre - DSL ConnectivityASSIGNED PAJul 9, 2012[email protected]
via UK-CERBERUSNETWORKS-20101110
└ 46.37.40.73/321Imperial_College-8DSL connectivityASSIGNED PAJan 2, 2013[email protected]
via UK-CERBERUSNETWORKS-20101110
└ 46.37.40.74/321Imperial_College-9DSL connectivityASSIGNED PAJan 2, 2013[email protected]
via UK-CERBERUSNETWORKS-20101110
└ 46.37.40.75/321Imperial_College-10Imperial College - DSL ConnectivityASSIGNED PAJan 2, 2013[email protected]
via UK-CERBERUSNETWORKS-20101110
└ 46.37.40.79/321Imperial_College-14Imperial College ICT - DSL ConnectivityASSIGNED PAJan 2, 2013[email protected]
via UK-CERBERUSNETWORKS-20101110
└ 46.37.40.236/321DV_062146-52DV 062146 - DSL connectivityASSIGNED PAMar 6, 2026[email protected]
via UK-CERBERUSNETWORKS-20101110
└ 46.37.41.32/304St_Mungos-338St Mungos - DSL ConnectivityASSIGNED PAFeb 19, 2020[email protected]
via UK-CERBERUSNETWORKS-20101110
└ 46.37.42.104/298Brocks_Compass_Ltd-2Brocks Compass Ltd - DSL ConnectivityASSIGNED PAApr 12, 2012[email protected]
via UK-CERBERUSNETWORKS-20101110
└ 46.37.42.112/298Redhouse_Lane_Communications_Ltd-3Redhouse Lane Communications Ltd - DSL ConnectivityASSIGNED PAApr 12, 2012[email protected]
via UK-CERBERUSNETWORKS-20101110
└ 46.37.42.132/321IT_Ambulance-36Simon Dance Design Ltd - DSL ConnectivityASSIGNED PASep 17, 2013[email protected]
via UK-CERBERUSNETWORKS-20101110
└ 46.37.42.134/321Central_IT-8Bartec Vodec - DSL ConnectivityASSIGNED PAJan 2, 2013[email protected]
via UK-CERBERUSNETWORKS-20101110
└ 46.37.42.185/321Sort-Itbiz-5Prontaprint Wimpole Street - DSL ConnectivityASSIGNED PAJan 2, 2013[email protected]
via UK-CERBERUSNETWORKS-20101110
└ 46.37.43.72/304St_Mungo_Community_Housing_Association_Limited-67St Mungos - DSL ConnectivityASSIGNED PASep 17, 2013[email protected]
via UK-CERBERUSNETWORKS-20101110
└ 46.37.43.245/321Netstar_UK_Ltd-19Maycam Ltd - DSL ConnectivityASSIGNED PASep 17, 2013[email protected]
via UK-CERBERUSNETWORKS-20101110
└ 46.37.43.246/321Welcome_Telecom_Limited-54Boulting Group PLC - DSL ConnectivityASSIGNED PASep 17, 2013[email protected]
via UK-CERBERUSNETWORKS-20101110
└ 46.37.43.254/321Custom_Networks-31Powergirls Ltd - DSL ConnectivityASSIGNED PAJan 2, 2013[email protected]
via UK-CERBERUSNETWORKS-20101110
└ 46.37.43.255/321Custom_Networks-32Powergirls Ltd - DSL ConnectivityASSIGNED PAJan 2, 2013[email protected]
via UK-CERBERUSNETWORKS-20101110

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

1,024 addresses
TypeAddressesShareRanges
Internet provider98196%11
Business434.2%16

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS51918

GB
Name
Cerberus Networks Ltd
Type
Internet provider
Registered
Nov 29, 2010
Domain
cerberusnetworks.co.uk
Website
www.cerberusnetworks.co.uk
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed