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Data as of Nov 10, 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 provider37
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, 2010abuse@cerberusnetworks.co.uk
└ 46.37.40.32/298Imperial_College-3Burlinghton Danes Imaging Centre - DSL ConnectivityASSIGNED PAJul 9, 2012abuse@cerberusnetworks.co.uk
via UK-CERBERUSNETWORKS-20101110
└ 46.37.40.73/321Imperial_College-8DSL connectivityASSIGNED PAJan 2, 2013abuse@cerberusnetworks.co.uk
via UK-CERBERUSNETWORKS-20101110
└ 46.37.40.74/321Imperial_College-9DSL connectivityASSIGNED PAJan 2, 2013abuse@cerberusnetworks.co.uk
via UK-CERBERUSNETWORKS-20101110
└ 46.37.40.75/321Imperial_College-10Imperial College - DSL ConnectivityASSIGNED PAJan 2, 2013abuse@cerberusnetworks.co.uk
via UK-CERBERUSNETWORKS-20101110
└ 46.37.40.79/321Imperial_College-14Imperial College ICT - DSL ConnectivityASSIGNED PAJan 2, 2013abuse@cerberusnetworks.co.uk
via UK-CERBERUSNETWORKS-20101110
└ 46.37.40.236/321DV_062146-52DV 062146 - DSL connectivityASSIGNED PAMar 6, 2026abuse@cerberusnetworks.co.uk
via UK-CERBERUSNETWORKS-20101110
└ 46.37.41.32/304St_Mungos-338St Mungos - DSL ConnectivityASSIGNED PAFeb 19, 2020abuse@cerberusnetworks.co.uk
via UK-CERBERUSNETWORKS-20101110
└ 46.37.42.104/298Brocks_Compass_Ltd-2Brocks Compass Ltd - DSL ConnectivityASSIGNED PAApr 12, 2012abuse@cerberusnetworks.co.uk
via UK-CERBERUSNETWORKS-20101110
└ 46.37.42.112/298Redhouse_Lane_Communications_Ltd-3Redhouse Lane Communications Ltd - DSL ConnectivityASSIGNED PAApr 12, 2012abuse@cerberusnetworks.co.uk
via UK-CERBERUSNETWORKS-20101110
└ 46.37.42.132/321IT_Ambulance-36Simon Dance Design Ltd - DSL ConnectivityASSIGNED PASep 17, 2013abuse@cerberusnetworks.co.uk
via UK-CERBERUSNETWORKS-20101110
└ 46.37.42.134/321Central_IT-8Bartec Vodec - DSL ConnectivityASSIGNED PAJan 2, 2013abuse@cerberusnetworks.co.uk
via UK-CERBERUSNETWORKS-20101110
└ 46.37.42.185/321Sort-Itbiz-5Prontaprint Wimpole Street - DSL ConnectivityASSIGNED PAJan 2, 2013abuse@cerberusnetworks.co.uk
via UK-CERBERUSNETWORKS-20101110
└ 46.37.43.72/304St_Mungo_Community_Housing_Association_Limited-67St Mungos - DSL ConnectivityASSIGNED PASep 17, 2013abuse@cerberusnetworks.co.uk
via UK-CERBERUSNETWORKS-20101110
└ 46.37.43.245/321Netstar_UK_Ltd-19Maycam Ltd - DSL ConnectivityASSIGNED PASep 17, 2013abuse@cerberusnetworks.co.uk
via UK-CERBERUSNETWORKS-20101110
└ 46.37.43.246/321Welcome_Telecom_Limited-54Boulting Group PLC - DSL ConnectivityASSIGNED PASep 17, 2013abuse@cerberusnetworks.co.uk
via UK-CERBERUSNETWORKS-20101110
└ 46.37.43.254/321Custom_Networks-31Powergirls Ltd - DSL ConnectivityASSIGNED PAJan 2, 2013abuse@cerberusnetworks.co.uk
via UK-CERBERUSNETWORKS-20101110
└ 46.37.43.255/321Custom_Networks-32Powergirls Ltd - DSL ConnectivityASSIGNED PAJan 2, 2013abuse@cerberusnetworks.co.uk
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
Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Jan 2013
Current origin since
Jan 2013 · 14 yr
Origin networks
1