Data as of Nov 10, 2026

46.37.32.0/22

No anonymizer space · no proxy exits in 30 days

Cerberus Networks Ltd

Announcement

this exact prefix

RPKI valid

Announced by

AS51918

Type

Internet provider

Risk

0 / 100 · Low

Announcements

Less specific

Covering announcements

Prefix	Origin	Type	Proxy exits	Holder	RPKI
46.37.32.0/19 since Dec 2010	AS51918	Internet provider	37 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.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
46.37.32.0/19	8,192	UK-CERBERUSNETWORKS-20101110	Cerberus Networks Ltd (ORG-CNL11-RIPE) · GB	ALLOCATED PA	Nov 10, 2010	abuse@cerberusnetworks.co.uk
└ 46.37.32.0/24	256	CERBERUS_INFRASTRUCTURE	Telehouse North Infrastructure	ASSIGNED PA	Nov 11, 2010	abuse@cerberusnetworks.co.uk via UK-CERBERUSNETWORKS-20101110
└ 46.37.33.0/28	16	CERBERUS_INFRASTRUCTURE	Greenford Infrastructure	ASSIGNED PA	Nov 11, 2010	abuse@cerberusnetworks.co.uk via UK-CERBERUSNETWORKS-20101110
└ 46.37.33.16/29	8	CERBERUS_INFRASTRUCTURE	Alternate Telehouse Infrastructure (inc secondary DNS)	ASSIGNED PA	Dec 20, 2010	abuse@cerberusnetworks.co.uk via UK-CERBERUSNETWORKS-20101110
└ 46.37.33.32/27	32	CERBERUS_INFRASTRUCTURE_P2P-01	Cerberus Internal Point-to-Point Links	ASSIGNED PA	Dec 31, 2012	abuse@cerberusnetworks.co.uk via UK-CERBERUSNETWORKS-20101110
└ 46.37.33.64/26	64	CERBERUS_INFRASTRUCTURE_P2P-02	Cerberus Internal Point-to-Point Links	ASSIGNED PA	Dec 31, 2012	abuse@cerberusnetworks.co.uk via UK-CERBERUSNETWORKS-20101110
└ 46.37.33.128/25	128	CERBERUS_INFRASTRUCTURE_P2P-03	Cerberus Internal Point-to-Point Links	ASSIGNED PA	Dec 31, 2012	abuse@cerberusnetworks.co.uk via UK-CERBERUSNETWORKS-20101110
└ 46.37.34.0/24	256	Hosted-Customer-Cloud-01	Cerberus-Hosted-Customer	ASSIGNED PA	Dec 31, 2012	abuse@cerberusnetworks.co.uk via UK-CERBERUSNETWORKS-20101110
└ 46.37.35.0/24	256	Hosted-Customer-Cloud-02	Cerberus-Hosted-Customer	ASSIGNED PA	Dec 31, 2012	abuse@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.

Network & registry

Announcement Routing history RPKI & IRR Whois & 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

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
46.37.32.0/22	AS51918	/22	RIPE	RPKI valid
46.37.32.0/19	AS51918	/19	RIPE	Too specific

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS51918	RIPE	Cerberus Networks /22 Block-1	EC-MNT	Dec 18, 2012