Data as of Nov 3, 2026

83.151.236.0/22

No anonymizer space · no proxy exits in 30 days

Cerberus Networks Ltd

Announcement

this exact prefix

RPKI valid

Announced by

AS51918

Type

Internet provider

81% of it

Announcements

Less specific

Covering announcements

Prefix	Origin	Type	Proxy exits	Holder	RPKI
83.151.224.0/19 since Sep 2013	AS51918	Internet provider	11	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
83.151.224.0/19	8,192	UK-CERBERUSNETWORKS-20040330	Cerberus Networks Ltd (ORG-CNL11-RIPE) · GB	ALLOCATED PA	Jul 15, 2013	[email protected]
└ 83.151.236.0/29	8	Network_Needs_Ltd-95	Endeavour Hyundai Watford - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.11/32	1	Pioneer_IT_Support_Ltd-56	Emilio Pucci - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.13/32	1	Blackwood_Engineering_Limited-1	Blackwood Engineering Limited - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.19/32	1	TSI_Ireland_Ltd_TA_Rainbow_Communications-8	McElvaney Motors - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.29/32	1	PC_Paramedics-4	Highgrove - DSL Connectivity	ASSIGNED PA	May 20, 2016	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.30/32	1	Vermillion_Technology_Limited-5	Highgrove - DSL Connectivity	ASSIGNED PA	May 20, 2016	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.32/32	1	Restore_Ltd-1	Restore Ltd - DSL Connectivity	ASSIGNED PA	May 26, 2016	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.36/32	1	Business_Broadband__Communications_Ltd-71	A V Taylor - HO - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.37/32	1	Powernet_Management_Limited_LJT_Systems-25	MGLegal - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.39/32	1	Immervox_Limited-674	NHS - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.40/32	1	Seamless_Connectivity_Limited-237	Seamless Connectivity Limited - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.42/32	1	Amvia_Limited-46	TMB Trading Ltd - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.43/32	1	Tconsult_Technologies_Ltd-46	Precious Homes Limited - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.50/32	1	Seamless_Connectivity_Limited-238	Seamless Connectivity Limited - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.51/32	1	Amvia_Limited-47	TMB Trading Ltd - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.53/32	1	Webstores_UK_Limited-16	NetSTATS User - DSL connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.56/29	8	TS_Gateway_Limited-2	TS Gateway Limited - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.64/30	4	DV_056795-2	DV 056795 - DSL connectivity	ASSIGNED PA	Dec 23, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.72/30	4	English_Farm-1	English Farm - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.88/29	8	John_Fowler_Holidays-5	John Fowler Holidays - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.97/32	1	St_Mungos-379	St Mungos - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.104/32	1	DV_055672-2	DV 055672 - DSL connectivity	ASSIGNED PA	Dec 23, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.112/29	8	Network_Needs_Ltd-94	Hyundai North London - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.121/32	1	St_Mungos-367	St Mungos - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.140/32	1	ART__Associates-1	ART Associates - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.144/29	8	Option_One_Communications_Ltd-1	Option One Communications Ltd - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.168/29	8	Raster_Vision_Ltd-1	Raster Vision Ltd - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.176/32	1	Immervox_Limited-717	NHS - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.179/32	1	St_Mungos-407	St Mungos - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.189/32	1	DV_057387-2	DV 057387 - DSL connectivity	ASSIGNED PA	Dec 23, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.191/32	1	St_Mungos-409	St Mungos - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.192/29	8	Acuiti_Solutions_Ltd-21	MV Plant Hire - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.208/28	16	Vitec_Videocom_Ltd-1	The Vitec Group - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.241/32	1	Giotech_Ltd-72	Apasen - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.242/32	1	SystemWise_Ltd-39	Penumbra - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.236.244/30	4	Lee_Engineering_Limited-1	Lee Engineering Limited - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.237.37/32	1	Boxall_Property_Group_Limited-1	Boxall Property Group Limited - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.237.80/29	8	Spring_Grove_School-1	Spring Grove School - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.237.112/30	4	Network_Needs_Ltd-99	Volvo High Wycombe - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.237.144/29	8	External_Reality_Limited-3	Poseidon Navigation - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.237.171/32	1	Giotech_Ltd-73	Camfaud Concrete Pumps Ltd - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.237.172/30	4	Amvia_Limited-51	Silverline Enterprises Ltd - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.237.176/32	1	London__Counties_Property_Co_Ltd-1	London Counties Property Co Ltd - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.237.177/32	1	DV_055844-2	DV 055844 - DSL connectivity	ASSIGNED PA	Dec 23, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.237.224/29	8	Acuiti_Solutions_Ltd-16	White Hart Hotel - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.238.12/30	4	Sinclair_Associates_Limited-1	Sinclair Associates Limited - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.238.16/29	8	GBManagement_Services-1	GBManagement Services - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.238.24/29	8	Acuiti_Solutions_Ltd-18	Wooda Farm Park Limited - DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.238.96/29	8	Acuiti_Solutions_Ltd-22	DSL Connectivity	ASSIGNED PA	Feb 19, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.238.104/29	8	SystemWise_Ltd-44	System Wise Ltd - DSL Connectivity	ASSIGNED PA	Apr 20, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330
└ 83.151.238.160/28	16	Central_IT-34	Central IT - DSL Connectivity	ASSIGNED PA	Jun 2, 2020	[email protected] via UK-CERBERUSNETWORKS-20040330

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

Type	Addresses	Share	Ranges
Internet provider	834	81%	34
Business	190	19%	47

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Origin network

AS51918

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

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
83.151.236.0/22	AS51918	/22	RIPE	RPKI valid
83.151.224.0/19	AS51918	/19	RIPE	Too specific

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS51918	RIPE	Cerberus Networks Block-13	EC-MNT	Jul 31, 2013

83.151.236.0/22

Announcements

Covering announcements

Registrations in this block

Composition

Address share

Types across the prefix

Network & registry

AS51918

Covering aggregate above, the prefix's own history below

Routing history

Route origin authorizations

Route objects on the exact prefix

Registration for this announcement

Abuse contact