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Data as of Nov 3, 2026

46.37.57.21

Proxy activity: Not seen in 30 days
Type: Internet provider
Risk: 0 / 100 · Low

Announced by: AS51918Cerberus Networks Ltdcerberusnetworks.co.ukInternet provider
Announcement: 46.37.56.0/22RPKI valid
Location: Sudbury, England, United Kingdom

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Network & registry

Announcement Routing history RPKI & IRR Whois & abuse Location

Announced by

Announcement

Prefix: 46.37.56.0/22
Announced by: AS51918 Cerberus Networks Ltd
Type: Internet provider
Proxy exits: 9
Always-on exits: 2
RPKI: RPKI valid

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

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
46.37.56.0/22	AS51918	/22	RIPE	RPKI valid
46.37.32.0/19	AS51918	/19	RIPE	Too specific

IRR

Route objects on 46.37.56.0/22

Origin	Registry	Description	Maintainer	Modified
AS51918	RIPE	Cerberus Networks /22 Block-7	EC-MNT	Dec 18, 2012