Data as of Nov 11, 2026

178.255.56.0/24

No anonymizer space · no proxy exits in 30 days

Sipsynergy Limited

Announcement

this exact prefix

RPKI valid

Announced by

Type

Business

Risk

0 / 100 · Low

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
178.255.56.0/21	2,048	UK-SIPSYNERGY-20100701	Sipsynergy Limited (ORG-SL834-RIPE) · GB	ALLOCATED PA	Feb 19, 2020	noc@sipsynergy.co.uk
└ 178.255.56.0/28	16	SIPSYNERGY_PA-SIPSYNERGY	Edge Routing	ASSIGNED PA	Feb 20, 2012	noc@sipsynergy.co.uk via UK-SIPSYNERGY-20100701
└ 178.255.56.16/28	16	SIPSYNERGY_PA-SIPSYNERGY	Core Network	ASSIGNED PA	Feb 20, 2012	noc@sipsynergy.co.uk via UK-SIPSYNERGY-20100701
└ 178.255.56.32/27	32	SIPSYNERGY_PA-SIPSYNERGY	Core Network	ASSIGNED PA	Feb 20, 2012	noc@sipsynergy.co.uk via UK-SIPSYNERGY-20100701
└ 178.255.56.64/26	64	SIPSYNERGY_PA-SIPSYNERGY	Core Network	ASSIGNED PA	Feb 20, 2012	noc@sipsynergy.co.uk via UK-SIPSYNERGY-20100701
└ 178.255.56.128/26	64	SIPSYNERGY_PA-SIPSYNERGY	Core Network	ASSIGNED PA	Feb 20, 2012	noc@sipsynergy.co.uk via UK-SIPSYNERGY-20100701
└ 178.255.56.192/26	64	SIPSYNERGY_PA-SIPSYNERGY	Core Network	ASSIGNED PA	Feb 20, 2012	noc@sipsynergy.co.uk via UK-SIPSYNERGY-20100701

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

Routing timeline

Summary

RPKI

ROA prefix	ASN	Max len	Anchor	Verdict
178.255.56.0/24	AS51409	/24	RIPE	RPKI valid
178.255.56.0/21	AS51409	/21	RIPE	Too specific

IRR

Origin	Registry	Description	Maintainer	Modified
AS51409	RIPE	Sipsynergy	MNT-UK-SIPSYNERGY-1	Feb 25, 2020