Data as of Nov 10, 2026

5.2.20.0/23

No anonymizer space · no proxy exits in 30 days

ServerHouse Ltd

Announcement

5.2.16.0/21

RPKI valid

Announced by

AS21472

Type

Hosting

Risk

50 / 100 · Medium

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
5.2.16.0/21	2,048	UK-SERVERHOUSE-20120427	ServerHouse Ltd (ORG-SL345-RIPE) · GB	ALLOCATED PA	Apr 27, 2012	ripe-abuse@serverhouse.co.uk
└ 5.2.20.160/27	32	GREENCO-BROADBAND-160	unknown	ASSIGNED PA	May 17, 2025	ripe-abuse@serverhouse.co.uk via UK-SERVERHOUSE-20120427
└ 5.2.21.0/28	16	SHUKFHMCUST880	SHUKFHMCUST880	ASSIGNED PA	Oct 25, 2017	ripe-abuse@serverhouse.co.uk via UK-SERVERHOUSE-20120427
└ 5.2.21.16/29	8	SHUKFHMCUST860	SHUKFHMCUST860	ASSIGNED PA	Oct 25, 2017	ripe-abuse@serverhouse.co.uk via UK-SERVERHOUSE-20120427
└ 5.2.21.24/29	8	SHUKFHMCUST060	SHUKFHMCUST060	ASSIGNED PA	Oct 25, 2017	ripe-abuse@serverhouse.co.uk via UK-SERVERHOUSE-20120427
└ 5.2.21.32/28	16	SHUKFHMCUST090	SHUKFHMCUST090	ASSIGNED PA	Oct 25, 2017	ripe-abuse@serverhouse.co.uk via UK-SERVERHOUSE-20120427
└ 5.2.21.48/28	16	SHUKFHMCUST010	SHUKFHMCUST010	ASSIGNED PA	Oct 25, 2017	ripe-abuse@serverhouse.co.uk via UK-SERVERHOUSE-20120427
└ 5.2.21.64/28	16	SHUKFHMCUST020	SHUKFHMCUST020	ASSIGNED PA	Oct 25, 2017	ripe-abuse@serverhouse.co.uk via UK-SERVERHOUSE-20120427
└ 5.2.21.80/28	16	SHUKFHMCUST860	SHUKFHMCUST860	ASSIGNED PA	Oct 25, 2017	ripe-abuse@serverhouse.co.uk via UK-SERVERHOUSE-20120427
└ 5.2.21.96/28	16	SHUKFHMCUST860	SHUKFHMCUST860	ASSIGNED PA	Oct 25, 2017	ripe-abuse@serverhouse.co.uk via UK-SERVERHOUSE-20120427
└ 5.2.21.112/29	8	SHUKFHMCUST860	SHUKFHMCUST860	ASSIGNED PA	Oct 25, 2017	ripe-abuse@serverhouse.co.uk via UK-SERVERHOUSE-20120427
└ 5.2.21.120/29	8	SHUKFHMCUST860	SHUKFHMCUST860	ASSIGNED PA	Oct 25, 2017	ripe-abuse@serverhouse.co.uk via UK-SERVERHOUSE-20120427
└ 5.2.21.128/28	16	SHUKFHMCUST860	SHUKFHMCUST860	ASSIGNED PA	Oct 25, 2017	ripe-abuse@serverhouse.co.uk via UK-SERVERHOUSE-20120427
└ 5.2.21.144/28	16	SHUKFHMCUST860	SHUKFHMCUST860	ASSIGNED PA	Oct 25, 2017	ripe-abuse@serverhouse.co.uk via UK-SERVERHOUSE-20120427
└ 5.2.21.160/28	16	SHUKFHMCUST860	SHUKFHMCUST860	ASSIGNED PA	Oct 25, 2017	ripe-abuse@serverhouse.co.uk via UK-SERVERHOUSE-20120427
└ 5.2.21.176/29	8	SHUKFHMCUST555	SHUKFHMCUST555	ASSIGNED PA	Oct 25, 2017	ripe-abuse@serverhouse.co.uk via UK-SERVERHOUSE-20120427
└ 5.2.21.184/29	8	SHUKFHMCUST860	SHUKFHMCUST860	ASSIGNED PA	Oct 25, 2017	ripe-abuse@serverhouse.co.uk via UK-SERVERHOUSE-20120427
└ 5.2.21.192/29	8	SHUKFHMCUST860	SHUKFHMCUST860	ASSIGNED PA	Oct 25, 2017	ripe-abuse@serverhouse.co.uk via UK-SERVERHOUSE-20120427
└ 5.2.21.200/30	4	SHUKFHMCUST860	SHUKFHMCUST860	ASSIGNED PA	Oct 25, 2017	ripe-abuse@serverhouse.co.uk via UK-SERVERHOUSE-20120427
└ 5.2.21.204/31	2	SHUKFHMCUST860	SHUKFHMCUST860	ASSIGNED PA	Oct 25, 2017	ripe-abuse@serverhouse.co.uk via UK-SERVERHOUSE-20120427
└ 5.2.21.208/29	8	SHUKFHMCUST110	SHUKFHMCUST110	ASSIGNED PA	Oct 25, 2017	ripe-abuse@serverhouse.co.uk via UK-SERVERHOUSE-20120427
└ 5.2.21.232/29	8	SHUKFHMCUST010	SHUKFHMCUST010	ASSIGNED PA	May 24, 2018	ripe-abuse@serverhouse.co.uk via UK-SERVERHOUSE-20120427
└ 5.2.21.240/28	16	SHUKFHMCUST860	SHUKFHMCUST860	ASSIGNED PA	Oct 25, 2017	ripe-abuse@serverhouse.co.uk via UK-SERVERHOUSE-20120427

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

Who has announced 5.2.16.0/21

5.2.16.0/21

Routing history

Pattern: Stable
First seen: May 2012
Current origin since: May 2012 · 14 yr
Origin networks: 1

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
5.2.16.0/21	AS21472	/24	RIPE	RPKI valid

IRR

Route objects on 5.2.16.0/21

Origin	Registry	Description	Maintainer	Modified
AS21472	RIPE	ServerHouse Ltd	SERVERHOUSE-MNT	May 19, 2025