37.98.144.0/22

IPv4 market

Path

1 · Holder

GCI Network Solutions Limited

record created Feb 6, 2012

2 · Leased from

IPXO

3 · Announced by

AS8851 GCI Network Solutions Limited

since Jan 2020 · 6.8 yr ago

4 · Use

Business

Announcements

More specific

Announcements inside

Prefix	Origin	Type	Leased from	Holder	RPKI
37.98.144.0/23 since Sep 2026	AS8851	Business	IP broker IPXO (part)	GCI Network Solutions Limited
37.98.147.0/24 since Sep 2026	AS8851	Unknown	IP broker IPXO	GCI Network Solutions Limited via Internet Utilities Europe and Asia Limited

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
37.98.144.0/21	2,048	UK-GCINETWORK-20120206	GCI Network Solutions Limited (ORG-GNSL2-RIPE) · GB	ALLOCATED PA	Feb 6, 2012	abuse@gcicom.net
└ 37.98.144.0/24	256	OUTSOURCERY-UK-CORE-NET	Outsourcery Hosting - Core	ASSIGNED PA	Feb 18, 2014	abuse@gcicom.net via UK-GCINETWORK-20120206
└ 37.98.145.0/24	256	IPXO-LEASED-37-98-145-0-24	Internet Utilities Europe and Asia Limited (ORG-IL687-RIPE) · GB	SUB-ALLOCATED PA	Mar 6, 2026	report@abuseradar.com
└ 37.98.145.0/25	128	OUTSOURCERY-UK-DC4-CUST	Outsourcery Hosting - DC4 Customer Services	ASSIGNED PA	Jul 18, 2014	report@abuseradar.com via IPXO-LEASED-37-98-145-0-24
└ 37.98.146.0/24	256	IPXO-LEASED-37-98-146-0-24	Internet Utilities Europe and Asia Limited (ORG-IL687-RIPE) · GB	SUB-ALLOCATED PA	Mar 6, 2026	report@abuseradar.com
└ 37.98.146.0/25	128	OUTSOURCERY-UK-DC3-CUST	Outsourcery Hosting - DC3 Customer Services	ASSIGNED PA	Jul 18, 2014	report@abuseradar.com via IPXO-LEASED-37-98-146-0-24
└ 37.98.147.0/24	256	IPXO-LEASED-37-98-147-0-24	Internet Utilities Europe and Asia Limited (ORG-IL687-RIPE) · GB	SUB-ALLOCATED PA	Mar 6, 2026	report@abuseradar.com
└ 37.98.147.0/25	128	OUTSOURCERY-UK-DC4-CUST	Outsourcery Hosting - DC4 Customer Services	ASSIGNED PA	Jul 18, 2014	report@abuseradar.com via IPXO-LEASED-37-98-147-0-24
└ 37.98.147.128/25	128	OUTSOURCERY-UK-DC3-CUST	Outsourcery Hosting - DC3 Customer Services	ASSIGNED PA	Jul 18, 2014	report@abuseradar.com via IPXO-LEASED-37-98-147-0-24

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
Business	768	75%	2
Unknown	256	25%	1

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Announced by

Covering announcement 37.98.144.0/21

Prefix: 37.98.144.0/21
Announced by: AS8851 GCI Network Solutions Limited
Type: Business
Leased from: IP broker IPXO (part)
RPKI: RPKI valid
Netname: UK-GCINETWORK-20120206
Registrant: GCI Network Solutions Limited
RIR: RIPE NCC

Origin network

AS8851

GB

Name: GCI Network Solutions Limited
Type: Business
Registered: Jun 23, 1998
Domain: nasstar.com
Website: www.nasstar.com
Industry: Internet Service Provider (ISP)
Spamhaus ASN-DROP: not listed

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
37.98.144.0/21	AS8851	/24	RIPE	RPKI valid
37.98.144.0/21	AS19905	/24	RIPE	Another network

IRR

Route objects on 37.98.144.0/21

Origin	Registry	Description	Maintainer	Modified
AS8851	RIPE		MNT-GCICOM	Jan 9, 2020