Data as of Nov 4, 2026
37.252.24.0/21
1,024 anonymizer addresses · 50%GCI Network Solutions Limited
IPv4 market
Path
Operators, sellers and brokers
Proxy providers
| Name | Parent | In 37.252.24.0/21 | /24s |
|---|---|---|---|
| IPRoyal | 51225% | 2 | |
| Proxy-Seller | 25613% | 1 |
Leased from
Owners leasing their own space
| Name | In 37.252.24.0/21 | /24s |
|---|---|---|
| GCI Network Solutions Limited | 1,02450% | 4 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
37.252.24.0/21
From the registry to its use
- Jan 8, 2013– Mar 8, 2019AnnouncedAS31270 GCI Network Solutions Limited
- Nov 27, 2018Registry recordGCI Network Solutions LimitedALLOCATED PA37.252.24.0/21
- Feb 25, 2019– Oct 29, 2026
- Oct 11, 2019Route objectAS8851 GCI Network Solutions LimitedRIPE route object for AS8851 GCI Network Solutions Limited, maintainer MNT-GCICOM
- todayUsedIPRoyalProxy seller
- todayUsedProxy-SellerProxy seller
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Operator | Leased from | Holder | RPKI |
|---|---|---|---|---|---|---|
| 37.252.24.0/22 since Sep 2026 | AS8851 | Business | GCI Network Solutions Limited | |||
| 37.252.25.0/24 since Jul 2026 | AS25369 | Unknown | IP broker IPXO | GCI Network Solutions Limited | ||
| 37.252.26.0/24 since May 2026 | AS212238 | Datacenter proxy | Proxy providerssold by Proxy-Seller | IP broker IPXO | GCI Network Solutions Limited | |
| 37.252.27.0/24 since Jun 2024 | AS212384 | ISP proxy | Proxy providerssold by IPRoyal | IP broker IPXO | GCI Network Solutions Limited | |
| 37.252.28.0/23 since Sep 2026 | AS8851 | Business | GCI Network Solutions Limited | |||
| 37.252.28.0/24 since Mar 2024 | AS211439 | ISP proxy | Proxy providerssold by IPRoyal | IP broker IPXO | GCI Network Solutions Limited | |
| 37.252.30.0/24 since Aug 2025 | AS3257 | ISP proxy | IP broker ARISK, IPXO | GCI Network Solutions Limited via Arisk Communications inc. |
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 |
|---|---|---|---|---|---|---|
| 37.252.24.0/21 | 2,048 | UK-GCINETWORK-20120419 | GCI Network Solutions Limited (ORG-GNSL2-RIPE) · GB | ALLOCATED PA | Nov 27, 2018 | abuse@ |
| └ 37.252.24.0/24 | 256 | FMN-BROADBAND | Fusion Media Networks Broadband point-to-point circuits | ASSIGNED PA | Sep 6, 2012 | abuse@ via UK-GCINETWORK-20120419 |
| └ 37.252.25.0/24 | 256 | NET-37-252-25-0-24 | unknown | SUB-ALLOCATED PA | Jul 13, 2025 | report@ |
| └ 37.252.26.0/24 | 256 | NET-37-252-26-0-24 | unknown | SUB-ALLOCATED PA | Jul 13, 2025 | report@ |
| └ 37.252.27.0/24 | 256 | IPXO | unknown | SUB-ALLOCATED PA | Mar 21, 2024 | report@ |
| └ 37.252.28.0/24 | 256 | IPXO | unknown | SUB-ALLOCATED PA | Mar 21, 2024 | report@ |
| └ 37.252.30.0/24 | 256 | Arisk-Communications-inc | unknown | SUB-ALLOCATED PA | Jul 13, 2025 | report@ |
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
2,048 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Business | 768 | 38% | 3 | |
| ISP proxyanonymizer | 768 | 38% | 3 | |
| Datacenter proxyanonymizer | 256 | 13% | 1 | |
| Unknown | 256 | 13% | 1 |
Network & registry
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
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jan 2013
- Current origin since
- Feb 2019 · 7.7 yr
- Origin networks
- 2
- Last change of origin
- Feb 2019
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 37.
252. 24. 0/ 21 - Netname
- UK-GCINETWORK-20120419
- Registrant
- GCI Network Solutions Limited
- Registrant country
- GB
- Organization
- GCI Network Solutions Limited (ORG-GNSL2-RIPE)
- Org country
- GB
- Type
- ALLOCATED PA
- Created
- Nov 27, 2018
- Updated
- Nov 27, 2018
- Maintainer
- MNT-GCICOM
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Apr 19, 2012
- Status
- assigned
Report abuse
Abuse contact
- abuse@
gcicom. net - Name
- GCI Service Desk
- Handle
- GCI1-RIPE