Data as of Nov 4, 2026
37.252.28.0/23
256 anonymizer addresses · 50% · ISP proxyGCI Network Solutions Limited
Announcement
this exact prefix
RPKI valid
Announced by
Type
Business
50% of it
Recent change
New origin Sep 2026
its first announcement on record
IPv4 market
Path
Announced by AS8851 since Sep 2026 · 7 wk ago
Operators, sellers and brokers
Proxy providers
| Name | Parent | In 37.252.28.0/23 | /24s |
|---|---|---|---|
| IPRoyal | 25650% | 1 |
Leased from
Owners leasing their own space
| Name | In 37.252.28.0/23 | /24s |
|---|---|---|
| GCI Network Solutions Limited | 25650% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
37.252.28.0/23
From the registry to its use
- Jan 8, 2013– Mar 8, 2019
- Nov 27, 2018Registry recordGCI Network Solutions LimitedALLOCATED PA37.252.24.0/21
- Feb 25, 2019– Oct 29, 2026
- Sep 16, 2026– today
- todayUsedIPRoyalProxy seller
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 37.252.24.0/21 since Feb 2019 | AS8851 | Business | GCI Network Solutions Limited |
More specific
Announcements inside
| Prefix | Origin | Type | Operator | Leased from | Holder | RPKI |
|---|---|---|---|---|---|---|
| 37.252.28.0/24 since Mar 2024 | AS211439 | ISP proxy | Proxy providerssold by IPRoyal | IP broker IPXO | GCI Network Solutions Limited |
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@ |
| └ 37.252.28.0/24 | 256 | IPXO | unknown | SUB-ALLOCATED PA | Mar 21, 2024 | report@ |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
512 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Business | 256 | 50% | 1 | |
| ISP proxyanonymizer | 256 | 50% | 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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2026
- Current origin since
- Sep 2026 · 2 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 37.252.24.0/21 | AS8851 | /24 | RIPE | RPKI valid |
| 37.252.24.0/21 | AS19905 | /24 | RIPE | Another network |
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