Data as of Nov 5, 2026
37.252.30.0/24
Anonymizer · ISP proxyGTT Communications Inc. · space held by GCI Network Solutions Limited
IPv4 market
Path
1 · Holder
record created Nov 27, 2018 · reallocated to Arisk Communications inc. Jul 13, 2025
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
IP brokers
| Name | In 37.252.30.0/24 | /24s |
|---|---|---|
| ARISK | 256100% | 1 |
Leased from
Owners leasing their own space
| Name | In 37.252.30.0/24 | /24s |
|---|---|---|
| GCI Network Solutions Limited | 256100% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
37.252.30.0/24
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
- Jul 13, 2025ReallocatedArisk Communications inc.SUB-ALLOCATED PA37.252.30.0/24
- Jul 30, 2025Route objectIPXORADB route object for AS3257 GTT Communications Inc., maintainer MAINT-AS834
- Aug 4, 2025– today
- todayLeased fromARISKIP broker
- todayLeased fromIPXOIP broker
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 37.252.24.0/21 since Feb 2019 | AS8851 | Business | 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@ |
| └ 37.252.30.0/24 | 256 | Arisk-Communications-inc | unknown | SUB-ALLOCATED PA | Jul 13, 2025 | report@ |
Network & registry
IPv4 market
Holder
- Organization
- GCI Network Solutions Limited
- Handle
- ORG-GNSL2-RIPE
- Range
- 37.
252. 24. 0/ 21 - Registration type
- ALLOCATED PA
- Record created
- Nov 27, 2018
- Reallocated to
- Arisk Communications inc. (ORG-PC467-RIPE)
- Reallocated range
- 37.
252. 30. 0/ 24 - Reallocation type
- SUB-ALLOCATED PA
- Reallocated
- Jul 13, 2025
Origin network
AS3257
US
- Name
- GTT Communications Inc.
- Type
- Internet provider
- Registered
- Sep 30, 1994
- Domain
- gtt.net
- Website
- www.gtt.net
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 244
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2025
- Current origin since
- Aug 2025 · 1.3 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 37.252.30.0/24 | AS3257 | /24 | RIPE | RPKI valid |
| 37.252.24.0/21 | AS8851 | /24 | RIPE | Another network |
| 37.252.24.0/21 | AS19905 | /24 | RIPE | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS3257 | RADB | autogen | MAINT-AS834 | Jul 30, 2025 |
Whois
Registration for this announcement
- Range
- 37.
252. 30. 0/ 24 - Netname
- Arisk-Communications-inc
- Registrant country
- GB
- Organization
- Not stated by the registry
- Type
- SUB-ALLOCATED PA
- Created
- Jul 13, 2025
- Updated
- Jul 29, 2025
- Maintainer
- netutils-mnt
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Apr 19, 2012
- Status
- assigned
Report abuse
Abuse contact
- report@
abuseradar. com - Name
- Private Customer
- Handle
- PC19155-RIPE