Data as of Nov 13, 2026
83.245.48.0/20
3,328 anonymizer addresses · 81%GTT Communications Inc. · space held by GTT - EMEA Ltd.
IPv4 market
Path
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
Owners leasing their own space
| Name | In 83.245.48.0/20 | /24s |
|---|---|---|
| GTT - EMEA Ltd. | 2566.3% | 1 |
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 83.245.56.0/23 since Apr 2026 | AS3257 | ISP proxy | GTT - EMEA Ltd. | |
| 83.245.56.0/24 since Sep 2026 | AS3257 | ISP proxy | GTT - EMEA Ltd. | |
| 83.245.57.0/24 since Sep 2026 | AS3257 | ISP proxy | GTT - EMEA Ltd. | |
| 83.245.59.0/24 since Apr 2026 | AS62513 | Datacenter proxy | GTT - EMEA Ltd. | |
| 83.245.61.0/24 since Apr 2026 | AS215541 | Business | GTT - EMEA Ltd. | |
| 83.245.62.0/23 since Apr 2026 | AS3257 | ISP proxy | GTT - EMEA Ltd. |
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 |
|---|---|---|---|---|---|---|
| 83.245.0.0/17 | 32,768 | UK-PKXG-20040414 | GTT - EMEA Ltd. (ORG-PL6-RIPE) · GB | ALLOCATED PA | Apr 14, 2004 | abuse@ |
| └ 83.245.48.0/20 | 4,096 | GOCODEIT-GTT | unknown | SUB-ALLOCATED PA | Mar 26, 2026 | abuse@ via UK-PKXG-20040414 |
| └ 83.245.48.0/21 | 2,048 | PRIVATE_ | unknown | ASSIGNED PA | Mar 26, 2026 | abuse@ via GOCODEIT-GTT |
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
4,096 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| ISP proxyanonymizer | 3,072 | 75% | 4 | |
| Internet provider | 512 | 13% | 2 | |
| Business | 256 | 6.3% | 1 | |
| Datacenter proxyanonymizer | 256 | 6.3% | 1 |
Network & registry
Announced by
Covering announcement 83.245.0.0/17
- Prefix
- 83.245.0.0/17
- Announced by
- AS3257 GTT Communications Inc.
- Type
- Internet provider
- Anonymizer addresses
- 8,448 addresses · 26%ISP proxyVPN
- Operator
- VPN servicesoperated by SuperUnlimited VPN
- Leased from
- IP broker IPXO (part)
- Proxy exits
- 4
- RPKI
- RPKI valid
- Netname
- UK-PKXG-20040414
- Registrant
- GTT - EMEA Ltd.
- RIR
- RIPE NCC
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
- 251
Routing timeline
Who has announced 83.245.0.0/17
83.245.0.0/17
Routing history
- Pattern
- Rotating
- First seen
- May 2005
- Current origin since
- Jan 2023 · 3.8 yr
- Origin networks
- 2
- Last change of origin
- Jan 2023
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 83.245.0.0/17 | AS3257 | /24 | RIPE | RPKI valid |
IRR
Route objects on 83.245.0.0/17
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS3257 | RIPE | GTT | AS3257-ROUTE-MNT | Apr 1, 2026 |
Whois
Registration for this announcement
- Range
- 83.
245. 0. 0/ 17 - Netname
- UK-PKXG-20040414
- Registrant
- GTT - EMEA Ltd.
- Registrant country
- GB
- Organization
- GTT - EMEA Ltd. (ORG-PL6-RIPE)
- Org country
- GB
- Type
- ALLOCATED PA
- Created
- Apr 14, 2004
- Updated
- Mar 26, 2026
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Apr 14, 2004
- Status
- assigned
Report abuse
Abuse contact
- abuse@
gtt. net - Name
- Abuse-C Role
- Handle
- AR17852-RIPE