Data as of Nov 3, 2026
83.245.19.0/24
Anonymizer · ISP proxyBritish Telecommunications Limited · space held by GTT - EMEA Ltd.
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
Recent change
New origin Jul 2026
its first announcement on record
IPv4 market
Path
Announced by AS2856 since Jul 2026 · 3 mo ago
Operators, sellers and brokers
Leased from
Owners leasing their own space
| Name | In 83.245.19.0/24 | /24s |
|---|---|---|
| GTT - EMEA Ltd. | 256100% | 1 |
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Anonymizer addresses | Operator | Leased from | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|---|---|
| 83.245.0.0/17 since Jan 2023 | AS3257 | Internet provider | 14,59245%ISP proxy, VPN | VPN servicesoperated by SuperUnlimited VPN | IP broker IPXO (part) | 10 | 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 | [email protected] |
| └ 83.245.19.0/24 | 256 | SourceCode-20080305-GTT | unknown | SUB-ALLOCATED PA | Jul 2, 2026 | [email protected] via UK-PKXG-20040414 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Announced by
Covering announcement 83.245.16.0/21
- Prefix
- 83.245.16.0/21
- Announced by
- AS2856 British Telecommunications Limited
- Type
- ISP proxy
- Anonymizer addresses
- all
- Operator
- Proxy providersoperated by Oxylabs
- RPKI
- RPKI valid
- Netname
- UK-PKXG-20040414
- Registrant
- GTT - EMEA Ltd.
- RIR
- RIPE NCC
Origin network
AS2856
GB
- Name
- British Telecommunications Limited
- Type
- Internet provider
- Registered
- Dec 22, 1993
- Domain
- bt.net
- Website
- www.bt.net
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 12
Routing timeline
Covering aggregate above, the prefix's own history below
83.245.16.0/21
Routing history
- Pattern
- Stable
- First seen
- Jul 2026
- Current origin since
- Jul 2026 · 3 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 83.245.16.0/21 | AS2856 | /21 | RIPE | RPKI valid |
| 83.245.0.0/17 | AS3257 | /24 | RIPE | Another network |
IRR
Route objects on 83.245.16.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS2856 | RIPE | AS3257-IPAM-MNT | Jul 9, 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
- [email protected]
- Name
- Abuse-C Role
- Handle
- AR17852-RIPE