Data as of Nov 4, 2026
5.81.249.0/24
7 residential-proxy exits · 30 daysBritish Telecommunications Limited
Announced by
Type
Residential
Risk
0 / 100 · Low
Proxy exits nearby
Residential-proxy exits
Proxy exits
7
2.7% of its addresses · 30 days
Always-on exits
4
57% of its exits
Providers
47
selling exits here
Oct 5, 2026 – Nov 3, 2026
Exits seen per day
7.2K observations
Proxy providers listing exits
- 2Extract
- 711Proxy
- Ake.net
- AnyIP
- B2Proxy
- BirdProxies
- BlurPath
- BottingTools
- ByteProxies
- Byteful
- CliProxy
- DataImpulse
- EnigmaProxy
- Evomi
- FastProxy
- FlashProxy
- FlexyProxies
- FloppyData
- GeekProxy
- Geonode
- GloryCloud
- GonzoProxy
- IPFly
- IPPeak
- Infatica
- InfiniteProxies
- KocerRoxy
- LemonBright
- LudaxProxy
- MangoProxy
- NodeMaven
- NodeProxy
- NovProxy
- NovaProxy
- PrivateByte
- Proxiware
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyRack
- Proxyma
- PuraRoute
- RainProxy
- Shifter
- VantageProxies
- VibeProxies
- VitalExclusive
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 5.80.0.0/15 since Jul 2014 | AS2856 | Residential | 5,842 339 always on | British Telecommunications Limited |
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 |
|---|---|---|---|---|---|---|
| 5.80.0.0/15 | 131,072 | UK-BT-20120613 | British Telecommunications Limited (ORG-BPIS1-RIPE) · GB | ALLOCATED PA | Jun 13, 2012 | abuse@ |
| └ 5.81.0.0/16 | 65,536 | BT-INFRA | BT Infrastructure Layer | LIR-PARTITIONED PA | Jul 30, 2014 | abuse@ via UK-BT-20120613 |
| └ 5.81.128.0/17 | 32,768 | BT-Central-Plus | BT-Central-Plus | ASSIGNED PA | Jul 30, 2014 | abuse@ via BT-INFRA |
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 5.81.0.0/16
- Prefix
- 5.81.0.0/16
- Announced by
- AS2856 British Telecommunications Limited
- Type
- Residential
- Proxy exits
- 2,786
- Always-on exits
- 178
- RPKI
- RPKI valid
- Netname
- BT-INFRA
- Registrant
- BT Infrastructure Layer
- RIR
- RIPE NCC
Registry
Holder
- Organization
- British Telecommunications Limited
- Handle
- ORG-BPIS1-RIPE
- Range
- 5.
80. 0. 0/ 15 - Registration type
- ALLOCATED PA
- Record created
- Jun 13, 2012
- Reallocated to
- BT Infrastructure Layer
- Reallocated range
- 5.
81. 0. 0/ 16 - Reallocation type
- LIR-PARTITIONED PA
- Reallocated
- Jul 30, 2014
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
5.81.0.0/16
Routing history
- Pattern
- Stable
- First seen
- Dec 2012
- Current origin since
- Dec 2012 · 14 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 5.81.0.0/16 | AS2856 | /16 | RIPE | RPKI valid |
| 5.80.0.0/15 | AS2856 | /15 | RIPE | Too specific |
IRR
Route objects on 5.81.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS2856 | RIPE | BT Public Internet Service | BTNET-INFRA-MNT | Jul 29, 2014 |
Whois
Registration for this announcement
- Range
- 5.
81. 0. 0/ 16 - Netname
- BT-INFRA
- Registrant
- BT Infrastructure Layer
- Registrant country
- GB
- Organization
- BT Infrastructure Layer
- Org country
- GB
- Type
- LIR-PARTITIONED PA
- Created
- Jul 30, 2014
- Updated
- Jul 30, 2014
- Maintainer
- BTNET-INFRA-MNT
- RIR
- RIPE NCC
- Country
- GB
- Delegated
- Jun 13, 2012
- Status
- assigned
Report abuse
Abuse contact
- abuse@
bt. com - Name
- Abuse-C Role
- Handle
- AR13878-RIPE