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InternetData
IPv4 address

217.34.57.81

An address in London, England, United Kingdom, announced by British Telecommunications Limited (AS2856). It's a VPN exit, mobile carrier space of BT, and a web server on ports 80 and 443.

Summary

Ownership
217.32.0.0/12
host217-34-57-81.in-addr.btopenworld.com
  • CarrierBT
  • WebPorts 80, 443

Geolocation

Where the address is, and what that place uses.

City
London
Region
England
Postal code
E1W
Continent
Europe
Coordinates
51.5085, -0.1257
Timezone
Europe/London

Ownership

Who holds the address: the AS announcing it, the registry record, the abuse contact and its name in DNS.

Company
British Telecommunications Limited
Domain
bt.net
Type
ISP
Registered in
United Kingdom
AS number
AS2856
Name
British Telecommunications Limited
Prefix
217.32.0.0/12
RPKI
Valid
Type
ISP
Domain
bt.net
Registered in
United Kingdom
Name
BT-ADSL
Network name
Dee-BROWNE-000000007113385
Status
ASSIGNED PA
Registry
RIPE NCC
Domain
btopenworld.com
Name
Abuse-C Role
Address
BT Public Internet Service
Network
217.32.0.0-217.47.255.255
Hostname
host217-34-57-81.in-addr.btopenworld.com
Not seen inIP RWHOIS

Anonymity

Whether the address hides someone else: a VPN, Tor, a relay, a proxy pool, or a hosting range.

Confidence
Low
Last seen
2026-10-17

Network

What kind of network it is on: a mobile carrier, a satellite operator, an anycast service, a CDN edge.

Carrier
BT
MCC
234
MNC
00
Confidence
High

Services

What our own internet-wide measurement found listening on it.

80 status
302
80 redirect
http://217.34.57.81/ord
80 seen
2026-07-29 to 2026-10-18
443 status
302
443 redirect
https://217.34.57.81/ord
443 TLS
TLSv1.3
443 certificate
Niagara4 · Tridium
443 issuer
CN=Niagara4, O=Tridium, C=US
443 browser-trusted
No
443 seen
2026-07-28 to 2026-10-24
00 · Evaluate

Test the real build first.

An evaluation license puts a full current build in your hands, with no sampling, so you can measure it against your own traffic before anyone talks about terms.

01 · License

Then license what you use.

Standard, for detection and decisions inside your own product and operations.
Redistribution, when the data ships onward inside what you sell, priced by scope rather than by seat.
Annual terms, a named contact, and monthly, quarterly or yearly payment.