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InternetData
IPv4 address

78.109.9.20

An address in Rotterdam, South Holland, The Netherlands, used by BT Dual Site Internet, announced by British Telecommunications Limited (AS13205). Of our anonymity, network and service databases, it is in Hosting IP.

7 of 22 address-keyed databases hold it

Summary
Company
BT Dual Site Internet
Registered to
BT Dual Site Internet
Network type
Hosting
Abuse contact
protect@bt.com
Anycast
No

Anonymity

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

1 of 8 hold it
Confidence
medium
Last seen
2026-09-30

Ownership

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

4 of 6 hold it
Company
BT Dual Site Internet
Domain
bt.com
Type
ISP
Registered in
The Netherlands
AS number
AS13205
Name
British Telecommunications Limited
RPKI
not found
Type
Hosting
Registered in
United Kingdom
Name
BT Dual Site Internet
Handle
BT-ICH-BEN
Status
ASSIGNED PA
Registry
ripe
Domain
bt.com
Name
BT Corporate Registry
Address
British Telecommunications, 81 Newgate Street, London GB
Network
78.109.0.0-78.109.15.255
Not seen inIP RWHOISIP RDNS

Geolocation

Where the address is, and what that place uses.

2 of 2 hold it
City
Rotterdam
Region
South Holland
Postal code
3011
Continent
Europe
Coordinates
51.9225, 4.4792
Timezone
Europe/Amsterdam

Network

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

0 of 3 hold it

Services

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

0 of 3 hold it
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.