AS13205 is the autonomous system of British Telecommunications PLC. It holds 16,896 IPv4 addresses in 4 prefixes, mainly in 
Netherlands.
By IPv4 addresses the network ranks #6,746 worldwide and #121 of 1,310 networks in Netherlands. That is 0.03% of the country’s IPv4 space.
The network spreads across 2 countries: Netherlands 52%, United Kingdom 48%.
The largest block is 217.140.32.0 to 217.140.63.255 with 8,192 addresses, geolocated to London.
- IPv4 addresses
- 16,896
- IPv4 prefixes
- 4
- World rank
- #6,746
- Country share
- 0.03%
Addresses by country
- Netherlands 52%
United Kingdom 48%
Largest blocks
- 217.140.32.0 London8,192
- 217.140.0.0 Amsterdam4,096
- 78.109.0.0 Amsterdam4,096
- 31.11.56.0 Amsterdam512
Networks of similar size
- AS11286 KeyBank National Association
16,896 - AS38701 Piranha Systems
16,896 - AS19194 Sentris Network LLC16,896
- AS50606 Horyzont Technologie Internetowe sp.z.o.o.
16,896 - AS35637 WAOO A/S
16,896 - AS15497 1 Cloud Lab s.r.o.
16,896 - AS20677 imos Gesellschaft fuer Internet-Marketing und Online-Services mbH
16,896 - AS51522 ONLINE LLC
16,896
IPv4 prefixes
Questions and answers
Who owns AS13205?
Autonomous system AS13205 is operated by British Telecommunications PLC.
How many IP addresses does AS13205 have?
The network holds 16,896 IPv4 addresses in 4 prefixes.
Which country is AS13205 in?
The main country is Netherlands, with addresses in 1 more countries.
How big is AS13205?
By IPv4 addresses it ranks #6,746 worldwide.
What is the largest address block of AS13205?
217.140.32.0 to 217.140.63.255, 8,192 addresses.