AS21077 is the autonomous system of Specialist Computer Centres Plc. It holds 6,400 IPv4 addresses in 6 prefixes, mainly in 
United Kingdom.
By IPv4 addresses the network ranks #12,028 worldwide and #339 of 1,931 networks in United Kingdom.
The largest block is 80.86.32.0 to 80.86.47.255 with 4,096 addresses, geolocated to London.
- IPv4 addresses
- 6,400
- IPv4 prefixes
- 6
- World rank
- #12,028
Addresses by country
- United Kingdom 100%
Largest blocks
- 80.86.32.0 London4,096
- 185.106.220.0 Birmingham (Tyseley)1,024
- 185.98.180.0 Birmingham (Tyseley)768
- 193.24.28.0 Birmingham (Tyseley)256
- 185.148.4.0 Hayes256
Networks of similar size
6,400
6,400
6,400
6,400
6,400
6,400IPv4 prefixes
Questions and answers
Who owns AS21077?
Autonomous system AS21077 is operated by Specialist Computer Centres Plc.
How many IP addresses does AS21077 have?
The network holds 6,400 IPv4 addresses in 6 prefixes.
Which country is AS21077 in?
The main country is United Kingdom.
How big is AS21077?
By IPv4 addresses it ranks #12,028 worldwide.
What is the largest address block of AS21077?
80.86.32.0 to 80.86.47.255, 4,096 addresses.