AS21077
Specialist Computer Centres Plc
AS 21077 ISP4BAS
Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.
| ASN | 21077 |
|---|---|
| Name | ISP4BAS |
| Organization | Specialist Computer Centres Plc |
| Country | United Kingdom |
| Registry | RIPE NCC |
IPv4 Prefixes for AS21077
| Network | Location | Addresses | |
|---|---|---|---|
| 185.106.220.0/22 | Specialist Computer Centres Plc |  London |
1,024 |
| 185.106.220.0/24 | Specialist Computer Centres Plc | London |
256 |
| 185.106.221.0/24 | Specialist Computer Centres Plc | London |
256 |
| 185.106.222.0/23 | Specialist Computer Centres Plc | London |
512 |
| 185.106.222.0/24 | Specialist Computer Centres Plc | London |
256 |
| 185.106.223.0/24 | Specialist Computer Centres Plc | Birmingham (Tyseley) |
256 |
| 185.148.4.0/24 | Marks and Spencer Group PLC | Hayes |
256 |
| 185.98.180.0/22 | Specialist Computer Centres Plc | Birmingham (Tyseley) |
1,024 |
| 185.98.180.0/24 | Specialist Computer Centres Plc | Birmingham (Tyseley) |
256 |
| 185.98.181.0/24 | Specialist Computer Centres Plc | Birmingham (Tyseley) |
256 |
| 185.98.182.0/24 | SCC Public | London |
256 |
| 193.24.28.0/24 | Specialist Computer Centres Plc | Birmingham |
256 |
| 80.86.32.0/20 | Specialist Computer Centres Plc | London |
4,096 |