Autonomous System
AS34555 C.C.S. (Leeds) Ltd
ISPActiveUnited KingdomRIPE
AS34555 (CCS-Leeds-ASN) is an ISP network operated by C.C.S. (Leeds) Ltd in United Kingdom, registered with RIPE. It has 17 IPv4 prefixes with 21,504 addresses and 1 IPv6 prefix, which makes it the 6,556th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses21,504in 17 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#6,556of 82,200 active ASNs
Details
OrganizationC.C.S. (Leeds) Ltd
AS nameCCS-Leeds-ASN
Websiteccsleeds.co.uk
Country United Kingdom (GB)
Network typeISP
RegistryRIPE
Abuse contactsystemabuse@ccsleeds.co.uk
Registered2008-04-01
Last updated2025-12-29
IPv4 prefixes
17 prefixes · 21,504 addresses| Network | Addresses | First – last address |
|---|---|---|
| 78.158.32.0/20 | 4,096 | 78.158.32.0 – 78.158.47.255 |
| 194.12.0.0/20 | 4,096 | 194.12.0.0 – 194.12.15.255 |
| 31.6.72.0/21 | 2,048 | 31.6.72.0 – 31.6.79.255 |
| 77.95.176.0/21 | 2,048 | 77.95.176.0 – 77.95.183.255 |
| 178.248.32.0/21 | 2,048 | 178.248.32.0 – 178.248.39.255 |
| 188.92.232.0/21 | 2,048 | 188.92.232.0 – 188.92.239.255 |
| 91.203.72.0/22 | 1,024 | 91.203.72.0 – 91.203.75.255 |
| 185.4.240.0/22 | 1,024 | 185.4.240.0 – 185.4.243.255 |
| 185.7.148.0/22 | 1,024 | 185.7.148.0 – 185.7.151.255 |
| 31.24.216.0/24 | 256 | 31.24.216.0 – 31.24.216.255 |
| 31.24.217.0/24 | 256 | 31.24.217.0 – 31.24.217.255 |
| 31.24.218.0/24 | 256 | 31.24.218.0 – 31.24.218.255 |
| 31.24.219.0/24 | 256 | 31.24.219.0 – 31.24.219.255 |
| 31.24.220.0/24 | 256 | 31.24.220.0 – 31.24.220.255 |
| 31.24.221.0/24 | 256 | 31.24.221.0 – 31.24.221.255 |
| 31.24.222.0/24 | 256 | 31.24.222.0 – 31.24.222.255 |
| 31.24.223.0/24 | 256 | 31.24.223.0 – 31.24.223.255 |
78.158.32.0/20 194.12.0.0/20 31.6.72.0/21 77.95.176.0/21 178.248.32.0/21 188.92.232.0/21 91.203.72.0/22 185.4.240.0/22 185.7.148.0/22 31.24.216.0/24 31.24.217.0/24 31.24.218.0/24 31.24.219.0/24 31.24.220.0/24 31.24.221.0/24 31.24.222.0/24 31.24.223.0/24
IPv6 prefixes
1 prefix- 2a01:5e40::/32
2a01:5e40::/32
Query AS34555 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS34555&key=YOUR_API_KEY"Any address in its prefixes resolves to AS34555, with or without a key:
curl "https://api.ipapi.is/?q=78.158.32.1"