Autonomous System
AS8468 Cityfibre Limited
ISPActiveUnited KingdomRIPE
AS8468 (ENTANET) is an ISP network operated by Cityfibre Limited in United Kingdom, registered with RIPE. It has 44 IPv4 prefixes with 359,424 addresses and 3 IPv6 prefixes, which makes it the 833rd largest of 82,141 active autonomous systems by IPv4 space.
IPv4 addresses359,424in 44 prefixes
IPv6 prefixes3≈ 1.3 × 10³⁰ addresses
Size rank#833of 82,141 active ASNs
Details
OrganizationCityfibre Limited
AS nameENTANET
Websitecityfibre.com
Country United Kingdom (GB)
Network typeISP
RegistryRIPE
Abuse contactabuse@cityfibre.com
Registered2002-09-19
Last updated2026-10-01
IPv4 prefixes
44 prefixes · 359,424 addresses| Network | Addresses | First – last address |
|---|---|---|
| 78.32.0.0/15 | 131,072 | 78.32.0.0 – 78.33.255.255 |
| 87.127.0.0/16 | 65,536 | 87.127.0.0 – 87.127.255.255 |
| 188.39.0.0/16 | 65,536 | 188.39.0.0 – 188.39.255.255 |
| 84.45.128.0/17 | 32,768 | 84.45.128.0 – 84.45.255.255 |
| 62.249.192.0/18 | 16,384 | 62.249.192.0 – 62.249.255.255 |
| 81.31.96.0/19 | 8,192 | 81.31.96.0 – 81.31.127.255 |
| 109.224.160.0/19 | 8,192 | 109.224.160.0 – 109.224.191.255 |
| 195.74.96.0/19 | 8,192 | 195.74.96.0 – 195.74.127.255 |
| 79.143.144.0/20 | 4,096 | 79.143.144.0 – 79.143.159.255 |
| 46.254.0.0/21 | 2,048 | 46.254.0.0 – 46.254.7.255 |
| 156.67.248.0/21 | 2,048 | 156.67.248.0 – 156.67.255.255 |
| 95.141.152.0/22 | 1,024 | 95.141.152.0 – 95.141.155.255 |
| 156.67.244.0/22 | 1,024 | 156.67.244.0 – 156.67.247.255 |
| 178.16.224.0/22 | 1,024 | 178.16.224.0 – 178.16.227.255 |
| 185.101.148.0/22 | 1,024 | 185.101.148.0 – 185.101.151.255 |
| 185.129.72.0/22 | 1,024 | 185.129.72.0 – 185.129.75.255 |
| 185.220.12.0/22 | 1,024 | 185.220.12.0 – 185.220.15.255 |
| 193.37.208.0/22 | 1,024 | 193.37.208.0 – 193.37.211.255 |
| 88.83.118.0/23 | 512 | 88.83.118.0 – 88.83.119.255 |
| 88.83.124.0/23 | 512 | 88.83.124.0 – 88.83.125.255 |
| 156.67.242.0/23 | 512 | 156.67.242.0 – 156.67.243.255 |
| 185.129.74.0/23 | 512 | 185.129.74.0 – 185.129.75.255 |
| 185.146.44.0/23 | 512 | 185.146.44.0 – 185.146.45.255 |
| 195.80.14.0/23 | 512 | 195.80.14.0 – 195.80.15.255 |
| 88.83.96.0/24 | 256 | 88.83.96.0 – 88.83.96.255 |
78.32.0.0/15 87.127.0.0/16 188.39.0.0/16 84.45.128.0/17 62.249.192.0/18 81.31.96.0/19 109.224.160.0/19 195.74.96.0/19 79.143.144.0/20 46.254.0.0/21 156.67.248.0/21 95.141.152.0/22 156.67.244.0/22 178.16.224.0/22 185.101.148.0/22 185.129.72.0/22 185.220.12.0/22 193.37.208.0/22 88.83.118.0/23 88.83.124.0/23 156.67.242.0/23 185.129.74.0/23 185.146.44.0/23 195.80.14.0/23 88.83.96.0/24
The 25 largest of 44. The API and the database have all of them.
IPv6 prefixes
3 prefixes- 2001:4d48::/29
- 2a05:8940::/29
- 2001:4d48::/32
2001:4d48::/29 2a05:8940::/29 2001:4d48::/32
Query AS8468 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=AS8468&key=YOUR_API_KEY"Any address in its prefixes resolves to AS8468, with or without a key:
curl "https://api.ipapi.is/?q=78.32.0.1"