Autonomous System
AS13037 Zen Internet Ltd
ISPActiveUnited KingdomRIPE
AS13037 (ZEN-AS) is an ISP network operated by Zen Internet Ltd in United Kingdom, registered with RIPE. It has 37 IPv4 prefixes with 527,616 addresses and 1 IPv6 prefix, which makes it the 662nd largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses527,616in 37 prefixes
IPv6 prefixes1≈ 6.3 × 10²⁹ addresses
Size rank#662of 82,200 active ASNs
Details
OrganizationZen Internet Ltd
AS nameZEN-AS
Websitezen.co.uk
Country United Kingdom (GB)
Network typeISP
RegistryRIPE
Abuse contactabuse@zen.co.uk
Registered2002-09-20
Last updated2023-08-02
IPv4 prefixes
37 prefixes · 527,616 addresses| Network | Addresses | First – last address |
|---|---|---|
| 82.68.0.0/15 | 131,072 | 82.68.0.0 – 82.69.255.255 |
| 51.148.0.0/16 | 65,536 | 51.148.0.0 – 51.148.255.255 |
| 51.155.0.0/16 | 65,536 | 51.155.0.0 – 51.155.255.255 |
| 82.71.0.0/16 | 65,536 | 82.71.0.0 – 82.71.255.255 |
| 217.155.0.0/16 | 65,536 | 217.155.0.0 – 217.155.255.255 |
| 62.3.64.0/18 | 16,384 | 62.3.64.0 – 62.3.127.255 |
| 77.104.128.0/18 | 16,384 | 77.104.128.0 – 77.104.191.255 |
| 88.97.0.0/18 | 16,384 | 88.97.0.0 – 88.97.63.255 |
| 146.66.64.0/18 | 16,384 | 146.66.64.0 – 146.66.127.255 |
| 88.98.32.0/19 | 8,192 | 88.98.32.0 – 88.98.63.255 |
| 88.98.64.0/19 | 8,192 | 88.98.64.0 – 88.98.95.255 |
| 88.98.128.0/19 | 8,192 | 88.98.128.0 – 88.98.159.255 |
| 212.23.0.0/19 | 8,192 | 212.23.0.0 – 212.23.31.255 |
| 88.97.64.0/20 | 4,096 | 88.97.64.0 – 88.97.79.255 |
| 88.97.96.0/20 | 4,096 | 88.97.96.0 – 88.97.111.255 |
| 88.98.0.0/20 | 4,096 | 88.98.0.0 – 88.98.15.255 |
| 88.98.176.0/20 | 4,096 | 88.98.176.0 – 88.98.191.255 |
| 188.122.32.0/20 | 4,096 | 188.122.32.0 – 188.122.47.255 |
| 88.98.24.0/21 | 2,048 | 88.98.24.0 – 88.98.31.255 |
| 88.98.160.0/21 | 2,048 | 88.98.160.0 – 88.98.167.255 |
| 188.122.48.0/21 | 2,048 | 188.122.48.0 – 188.122.55.255 |
| 88.97.88.0/22 | 1,024 | 88.97.88.0 – 88.97.91.255 |
| 88.98.172.0/22 | 1,024 | 88.98.172.0 – 88.98.175.255 |
| 185.81.232.0/22 | 1,024 | 185.81.232.0 – 185.81.235.255 |
| 185.183.100.0/22 | 1,024 | 185.183.100.0 – 185.183.103.255 |
82.68.0.0/15 51.148.0.0/16 51.155.0.0/16 82.71.0.0/16 217.155.0.0/16 62.3.64.0/18 77.104.128.0/18 88.97.0.0/18 146.66.64.0/18 88.98.32.0/19 88.98.64.0/19 88.98.128.0/19 212.23.0.0/19 88.97.64.0/20 88.97.96.0/20 88.98.0.0/20 88.98.176.0/20 188.122.32.0/20 88.98.24.0/21 88.98.160.0/21 188.122.48.0/21 88.97.88.0/22 88.98.172.0/22 185.81.232.0/22 185.183.100.0/22
The 25 largest of 37. The API and the database have all of them.
IPv6 prefixes
1 prefix- 2a02:8010::/29
2a02:8010::/29
Query AS13037 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=AS13037&key=YOUR_API_KEY"Any address in its prefixes resolves to AS13037, with or without a key:
curl "https://api.ipapi.is/?q=82.68.0.1"