Autonomous System
AS786 Jisc Services Limited
ISPActiveUnited KingdomRIPE
AS786 (JANET) is an ISP network operated by Jisc Services Limited in United Kingdom, registered with RIPE. It has 212 IPv4 prefixes with 6,972,160 addresses and 7 IPv6 prefixes, which makes it the 100th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses6,972,160in 212 prefixes
IPv6 prefixes7≈ 2.1 × 10³⁰ addresses
Size rank#100of 82,200 active ASNs
Details
OrganizationJisc Services Limited
AS nameJANET
Websitejisc.ac.uk
Country United Kingdom (GB)
Network typeISP
RegistryRIPE
Abuse contactirt@jisc.ac.uk
Registered2002-09-18
Last updated2026-09-23
IPv4 prefixes
212 prefixes · 6,972,160 addresses| Network | Addresses | First – last address |
|---|---|---|
| 193.60.0.0/14 | 262,144 | 193.60.0.0 – 193.63.255.255 |
| 194.80.0.0/14 | 262,144 | 194.80.0.0 – 194.83.255.255 |
| 138.250.0.0/15 | 131,072 | 138.250.0.0 – 138.251.255.255 |
| 143.52.0.0/15 | 131,072 | 143.52.0.0 – 143.53.255.255 |
| 195.194.0.0/15 | 131,072 | 195.194.0.0 – 195.195.255.255 |
| 81.87.0.0/16 | 65,536 | 81.87.0.0 – 81.87.255.255 |
| 128.16.0.0/16 | 65,536 | 128.16.0.0 – 128.16.255.255 |
| 128.40.0.0/16 | 65,536 | 128.40.0.0 – 128.40.255.255 |
| 128.86.0.0/16 | 65,536 | 128.86.0.0 – 128.86.255.255 |
| 128.232.0.0/16 | 65,536 | 128.232.0.0 – 128.232.255.255 |
| 128.240.0.0/16 | 65,536 | 128.240.0.0 – 128.240.255.255 |
| 128.243.0.0/16 | 65,536 | 128.243.0.0 – 128.243.255.255 |
| 129.11.0.0/16 | 65,536 | 129.11.0.0 – 129.11.255.255 |
| 129.12.0.0/16 | 65,536 | 129.12.0.0 – 129.12.255.255 |
| 129.31.0.0/16 | 65,536 | 129.31.0.0 – 129.31.255.255 |
| 129.67.0.0/16 | 65,536 | 129.67.0.0 – 129.67.255.255 |
| 129.169.0.0/16 | 65,536 | 129.169.0.0 – 129.169.255.255 |
| 129.215.0.0/16 | 65,536 | 129.215.0.0 – 129.215.255.255 |
| 129.234.0.0/16 | 65,536 | 129.234.0.0 – 129.234.255.255 |
| 130.88.0.0/16 | 65,536 | 130.88.0.0 – 130.88.255.255 |
| 130.159.0.0/16 | 65,536 | 130.159.0.0 – 130.159.255.255 |
| 130.209.0.0/16 | 65,536 | 130.209.0.0 – 130.209.255.255 |
| 130.246.0.0/16 | 65,536 | 130.246.0.0 – 130.246.255.255 |
| 131.111.0.0/16 | 65,536 | 131.111.0.0 – 131.111.255.255 |
| 131.227.0.0/16 | 65,536 | 131.227.0.0 – 131.227.255.255 |
193.60.0.0/14 194.80.0.0/14 138.250.0.0/15 143.52.0.0/15 195.194.0.0/15 81.87.0.0/16 128.16.0.0/16 128.40.0.0/16 128.86.0.0/16 128.232.0.0/16 128.240.0.0/16 128.243.0.0/16 129.11.0.0/16 129.12.0.0/16 129.31.0.0/16 129.67.0.0/16 129.169.0.0/16 129.215.0.0/16 129.234.0.0/16 130.88.0.0/16 130.159.0.0/16 130.209.0.0/16 130.246.0.0/16 131.111.0.0/16 131.227.0.0/16
The 25 largest of 212. The API and the database have all of them.
IPv6 prefixes
7 prefixes- 2a03:aba0::/29
- 2a0a:200::/29
- 2a0c:5bc0::/29
- 2001:630::/32
- 2a05:b400::/32
- 2001:678:718::/48
- 2a09:9180:fd::/48
2a03:aba0::/29 2a0a:200::/29 2a0c:5bc0::/29 2001:630::/32 2a05:b400::/32 2001:678:718::/48 2a09:9180:fd::/48
Query AS786 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=AS786&key=YOUR_API_KEY"Any address in its prefixes resolves to AS786, with or without a key:
curl "https://api.ipapi.is/?q=193.60.0.1"