Autonomous System
AS42239 Ltd. Cypher
ISPActiveRussiaRIPE
AS42239 (FARLINE-AS) is an ISP network operated by Ltd. Cypher in Russia, registered with RIPE. It has 5 IPv4 prefixes with 17,920 addresses and 1 IPv6 prefix, which makes it the 7,308th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses17,920in 5 prefixes
IPv6 prefixes1≈ 1.2 × 10²⁴ addresses
Size rank#7,308of 82,200 active ASNs
Details
OrganizationLtd. Cypher
AS nameFARLINE-AS
Websitefarline.net
Country Russia (RU)
Network typeISP
RegistryRIPE
Abuse contactabuse@farline.net
Registered2007-01-22
Last updated2026-02-20
IPv4 prefixes
5 prefixes · 17,920 addresses| Network | Addresses | First – last address |
|---|---|---|
| 31.135.96.0/19 | 8,192 | 31.135.96.0 – 31.135.127.255 |
| 88.135.112.0/20 | 4,096 | 88.135.112.0 – 88.135.127.255 |
| 178.219.160.0/20 | 4,096 | 178.219.160.0 – 178.219.175.255 |
| 95.215.116.0/22 | 1,024 | 95.215.116.0 – 95.215.119.255 |
| 195.110.6.0/23 | 512 | 195.110.6.0 – 195.110.7.255 |
31.135.96.0/19 88.135.112.0/20 178.219.160.0/20 95.215.116.0/22 195.110.6.0/23
IPv6 prefixes
1 prefix- 2001:678:57c::/48
2001:678:57c::/48
Query AS42239 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=AS42239&key=YOUR_API_KEY"
Any address in its prefixes resolves to AS42239, with or without a key:
curl "https://api.ipapi.is/?q=31.135.96.1"