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
Abuser scoreLow0.49% of its addresses flagged · method

Details

OrganizationLtd. Cypher
AS nameFARLINE-AS
Country Russia (RU)
Network typeISP
RegistryRIPE
Abuse contactabuse@farline.net
Registered2007-01-22
Last updated2026-02-20

IPv4 prefixes

5 prefixes · 17,920 addresses
NetworkAddressesFirst – last address
31.135.96.0/198,19231.135.96.0 – 31.135.127.255
88.135.112.0/204,09688.135.112.0 – 88.135.127.255
178.219.160.0/204,096178.219.160.0 – 178.219.175.255
95.215.116.0/221,02495.215.116.0 – 95.215.119.255
195.110.6.0/23512195.110.6.0 – 195.110.7.255

IPv6 prefixes

1 prefix
  • 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"

Largest networks in Russia