Autonomous System

AS41435 UnderNet LLC

ISPActiveUkraineRIPE

AS41435 (UNDERNET-AS1) is an ISP network operated by UnderNet LLC in Ukraine, registered with RIPE. It has 6 IPv4 prefixes with 24,064 addresses and 8 IPv6 prefixes, which makes it the 6,191st largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses24,064in 6 prefixes
IPv6 prefixes8≈ 6.3 × 10²⁹ addresses
Size rank#6,191of 82,200 active ASNs
Abuser scoreLow0.45% of its addresses flagged · method

Details

OrganizationUnderNet LLC
AS nameUNDERNET-AS1
Websiteunder.net.ua
Country Ukraine (UA)
Network typeISP
RegistryRIPE
Abuse contactabuse@under.net.ua
Registered2006-08-21
Last updated2025-11-03

IPv4 prefixes

6 prefixes · 24,064 addresses
NetworkAddressesFirst – last address
176.104.0.0/1816,384176.104.0.0 – 176.104.63.255
79.110.128.0/204,09679.110.128.0 – 79.110.143.255
79.110.128.0/221,02479.110.128.0 – 79.110.131.255
79.110.132.0/221,02479.110.132.0 – 79.110.135.255
91.193.32.0/221,02491.193.32.0 – 91.193.35.255
194.9.36.0/23512194.9.36.0 – 194.9.37.255

IPv6 prefixes

8 prefixes
  • 2a0d:9880::/32
  • 2a0d:9881::/32
  • 2a0d:9882::/32
  • 2a0d:9883::/32
  • 2a0d:9884::/32
  • 2a0d:9885::/32
  • 2a0d:9886::/32
  • 2a0d:9887::/32

Query AS41435 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=AS41435&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS41435, with or without a key:

curl "https://api.ipapi.is/?q=176.104.0.1"

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