Autonomous System

AS20539 Technical Centre Radio Systems Ltd.

ISPActiveUkraineRIPE

AS20539 (TCRS-AS) is an ISP network operated by Technical Centre Radio Systems Ltd. in Ukraine, registered with RIPE. It has 21 IPv4 prefixes with 22,528 addresses and 1 IPv6 prefix, which makes it the 6,390th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses22,528in 21 prefixes
IPv6 prefixes1≈ 5.0 × 10²⁷ addresses
Size rank#6,390of 82,200 active ASNs
Abuser scoreElevated1.61% of its addresses flagged · method

Details

OrganizationTechnical Centre Radio Systems Ltd.
AS nameTCRS-AS
Websiters.net.ua
Country Ukraine (UA)
Network typeISP
RegistryRIPE
Abuse contactabuse@rs.net.ua
Registered2002-04-09
Last updated2024-06-19

IPv4 prefixes

21 prefixes · 22,528 addresses
NetworkAddressesFirst – last address
31.135.128.0/198,19231.135.128.0 – 31.135.159.255
31.135.128.0/212,04831.135.128.0 – 31.135.135.255
31.135.136.0/212,04831.135.136.0 – 31.135.143.255
94.199.160.0/212,04894.199.160.0 – 94.199.167.255
31.135.144.0/221,02431.135.144.0 – 31.135.147.255
31.135.148.0/221,02431.135.148.0 – 31.135.151.255
91.201.224.0/221,02491.201.224.0 – 91.201.227.255
194.146.228.0/221,024194.146.228.0 – 194.146.231.255
31.135.152.0/2351231.135.152.0 – 31.135.153.255
31.135.154.0/2351231.135.154.0 – 31.135.155.255
193.178.228.0/23512193.178.228.0 – 193.178.229.255
91.201.224.0/2425691.201.224.0 – 91.201.224.255
91.201.225.0/2425691.201.225.0 – 91.201.225.255
91.201.226.0/2425691.201.226.0 – 91.201.226.255
91.201.227.0/2425691.201.227.0 – 91.201.227.255
193.178.228.0/24256193.178.228.0 – 193.178.228.255
193.178.229.0/24256193.178.229.0 – 193.178.229.255
194.146.228.0/24256194.146.228.0 – 194.146.228.255
194.146.229.0/24256194.146.229.0 – 194.146.229.255
194.146.230.0/24256194.146.230.0 – 194.146.230.255
194.146.231.0/24256194.146.231.0 – 194.146.231.255

IPv6 prefixes

1 prefix
  • 2a02:680:8000::/36

Query AS20539 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=AS20539&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS20539, with or without a key:

curl "https://api.ipapi.is/?q=31.135.128.1"

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