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
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| Network | Addresses | First – last address |
|---|---|---|
| 31.135.128.0/19 | 8,192 | 31.135.128.0 – 31.135.159.255 |
| 31.135.128.0/21 | 2,048 | 31.135.128.0 – 31.135.135.255 |
| 31.135.136.0/21 | 2,048 | 31.135.136.0 – 31.135.143.255 |
| 94.199.160.0/21 | 2,048 | 94.199.160.0 – 94.199.167.255 |
| 31.135.144.0/22 | 1,024 | 31.135.144.0 – 31.135.147.255 |
| 31.135.148.0/22 | 1,024 | 31.135.148.0 – 31.135.151.255 |
| 91.201.224.0/22 | 1,024 | 91.201.224.0 – 91.201.227.255 |
| 194.146.228.0/22 | 1,024 | 194.146.228.0 – 194.146.231.255 |
| 31.135.152.0/23 | 512 | 31.135.152.0 – 31.135.153.255 |
| 31.135.154.0/23 | 512 | 31.135.154.0 – 31.135.155.255 |
| 193.178.228.0/23 | 512 | 193.178.228.0 – 193.178.229.255 |
| 91.201.224.0/24 | 256 | 91.201.224.0 – 91.201.224.255 |
| 91.201.225.0/24 | 256 | 91.201.225.0 – 91.201.225.255 |
| 91.201.226.0/24 | 256 | 91.201.226.0 – 91.201.226.255 |
| 91.201.227.0/24 | 256 | 91.201.227.0 – 91.201.227.255 |
| 193.178.228.0/24 | 256 | 193.178.228.0 – 193.178.228.255 |
| 193.178.229.0/24 | 256 | 193.178.229.0 – 193.178.229.255 |
| 194.146.228.0/24 | 256 | 194.146.228.0 – 194.146.228.255 |
| 194.146.229.0/24 | 256 | 194.146.229.0 – 194.146.229.255 |
| 194.146.230.0/24 | 256 | 194.146.230.0 – 194.146.230.255 |
| 194.146.231.0/24 | 256 | 194.146.231.0 – 194.146.231.255 |
31.135.128.0/19 31.135.128.0/21 31.135.136.0/21 94.199.160.0/21 31.135.144.0/22 31.135.148.0/22 91.201.224.0/22 194.146.228.0/22 31.135.152.0/23 31.135.154.0/23 193.178.228.0/23 91.201.224.0/24 91.201.225.0/24 91.201.226.0/24 91.201.227.0/24 193.178.228.0/24 193.178.229.0/24 194.146.228.0/24 194.146.229.0/24 194.146.230.0/24 194.146.231.0/24
IPv6 prefixes
1 prefix- 2a02:680:8000::/36
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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