Technical Centre Radio Systems Ltd.
AS20539 is Technical Centre Radio Systems Ltd. (rs.net.ua). It announces 12,800 IPv4 addresses in 21 prefixes, and 1 IPv6 prefixes.
Ukraine· RIPE· allocated 2001-03-28· business
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Ukraine12,800 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- TCRS-AS
- name
- Technical Centre Radio Systems Ltd.
- org
- ORG-TCRS2-RIPE
- org name
- Technical Centre Radio Systems Ltd.
- org address
- 3/5 Voskresenskaya st.,, Sumy, Ukraine, 40000
- org country
- UA
- country
- UA
- source
- ripe
- status
- ASSIGNED
- created
- 2002-04-09
- updated
- 2024-06-19
- descr
- Sumy, Ukraine / ====Upstream======================= / ====Clients========================= / ====SUMY-IX======================== / ========================================== / Informational BGP communities advertised to customers: / Community attributes accepted from customers / 20539:20x - ITSystems / . / . / x = 1 prepend 1 / x = 2 prepend 2 / x = 3 prepend 3 / x = 6 prepend 6 / x = 0 do not announce / . / 20539:50 - set localpref = 50 / 20539:6666 - Blackhole community, only /32. / ======================
- remarks
- Technical support: ....................................valera@rs.net.ua / Network Operation Center: ............................noc@rs.net.ua / Corporate web site:.....................................https://rs.net.ua
- maintainer
- RIPE-NCC-END-MNT|TCRS-MNT
- abuse name
- TC Radio Systems Coordination Center
- abuse email
- abuse@rs.net.ua
- abuse phone
- +380 542 619495
- abuse kind
- role
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- VPN IP298vpngate, draytek2.33%
- Residential Proxy IP4,613smartproxy, onesproxy, geonode36.04%
- None here
- floppydata0.02%
- None here
- None here
- Hosting IP12,54498.00%
- None here
- None here
- None here
- SSH IP1981.55%
- SMTP IP230.18%
- 2.55%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 31.135.128.0/19 | Ukraine | valid | 17 | 2026-10-02 |
| 31.135.128.0/21 | Ukraine | valid | 17 | 2026-10-02 |
| 31.135.136.0/21 | Ukraine | valid | 17 | 2026-10-02 |
| 31.135.144.0/22 | Ukraine | valid | 17 | 2026-10-02 |
| 31.135.148.0/22 | Ukraine | valid | 17 | 2026-10-02 |
| 31.135.152.0/23 | Ukraine | valid | 17 | 2026-10-02 |
| 31.135.154.0/23 | Ukraine | valid | 17 | 2026-10-02 |
| 91.201.224.0/22 | Ukraine | valid | 17 | 2026-10-02 |
| 91.201.224.0/24 | Ukraine | valid | 17 | 2026-10-02 |
| 91.201.225.0/24 | Ukraine | valid | 17 | 2026-10-02 |
| 91.201.226.0/24 | Ukraine | valid | 17 | 2026-10-02 |
| 91.201.227.0/24 | Ukraine | valid | 17 | 2026-10-02 |
| 94.199.160.0/21 | Ukraine | valid | 17 | 2026-10-02 |
| 193.178.228.0/23 | Ukraine | valid | 17 | 2026-10-02 |
| 193.178.228.0/24 | Ukraine | valid | 17 | 2026-10-02 |
| 193.178.229.0/24 | Ukraine | valid | 17 | 2026-10-02 |
| 194.146.228.0/22 | Ukraine | valid | 17 | 2026-10-02 |
| 194.146.228.0/24 | Ukraine | valid | 17 | 2026-10-02 |
| 194.146.229.0/24 | Ukraine | valid | 17 | 2026-10-02 |
| 194.146.230.0/24 | Ukraine | valid | 17 | 2026-10-02 |
| 194.146.231.0/24 | Ukraine | valid | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2a02:680:8000::/36 | Ukraine | valid | 20 | 2026-10-02 |
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