AS20539 TCRS-AS Technical Centre Radio Systems Ltd.

TCRS-AS Technical Centre Radio Systems Ltd. · registered in Ukraine

IPv4 addresses12,8008 prefixes · <0.001% of announced IPv4

Rank in Ukraine#81largest network in UA by IPv4 space, of 1,527 · 0.16% of UA

Rank worldwide#7,957of 79,396 networks with IPv4

IPv64,096 x /481 prefixes

CountryUkraine1,564 ASNs registered there

Open AS20539 in ASN lookup Look up an IP in this network (31.135.128.1) All networks in Ukraine

IPv4 prefixes

All 8 prefixes, in address order.

31.135.128.0/20
31.135.144.0/21
31.135.152.0/22
31.135.156.0/22
91.201.224.0/22
94.199.160.0/21
193.178.228.0/23
194.146.228.0/22

IPv6 prefixes

All 1 prefix.

2a02:680:8000::/36

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IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources