AS57873 SONICTEST SONICTEST Ltd.

SONICTEST SONICTEST Ltd. · registered in Estonia

IPv4 addresses3,0722 prefixes · <0.001% of announced IPv4

Rank in Estonia#40largest network in EE by IPv4 space, of 173 · 0.22% of EE

Rank worldwide#18,859of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryEstonia183 ASNs registered there

Open AS57873 in ASN lookup Look up an IP in this network (37.143.64.1) All networks in Estonia

IPv4 prefixes

All 2 prefixes, in address order.

37.143.64.0/21
185.14.216.0/22

Similar-sized networks in Estonia

ASNNameIPv4 addresses

AS57201#37 EDF-AS Estonian Defence Forces4,096

AS218648#38 MasterBase MasterBase OU3,584

AS198776#39 Edelaraudtee EDELARAUDTEE AS3,072

AS196743#41 interframe OU Interframe3,072

AS12757#42 IPTRON IPTRON.NET OU2,816

AS39038#43 KERNEL-AS Kernel AS2,560

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