AS47983 optimesys Cinia Oy

optimesys Cinia Oy · registered in Finland

IPv4 addresses1,0241 prefixes · <0.001% of announced IPv4

Rank in Finland#175largest network in FI by IPv4 space, of 280 · <0.01% of FI

Rank worldwide#37,741of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryFinland292 ASNs registered there

Open AS47983 in ASN lookup Look up an IP in this network (185.173.152.1) All networks in Finland

IPv4 prefixes

All 1 prefix, in address order.

185.173.152.0/22

Similar-sized networks in Finland

ASNNameIPv4 addresses

AS43161#172 AS_WISDOMIC Frendy Oy1,024

AS43499#173 DOCUMENTA-AS Innofactor Software Oy1,024

AS44146#174 asfoxcode FoxCodePlus Oy1,024

AS49397#176 SAVA-GROUP-AS Sava-Group Oy1,024

AS51726#177 STT-AS Oy Suomen Tietotoimisto - Finska Notisbyran Ab1,024

AS60903#178 TYRNAVA-AS Tyrnavan kunta1,024

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