AS211025 OPTOTECH-AS OPTO-TECH GRZEGORZ WROBLEWSKI

OPTOTECH-AS OPTO-TECH GRZEGORZ WROBLEWSKI · registered in Poland

IPv4 addresses2,8168 prefixes · <0.001% of announced IPv4

Rank in Poland#422largest network in PL by IPv4 space, of 2,091 · 0.01% of PL

Rank worldwide#19,564of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryPoland2,145 ASNs registered there

Open AS211025 in ASN lookup Look up an IP in this network (88.220.58.1) All networks in Poland

IPv4 prefixes

All 8 prefixes, in address order.

88.220.58.0/24
92.55.208.0/23
195.136.70.0/24
213.155.169.0/24
213.155.170.0/23
213.155.177.0/24
213.155.181.0/24
213.155.186.0/23

Similar-sized networks in Poland

ASNNameIPv4 addresses

AS199296#419 VSpace-AS Maciej Wasiuta trading as VIRTUAL SPACE2,816

AS205384#420 WI-HURA WI-HURA.NET Sp. z o.o.2,816

AS208348#421 DOMYNET-AS DomyNet Sp. z o.o.2,816

AS47755#423 TEMPUS-TELECOM-AS Wojciech Jerzy Winkel trading as "Tempus Telecom"2,560

AS60534#424 LAGUNA-AS Laguna sp. z o.o.2,560

AS209208#425 pobieda-as Marcin Pobieda trading as POBIEDA.PL2,560

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