AS12639 MARKASON-AS MARKASON LTD

MARKASON-AS MARKASON LTD · registered in Ukraine

IPv4 addresses7682 prefixes · <0.001% of announced IPv4

Rank in Ukraine#675largest network in UA by IPv4 space, of 1,527 · <0.01% of UA

Rank worldwide#43,775of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUkraine1,564 ASNs registered there

Open AS12639 in ASN lookup Look up an IP in this network (91.231.99.1) All networks in Ukraine

IPv4 prefixes

All 2 prefixes, in address order.

91.231.99.0/24
194.31.248.0/23

Similar-sized networks in Ukraine

ASNNameIPv4 addresses

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AS8207#674 AS8207 PRIVATE JOINT STOCK COMPANY "DATAGROUP"768

AS21257#676 CDNnet-as TOV IT-Park768

AS29213#677 GULAN-AS Neonet Ltd768

AS29496#678 LINK-SERVICE-AS Link-Service Ltd.768

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