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AS12687
AS12687 URAN User Association of Ukrainian Research and Academic Network URAN
URAN User Association of Ukrainian Research and Academic Network URAN · registered in Ukraine
IPv4 addresses 3,584 10 prefixes · <0.001% of announced IPv4
Rank in Ukraine #241 largest network in UA by IPv4 space, of 1,527 · 0.04% of UA
Rank worldwide #16,999 of 79,396 networks with IPv4
IPv6 65,533 x /48 16 prefixes
Country Ukraine 1,564 ASNs registered there
IPv4 prefixes
All 10 prefixes, in address order.
212.111.192.0/23 212.111.195.0/24 212.111.196.0/23 212.111.198.0/24 212.111.201.0/24 212.111.202.0/23 212.111.206.0/24 212.111.208.0/24 212.111.210.0/24 212.111.212.0/23
IPv6 prefixes
All 16 prefixes.
2a01:5c40::/47 2a01:5c40:2::/48 2a01:5c40:4::/47 2a01:5c40:8::/45 2a01:5c40:10::/44 2a01:5c40:20::/43 2a01:5c40:40::/42 2a01:5c40:80::/41 2a01:5c40:100::/40 2a01:5c40:200::/39 2a01:5c40:400::/38 2a01:5c40:800::/37 2a01:5c40:1000::/36 2a01:5c40:2000::/35 2a01:5c40:4000::/34 2a01:5c40:8000::/33
Other ASNs named URAN User Association of Ukrainian Research and Academic Network URAN
1 other network uses the same organisation name; together with AS12687 they announce 14,848 IPv4 addresses.
ASN Name IPv4 addresses
AS3319 URAN User Association of Ukrainian Research and Academic Network URAN UA 11,264
Similar-sized networks in Ukraine
ASN Name IPv4 addresses
AS25071 #238 RadioCom-AS RadioCom Ltd3,840
AS210421 #239 LUXLITE-AS LUX LITE LLC3,840
AS43633 #240 UA-GIGABIT Gigabit-Online LLC3,584
AS35325 #242 INCOMPLAST-SERVICE "INCOMPLAST SERVICE" LLC3,584
AS8870 #243 OVDC-AS Overseas Technologies LLC3,584
AS12998 #244 BGNET-AS BGNet LLC3,584
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