AS39815 ULBS-AS "Lucian Blaga" University of Sibiu

ULBS-AS "Lucian Blaga" University of Sibiu · registered in Romania

IPv4 addresses1,0243 prefixes · <0.001% of announced IPv4

Rank in Romania#230largest network in RO by IPv4 space, of 900 · 0.01% of RO

Rank worldwide#37,355of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryRomania917 ASNs registered there

Open AS39815 in ASN lookup Look up an IP in this network (77.81.184.1) All networks in Romania

IPv4 prefixes

All 3 prefixes, in address order.

77.81.184.0/23
193.226.29.0/24
194.169.191.0/24

Similar-sized networks in Romania

ASNNameIPv4 addresses

AS35161#227 TCVNET-AS TCV NET CONSULTING SRL1,024

AS35413#228 SL-NETWORKS SL Networks SRL1,024

AS35775#229 ACTIVESOFT-AS ACTIVE SOFT SRL1,024

AS41537#231 C-SOLUTION-AS SC C Solution SRL1,024

AS41635#232 LIVEHOSTING-AS LIVEHOSTING DATACENTER SRL1,024

AS41763#233 CRISTEA-TELECOM-SYSTEM-SRL CRISTEA TELECOM SYSTEM SRL1,024

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