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AS31011
AS31011 UCTM-AS University of Chemical Technology And Metallurgy
UCTM-AS University of Chemical Technology And Metallurgy · registered in Bulgaria
IPv4 addresses 1,024 1 prefixes · <0.001% of announced IPv4
Rank in Bulgaria #239 largest network in BG by IPv4 space, of 669 · 0.03% of BG
Rank worldwide #37,003 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
Country Bulgaria 675 ASNs registered there
IPv4 prefixes
All 1 prefix, in address order.
Similar-sized networks in Bulgaria
ASN Name IPv4 addresses
AS20682 #236 BGONE-AS BG ONE Ltd1,024
AS29210 #238 INTERNEWS-BG Internews 98 OOD1,024
AS34395 #240 CYBCOM-NET-AS-BG Elcomp 68 Ltd1,024
AS35448 #241 MultiLink Multilink Ltd.1,024
AS39163 #242 ECONT-Express-AS Econt Express OOD.1,024
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