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AS21143
AS21143 TULSUISP Tula State University
TULSUISP Tula State University · registered in Russia
IPv4 addresses 5,120 2 prefixes · <0.001% of announced IPv4
Rank in Russia #807 largest network in RU by IPv4 space, of 4,937 · 0.01% of RU
Rank worldwide #13,624 of 79,396 networks with IPv4
IPv6 none no IPv6 routes announced
Country Russia 4,993 ASNs registered there
IPv4 prefixes
All 2 prefixes, in address order.
80.78.192.0/20 185.165.224.0/22
Similar-sized networks in Russia
ASN Name IPv4 addresses
AS15428 #804 DAGNET-AS DagNet Ltd.5,120
AS15886 #805 Rekkon-AS Ltd. Konnektika5,120
AS21135 #806 MTT-AS JSC Multiregional Transittelecom5,120
AS29303 #808 PIC-AS Perm Internet Company LLC5,120
AS30729 #809 TRANSFER-AS TRANSFER Ltd.5,120
AS30767 #810 TAGILTELECOM-AS JSC Tagil Telecom5,120
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