AS25306 INSTITUTE-ISIRAN IsIran

INSTITUTE-ISIRAN IsIran · registered in Iran

IPv4 addresses8,4489 prefixes · <0.001% of announced IPv4

Rank in Iran#59largest network in IR by IPv4 space, of 569 · 0.08% of IR

Rank worldwide#10,094of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryIran583 ASNs registered there

Open AS25306 in ASN lookup Look up an IP in this network (81.28.32.1) All networks in Iran

IPv4 prefixes

All 9 prefixes, in address order.

81.28.32.0/20
81.28.48.0/24
81.28.49.0/24
81.28.50.0/23
81.28.52.0/22
81.28.56.0/22
81.28.60.0/23
81.28.62.0/23
194.225.101.0/24

Similar-sized networks in Iran

ASNNameIPv4 addresses

AS48551#56 Sindad Sindad Network Technology PJSC8,960

AS204650#57 ErtebatateSabeteAvaArvand Toloe Rayaneh Loghman Educational and Cultural Co. LTD8,704

AS201150#58 Didehabnnet Didehban Net Company PJS8,704

AS61173#60 GWSN-AS Green Web Samaneh Novin PJSC8,192

AS197343#61 TRLCo Toloe Rayaneh Loghman Educational and Cultural Co. LTD8,192

AS209596#62 samantel Kish Cell Pars Co. (PJS)8,192

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