AS15611 IROST-AS Iranian Research Organization for Science & Technology

IROST-AS Iranian Research Organization for Science & Technology · registered in Iran

IPv4 addresses3,0728 prefixes · <0.001% of announced IPv4

Rank in Iran#119largest network in IR by IPv4 space, of 569 · 0.03% of IR

Rank worldwide#18,592of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryIran583 ASNs registered there

Open AS15611 in ASN lookup Look up an IP in this network (62.60.136.1) All networks in Iran

IPv4 prefixes

All 8 prefixes, in address order.

62.60.136.0/23
62.60.139.0/24
62.60.140.0/24
62.60.142.0/24
62.60.145.0/24
213.176.4.0/23
213.176.122.0/23
213.176.124.0/23

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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