AS42291 ISTRANET-AS OOO Istranet

ISTRANET-AS OOO Istranet · registered in Russia

IPv4 addresses6,1443 prefixes · <0.001% of announced IPv4

Rank in Russia#727largest network in RU by IPv4 space, of 4,937 · 0.01% of RU

Rank worldwide#12,212of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryRussia4,993 ASNs registered there

Open AS42291 in ASN lookup Look up an IP in this network (91.192.20.1) All networks in Russia

IPv4 prefixes

All 3 prefixes, in address order.

91.192.20.0/22
176.62.176.0/20
185.13.44.0/22

IPv6 prefixes

All 1 prefix.

2a01:4080::/32

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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