AS49554 SIORAS-AS P.P.Shirshov Institute of Oceanology RAS

SIORAS-AS P.P.Shirshov Institute of Oceanology RAS · registered in Russia

IPv4 addresses1,5364 prefixes · <0.001% of announced IPv4

Rank in Russia#1,607largest network in RU by IPv4 space, of 4,937 · <0.01% of RU

Rank worldwide#26,294of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryRussia4,993 ASNs registered there

Open AS49554 in ASN lookup Look up an IP in this network (91.225.112.1) All networks in Russia

IPv4 prefixes

All 4 prefixes, in address order.

91.225.112.0/23
91.225.114.0/23
193.232.202.0/24
193.232.213.0/24

IPv6 prefixes

All 1 prefix.

2001:678:c00::/48

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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