AS7243 HITACHI DATA SYSTEMS

HDS-AS - HITACHI DATA SYSTEMS · registered in the United States

IPv4 addresses2,3046 prefixes · <0.001% of announced IPv4

Rank in United States#5,855largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#20,819of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS7243 in ASN lookup Look up an IP in this network (207.126.240.1) All networks in United States

IPv4 prefixes

All 6 prefixes, in address order.

207.126.240.0/24
207.126.242.0/23
207.126.245.0/24
207.126.247.0/24
207.126.248.0/23
207.126.254.0/23

Similar-sized networks in United States

ASNNameIPv4 addresses

AS5182#5852 DNIC-ASBLK-05120-05376 - United States Department of Defense (DoD)2,304

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AS6077#5854 BCBSNE - Blue Cross Blue Shield of Nebraska2,304

AS7809#5856 SYNOPSYS - Synopsys Inc.2,304

AS10596#5857 JETNET - Beckman Software Engineering2,304

AS10819#5858 ICC - IFWORLD Inc.2,304

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