AS13581 SHI International Corp.

SOFTWAREHOUSE - SHI International Corp. · registered in the United States

IPv4 addresses1,5365 prefixes · <0.001% of announced IPv4

Rank in United States#6,893largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#26,259of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryUnited States18,679 ASNs registered there

Open AS13581 in ASN lookup Look up an IP in this network (199.241.104.1) All networks in United States

IPv4 prefixes

All 5 prefixes, in address order.

199.241.104.0/23
207.140.149.0/24
207.140.191.0/24
209.64.142.0/24
209.64.202.0/24

IPv6 prefixes

All 1 prefix.

2600:802:430::/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