AS396997 Blockstream USA Corporation

AS-BLOCKSTREAM - Blockstream USA Corporation · registered in the United States

IPv4 addresses5122 prefixes · <0.001% of announced IPv4

Rank in United States#10,333largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#47,988of 79,396 networks with IPv4

IPv63 x /483 prefixes

CountryUnited States18,679 ASNs registered there

Open AS396997 in ASN lookup Look up an IP in this network (23.155.96.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

23.155.96.0/24
38.129.8.0/24

IPv6 prefixes

All 3 prefixes.

2001:550:3d0a::/48
2620:54:2000::/48
2620:54:2008::/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