AS401903 Crimson Pacific Networks, LLC

CRIMSON-PACIFIC-NETWORKS - Crimson Pacific Networks, LLC · registered in the United States

IPv4 addresses7683 prefixes · <0.001% of announced IPv4

Rank in United States#9,156largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#43,191of 79,396 networks with IPv4

IPv620 x /485 prefixes

CountryUnited States18,679 ASNs registered there

Open AS401903 in ASN lookup Look up an IP in this network (23.143.196.1) All networks in United States

IPv4 prefixes

All 3 prefixes, in address order.

23.143.196.0/24
66.80.6.0/24
198.178.138.0/24

IPv6 prefixes

All 5 prefixes.

2602:81c:1000::/47
2602:81c:1002::/47
2602:81c:1004::/46
2602:81c:1008::/45
2602:81c:1ff0::/46

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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