AS401847 321 Communications, Inc.

321-WLCS-ASN - 321 Communications, Inc. · registered in the United States

IPv4 addresses5122 prefixes · <0.001% of announced IPv4

Rank in United States#10,395largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#48,211of 79,396 networks with IPv4

IPv62 x /482 prefixes

CountryUnited States18,679 ASNs registered there

Open AS401847 in ASN lookup Look up an IP in this network (23.142.140.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

23.142.140.0/24
38.58.195.0/24

IPv6 prefixes

All 2 prefixes.

2001:550:5607::/48
2602:f5ca:f::/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