AS400496 American Fiber Network, Inc.

AMERICANFIBERNET - American Fiber Network, Inc. · registered in the United States

IPv4 addresses1,0243 prefixes · <0.001% of announced IPv4

Rank in United States#7,814largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#34,819of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryUnited States18,679 ASNs registered there

Open AS400496 in ASN lookup Look up an IP in this network (23.163.112.1) All networks in United States

IPv4 prefixes

All 3 prefixes, in address order.

23.163.112.0/23
162.255.13.0/24
203.23.161.0/24

IPv6 prefixes

All 1 prefix.

2602:fd4a::/32

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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