AS54721 NGEN Networks

AS-NGEN - NGEN Networks · registered in the United States

IPv4 addresses5121 prefixes · <0.001% of announced IPv4

Rank in United States#10,307largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#47,893of 79,396 networks with IPv4

IPv65 x /485 prefixes

CountryUnited States18,679 ASNs registered there

Open AS54721 in ASN lookup Look up an IP in this network (23.163.128.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

23.163.128.0/23

IPv6 prefixes

All 5 prefixes.

2602:fef4::/48
2602:fef4:200::/48
2602:fef4:300::/48
2602:fef4:400::/48
2602:fef4:500::/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