AS399970 ARIN Routing Security

ARIN-RS-RND - ARIN Routing Security · registered in the United States

IPv4 addresses1,0241 prefixes · <0.001% of announced IPv4

Rank in United States#7,812largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#34,816of 79,396 networks with IPv4

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

CountryUnited States18,679 ASNs registered there

Open AS399970 in ASN lookup Look up an IP in this network (149.112.152.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

149.112.152.0/22

IPv6 prefixes

All 1 prefix.

2602:fc3b::/32

Similar-sized networks in United States

ASNNameIPv4 addresses

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AS399871#7811 HFL-NETWORKS - HFL Networks LLC1,024

AS400338#7813 GIGABEAM-INTERNET - Gigabeam Internet1,024

AS400496#7814 AMERICANFIBERNET - American Fiber Network, Inc.1,024

AS17330#7815 FIREEYE-AS - Trellix1,024

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