AS393456 United States Steel Corporation

X - United States Steel Corporation · registered in the United States

IPv4 addresses1,0244 prefixes · <0.001% of announced IPv4

Rank in United States#8,818largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#42,169of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS393456 in ASN lookup Look up an IP in this network (170.4.0.1) All networks in United States

IPv4 prefixes

All 4 prefixes, in address order.

170.4.0.0/24
170.191.0.0/24
170.191.2.0/24
199.248.185.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS393415#8815 LITTNET - LITTLER MENDELSON, P.C.1,024

AS393446#8816 ALPHACORE-NETWORK - AlphaCore Network LLC1,024

AS393455#8817 MNWIFI - Minnesota WiFi1,024

AS393464#8819 ALLCONNECTED - ALLCONNECTED, INC.1,024

AS393496#8820 OMNIHOTELS - OMNI HOTELS MANAGEMENT CORPORATION1,024

AS393506#8821 MYCOMUS-AS - MY.COM US, INC.1,024

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