AS12171 Fast Enterprises, LLC

FASTENTERPRISES - Fast Enterprises, LLC · registered in the United States

IPv4 addresses2,5606 prefixes · <0.001% of announced IPv4

Rank in United States#5,621largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#19,989of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS12171 in ASN lookup Look up an IP in this network (170.10.96.1) All networks in United States

IPv4 prefixes

All 6 prefixes, in address order.

170.10.96.0/23
170.10.99.0/24
170.10.100.0/22
170.10.104.0/24
170.10.106.0/24
170.10.108.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS12105#5618 GCN-001 - Global Enterprise Solutions, Inc.2,560

AS12147#5619 DFS-RWD - Discover Financial Services2,560

AS12152#5620 AS12152 - Ascensus, LLC.2,560

AS12223#5622 AS-EQUIVOICE-COM - MNJ Technology Services LLC2,560

AS13688#5623 PSEG - Public Service Enterprise Group2,560

AS13897#5624 CDC1 - Internet Brands Inc.2,560

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