AS25921 LUS Fiber

LUS-FIBER-LCG - LUS Fiber · registered in the United States

IPv4 addresses60,16018 prefixes · 0.002% of announced IPv4

Rank in United States#1,401largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#3,655of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS25921 in ASN lookup Look up an IP in this network (12.152.107.1) All networks in United States

IPv4 prefixes

All 18 prefixes, in address order.

12.152.107.0/24
12.152.126.0/24
12.166.208.0/23
12.166.210.0/23
12.166.218.0/23
12.166.220.0/22
65.125.93.0/24
69.1.160.0/22
69.1.166.0/23
69.1.168.0/21
69.1.176.0/20
74.80.0.0/18
76.72.0.0/18
76.72.64.0/20
76.72.80.0/22
76.72.84.0/22
76.72.88.0/21
76.72.96.0/19

Similar-sized networks in United States

ASNNameIPv4 addresses

AS11602#1398 SDSMT-AS - South Dakota School of Mines & Technology60,416

AS25888#1399 HPINC - HP Inc.60,416

AS11955#1400 TWC-11955-ATLANTA - Charter Communications Inc60,160

AS57976#1402 BLIZZARD Blizzard Entertainment, Inc59,648

AS40317#1403 PEOPLESCOMMUNICATIONS - Peoples Communications Inc.59,648

AS396986#1404 BYTEDANCE - Bytedance Inc.59,648

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