AS8030 AT&T WorldNet

WORLDNET5-10 - AT&T WorldNet · registered in the United States

IPv4 addresses190,97630 prefixes · 0.006% of announced IPv4

Rank in United States#348largest network in US by IPv4 space, of 18,338 · 0.01% of US

Rank worldwide#1,141of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS8030 in ASN lookup Look up an IP in this network (12.194.0.1) All networks in United States

IPv4 prefixes

All 30 prefixes, in address order.

12.194.0.0/16
12.253.0.0/18
32.2.128.0/18
32.7.32.0/20
32.10.0.0/18
32.21.160.0/19
32.29.128.0/18
32.29.224.0/20
32.34.252.0/22
32.35.64.0/19
32.35.104.0/21
32.35.152.0/22
32.35.156.0/24
32.37.192.0/19
32.39.128.0/19
32.49.116.0/22
32.49.240.0/22
32.49.244.0/23
32.245.192.0/23
32.245.200.0/21
32.245.208.0/20
135.42.0.0/23
135.42.2.0/24
135.42.11.0/24
135.42.12.0/24
170.141.165.0/24
170.141.221.0/24
192.20.122.0/23
192.20.124.0/22
192.20.128.0/21

Similar-sized networks in United States

ASNNameIPv4 addresses

AS14051#345 SUREWEST - Fidium195,840

AS22252#346 AS22252 - The City of New York194,304

AS46261#347 QUICKPACKET - QuickPacket, LLC194,048

AS54290#349 HOSTWINDS - Hostwinds LLC.190,720

AS13767#350 DATABANK-DFW - DataBank Holdings, Ltd.190,464

AS36647#351 YAHOO-GQ1 - Yahoo Holdings Inc.184,320

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