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Organization

AT&T WorldNet

IPv4 addresses
190,976
CIDR ranges
30
Category
isp
BGP prefixes announced
50

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

70/100
Moderate
How this score is built
  • Baseline (neutral) 65
  • Isp allocation +5
  • Trust score 70 / 100

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

About AT&T

AT&T Inc., an abbreviation of its predecessor's original name, the American Telephone and Telegraph Company, is an American multinational telecommunications company headquartered at the Whitacre Tower in Downtown Dallas, Texas. AT&T is the world's third-largest telecommunications company by revenue, the third-largest wireless carrier in the United States behind T-Mobile and Verizon, and the nation's largest fiber internet provider.

Founded
1983
Headquarters
San Antonio
Industry
telecommunications
Employees
273,000

Countries served by AT&T WorldNet

Every country where this organization has IPv4 allocations, ranked by IPs held.

ASNs owned by AT&T WorldNet

ASNNameIPsPrefixesCountry
AS8030 AT&T WorldNet 191.0K 30 US

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
12.194.0.0/16 65.5K
0.0%
AS8030 US Georgia Atlanta
12.253.0.0/18 16.4K
0.0%
AS8030 US California San Diego
32.2.128.0/18 16.4K
0.0%
AS8030 US
32.10.0.0/18 16.4K
0.0%
AS8030 US
32.29.128.0/18 16.4K
0.0%
AS8030 US
32.21.160.0/19 8.2K
0.4%
AS8030 US
32.35.64.0/19 8.2K
0.0%
AS8030 US Georgia Atlanta
32.37.192.0/19 8.2K
0.0%
AS8030 US
32.39.128.0/19 8.2K
0.0%
AS8030 US
32.7.32.0/20 4.1K
0.0%
AS8030 US
32.29.224.0/20 4.1K
0.0%
AS8030 US
32.245.208.0/20 4.1K
0.0%
AS8030 US Georgia Atlanta
32.35.104.0/21 2.0K
0.0%
AS8030 US
32.245.200.0/21 2.0K
0.0%
AS8030 US
192.20.128.0/21 2.0K
91.3%
AS8030 US
32.34.252.0/22 1.0K
0.0%
AS8030 US Georgia Atlanta
32.35.152.0/22 1.0K
0.0%
AS8030 US
32.49.116.0/22 1.0K
0.0%
AS8030 US Georgia Atlanta
32.49.240.0/22 1.0K
0.0%
AS8030 US Georgia Atlanta
192.20.124.0/22 1.0K
91.6%
AS8030 US
32.49.244.0/23 512
0.0%
AS8030 US Georgia Atlanta
32.245.192.0/23 512
0.0%
AS8030 US Georgia Atlanta
135.42.0.0/23 512
99.6%
AS8030 US
192.20.122.0/23 512
90.2%
AS8030 US
32.35.156.0/24 256
0.0%
AS8030 US
135.42.2.0/24 256
99.6%
AS8030 US
135.42.11.0/24 256
100.0%
AS8030 US
135.42.12.0/24 256
99.6%
AS8030 US
170.141.165.0/24 256
14.8%
AS8030 US
170.141.221.0/24 256
0.8%
AS8030 US

Frequently Asked Questions

How many IP addresses does AT&T WorldNet own?

AT&T WorldNet controls 191.0K IPv4 addresses distributed across 30 CIDR ranges. The organization is registered in United States.

What ASNs does AT&T WorldNet operate?

AT&T WorldNet operates 1 Autonomous System. Each ASN represents an independently routed network that AT&T WorldNet manages for internet traffic delivery.

What type of organization is AT&T WorldNet?

AT&T WorldNet is categorized as isp. This classification is based on the organization's primary use of its IP address allocations.

Last updated: 2026-07-20 11:55:04 UTC
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