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Autonomous System

AS8030

AT&T WorldNet

Announced IPs
190,976
CIDR prefixes
30
ASN
AS8030

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

Top CIDR ranges

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

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS8030 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
165.235.50.0/24 28,000 2026-07-21 18:24:07
158.96.151.0/24 13,429 2026-05-31 07:38:43
146.114.194.0/24 4,453 2026-07-21 17:37:00
12.253.0.0/18 4,338 2026-07-23 15:45:06
12.194.0.0/16 4,212 2026-07-23 15:45:06
135.42.1.0/24 3,766 2026-07-23 15:45:06
32.49.244.0/23 3,756 2026-07-23 15:45:06
32.245.192.0/23 3,753 2026-07-23 15:45:06
32.35.64.0/22 3,747 2026-07-23 15:45:06
32.35.88.0/21 3,746 2026-07-23 15:45:06
32.49.118.0/23 3,743 2026-07-23 15:45:06
32.29.128.0/18 3,740 2026-07-23 15:45:06
32.39.128.0/19 3,740 2026-07-23 15:45:06
135.42.2.0/24 3,740 2026-07-23 15:45:06
32.21.160.0/21 3,739 2026-07-23 15:45:06
32.21.168.0/21 3,739 2026-07-23 15:45:06
32.245.200.0/21 3,737 2026-07-23 15:45:06
32.245.208.0/20 3,737 2026-07-23 15:45:06
135.42.12.0/24 3,724 2026-07-23 15:45:06
32.35.152.0/22 3,718 2026-07-23 15:45:06
32.49.116.0/23 3,714 2026-07-23 15:45:06
32.35.104.0/21 3,713 2026-07-23 15:45:06
32.35.72.0/21 3,712 2026-07-23 15:45:06
32.10.0.0/18 3,712 2026-07-23 15:45:06
32.34.252.0/23 3,708 2026-07-23 15:45:06
32.37.192.0/19 3,706 2026-07-23 15:45:06
32.2.128.0/18 3,706 2026-07-23 15:45:06
32.21.176.0/20 3,705 2026-07-23 15:45:06
32.34.254.0/23 3,704 2026-07-23 15:45:06
32.49.240.0/22 3,704 2026-07-23 15:45:06
32.29.224.0/20 3,703 2026-07-23 15:45:06
32.35.68.0/22 3,701 2026-07-23 15:45:06
192.20.128.0/21 3,697 2026-07-23 15:45:06
135.42.0.0/23 3,696 2026-07-23 15:45:06
32.35.80.0/22 3,695 2026-07-23 15:45:06
192.20.122.0/23 3,693 2026-07-23 15:45:06
170.141.221.0/24 3,692 2026-07-23 15:45:06
32.35.84.0/22 3,692 2026-07-23 15:45:06
32.7.32.0/20 3,691 2026-07-23 15:45:06
32.35.156.0/24 3,686 2026-07-23 15:45:06
135.42.11.0/24 3,685 2026-07-23 15:45:06
170.141.165.0/24 3,684 2026-07-23 15:45:06
192.20.124.0/22 3,680 2026-07-23 15:45:06
134.186.108.0/24 2,924 2026-07-21 18:17:04
67.156.19.0/24 1,752 2026-06-09 23:40:17
64.112.136.0/24 1,551 2026-06-24 14:17:55
64.112.142.0/24 1,540 2026-06-24 14:17:51
64.112.143.0/24 1,496 2026-06-24 14:17:55
165.235.31.0/24 1,448 2026-05-29 23:13:34
67.157.80.0/24 1,438 2026-06-08 17:59:28

Frequently Asked Questions

What is AS8030?

AS8030 is an Autonomous System Number assigned to AT&T WorldNet. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS8030 announce?

AS8030 announces 191.0K IPv4 addresses distributed across 30 routed CIDR prefixes. The network is registered in United States.

Who operates AS8030?

AS8030 is operated by AT&T WorldNet. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS8030 registered in?

AS8030 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-23 16:55:32 UTC
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