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Autonomous System

AS797

AT&T Services, Inc.

Announced IPs
170,752
CIDR prefixes
18
ASN
AS797

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 v1.2.0 — 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 industry
Employees
273,000

AS797 — global IP footprint

Cities where AS797 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS797 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
135.209.208.0/20 17,576 2026-09-11 17:58:20
170.35.208.0/20 13,571 2026-09-11 17:58:04
144.160.0.0/15 11,537 2026-09-11 17:58:18
135.209.224.0/20 10,810 2026-09-11 17:58:20
12.153.241.0/24 10,446 2026-09-11 17:57:19
135.209.64.0/19 9,465 2026-09-11 17:58:20
135.209.148.0/22 9,458 2026-09-11 17:58:20
135.209.146.0/23 9,454 2026-09-11 17:58:20
135.209.152.0/22 9,421 2026-09-11 17:58:20
198.180.219.0/24 9,408 2026-09-11 17:56:55
135.209.156.0/24 9,375 2026-09-11 17:58:20
192.150.169.0/24 9,345 2026-09-11 17:56:35
170.35.224.0/20 8,488 2026-09-11 17:58:12
67.98.173.0/24 7,332 2026-09-11 17:58:20
135.209.158.0/23 7,210 2026-09-11 17:58:20
135.209.96.0/19 7,180 2026-09-11 17:58:20
135.209.160.0/21 7,180 2026-09-11 17:58:20
135.209.168.0/24 7,090 2026-09-11 17:58:20
204.107.19.0/24 7,043 2026-09-11 17:56:44
135.209.209.0/24 6,828 2026-09-11 17:58:19
135.209.208.0/24 6,744 2026-09-11 17:58:19
144.161.219.0/24 53 2026-08-30 08:09:43
144.160.128.0/19 43 2026-08-30 08:09:43
144.160.224.0/19 5 2026-08-11 19:11:45
144.161.96.0/19 5 2026-08-11 19:11:45
144.160.0.0/19 1 2026-08-21 15:21:17
144.160.64.0/19 1 2026-08-21 15:21:17
144.160.32.0/19 1 2026-08-21 15:21:17

Frequently Asked Questions

What is AS797?

AS797 is an Autonomous System Number assigned to AT&T Services, Inc.. 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 AS797 announce?

AS797 announces 170.8K IPv4 addresses distributed across 18 routed CIDR prefixes. The network is registered in United States.

Who operates AS797?

AS797 is operated by AT&T Services, Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS797 registered in?

AS797 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: 2026-09-11 17:56:08 UTC
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