Skip to main content
Autonoom Systeem

AS13979

AT&T Enterprises, LLC

Aangekondigde IPs
15,360
CIDR-prefixes
4
ASN
AS13979

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.

58/100
Caution
How this score is built
  • Baseline (neutral) 65
  • Multiple-origin (MOAS) routing anomaly −12
  • Isp allocation +5
  • Trust score 58 / 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
Employees
273,000

⚠ 1 MOAS prefix — meerdere origin ASNs gedetecteerd

Alle MOAS-anomalieën →

Een voorheen stabiele prefix afkomstig van AS13979 wordt nu ook aangekondigd door een andere ASN (MOAS — Multiple-Origin AS), gedetecteerd door onze RIPE RIS-collectoren. Vaak goedaardig (anycast, multi-homing of een recente overdracht) — maar het kan duiden op een route leak of prefix hijack, dus het is de moeite waard om te onderzoeken.

PrefixOrigin ASNsLaatst gedetecteerd (UTC)
204.10.159.0/24 AS13979, AS30016 2026-07-25 08:23:55

Top CIDR-bereiken

CIDRIPsPTR DensityOrganisatieLandStateCity
15.8.64.0/18 16.4K
0.0%
AT&T Enterprises, LLC US
55.224.192.0/18 16.4K
0.0%
AT&T Enterprises, LLC US
15.4.64.0/19 8.2K
0.0%
AT&T Enterprises, LLC US
15.12.96.0/19 8.2K
0.5%
AT&T Enterprises, LLC US
55.224.32.0/19 8.2K
0.0%
AT&T Enterprises, LLC US
55.224.160.0/19 8.2K
0.0%
AT&T Enterprises, LLC US
15.4.112.0/20 4.1K
0.0%
AT&T Enterprises, LLC US
15.12.80.0/20 4.1K
0.0%
AT&T Enterprises, LLC US
55.224.112.0/20 4.1K
0.0%
AT&T Enterprises, LLC US
55.224.144.0/20 4.1K
0.0%
AT&T Enterprises, LLC US
15.4.104.0/21 2.0K
0.0%
AT&T Enterprises, LLC US
15.12.64.0/21 2.0K
0.0%
AT&T Enterprises, LLC US
55.224.104.0/21 2.0K
0.0%
AT&T Enterprises, LLC US
55.224.136.0/21 2.0K
0.0%
AT&T Enterprises, LLC US
15.4.100.0/22 1.0K
0.0%
AT&T Enterprises, LLC US
15.12.76.0/22 1.0K
0.0%
AT&T Enterprises, LLC US
55.224.92.0/22 1.0K
0.0%
AT&T Enterprises, LLC US
15.4.98.0/23 512
0.0%
AT&T Enterprises, LLC US
55.224.2.0/23 512
0.0%
AT&T Enterprises, LLC US
55.224.4.0/23 512
0.0%
AT&T Enterprises, LLC US
55.224.10.0/23 512
0.0%
AT&T Enterprises, LLC US
55.224.84.0/23 512
0.0%
AT&T Enterprises, LLC US
55.224.90.0/23 512
0.0%
AT&T Enterprises, LLC US
55.224.100.0/23 512
0.0%
AT&T Enterprises, LLC US
15.4.96.0/24 256
0.0%
AT&T Enterprises, LLC US
55.224.0.0/24 256
0.0%
AT&T Enterprises, LLC US
55.224.6.0/24 256
0.0%
AT&T Enterprises, LLC US
55.224.9.0/24 256
0.0%
AT&T Enterprises, LLC US
55.224.81.0/24 256
0.0%
AT&T Enterprises, LLC US
55.224.83.0/24 256
0.0%
AT&T Enterprises, LLC US
55.224.87.0/24 256
0.0%
AT&T Enterprises, LLC US
55.224.89.0/24 256
0.0%
AT&T Enterprises, LLC US
55.224.97.0/24 256
0.0%
AT&T Enterprises, LLC US
55.224.99.0/24 256
0.0%
AT&T Enterprises, LLC US
55.224.102.0/24 256
0.0%
AT&T Enterprises, LLC US
55.224.128.0/24 256
0.0%
AT&T Enterprises, LLC US
55.224.135.0/24 256
0.0%
AT&T Enterprises, LLC US

BGP Aangekondigde Prefixes

Live BGP-anomalieën →

Prefixes AS13979 daadwerkelijk afkomstig uit BGP, waargenomen door onze RIPE RIS-collectoren. Deze live routingweergave kan afwijken van de bovenstaande registry-toewijzing.

PrefixAankondigingsvoorbeeldenLaatst gezien
15.0.64.0/18 14,224 2026-07-25 06:05:43
15.8.64.0/18 13,610 2026-07-25 06:05:43
55.224.0.0/16 10,524 2026-07-16 21:21:00
15.4.64.0/18 6,360 2026-07-18 09:53:15
15.12.64.0/18 4,847 2026-07-25 06:05:43
55.65.125.0/24 4,173 2026-07-02 16:42:25
55.65.128.0/24 4,169 2026-07-02 16:42:25
55.65.129.0/24 4,166 2026-07-02 16:42:25
55.65.126.0/24 4,162 2026-07-02 16:42:25
55.65.120.0/24 4,159 2026-07-02 16:42:25
55.65.124.0/24 4,159 2026-07-02 16:42:25
55.65.121.0/24 4,157 2026-07-02 16:42:25
55.65.122.0/24 4,156 2026-07-02 16:42:25
55.65.123.0/24 4,153 2026-07-02 16:42:25
55.65.127.0/24 4,151 2026-07-02 16:42:25
132.80.230.0/24 2,550 2026-07-16 17:58:26
132.80.64.0/21 2,545 2026-07-16 17:58:26
132.134.40.0/21 2,513 2026-07-16 17:58:26
132.122.40.0/21 2,472 2026-07-16 17:58:26
55.15.212.0/23 2,262 2026-07-16 17:58:26
55.15.210.0/23 2,258 2026-07-16 17:58:26
132.80.224.0/24 2,137 2026-07-16 17:58:26
55.70.10.0/24 2,120 2026-06-17 15:32:32
55.70.70.0/24 2,120 2026-06-17 15:32:32
55.70.130.0/24 2,120 2026-06-17 15:32:32
55.70.13.0/24 2,116 2026-06-17 15:32:32
55.81.0.0/16 2,116 2026-07-16 17:58:26
55.70.11.0/24 2,114 2026-06-17 15:32:32
55.70.19.0/24 2,108 2026-06-17 15:32:32
55.70.15.0/24 2,107 2026-06-17 15:32:32
55.70.75.0/24 2,107 2026-06-17 15:32:32
55.70.35.0/24 2,107 2026-06-17 15:32:32
55.70.12.0/24 2,105 2026-06-17 15:32:32
55.70.16.0/24 2,104 2026-06-17 15:32:32
55.70.17.0/24 2,103 2026-06-17 15:32:32
55.70.18.0/24 2,101 2026-06-17 15:32:32
55.70.14.0/24 2,101 2026-06-17 15:32:32
55.70.178.0/24 2,101 2026-06-17 15:32:32
132.130.253.0/24 1,776 2026-07-16 17:59:12
132.130.48.0/21 1,743 2026-07-16 17:59:12
132.130.198.0/24 1,737 2026-07-16 17:59:12
132.130.12.0/24 1,729 2026-07-16 17:59:12
214.44.136.0/24 1,550 2026-06-09 02:24:00
55.65.0.0/16 1,492 2026-06-17 15:22:47
55.70.0.0/16 1,491 2026-06-17 15:22:47
55.19.0.0/16 1,487 2026-06-17 15:22:47
204.10.158.0/24 885 2026-07-24 20:23:29
204.10.159.0/24 882 2026-07-24 20:23:29
132.102.198.0/24 90 2026-07-16 17:48:55
132.102.253.0/24 90 2026-07-16 17:48:55

Toon top 50 of 51 aangekondigde prefixes per steekproefvolume.

Frequently Asked Questions

Wat is AS13979?

AS13979 is een Autonomous System Number toegewezen aan AT&T Enterprises, LLC. Een ASN identificeert een netwerk dat een specifieke set IP-adressen beheert en bepaalt hoe verkeer over het internet wordt gerouteerd via BGP (Border Gateway Protocol).

Hoeveel IP-adressen kondigt AS13979 aan?

AS13979 kondigt 15.4K IPv4-adressen aan, verdeeld over 4 gerouteerde CIDR prefixes. Het netwerk is geregistreerd in United States.

Wie beheert AS13979?

AS13979 wordt beheerd door AT&T Enterprises, LLC. De organisatie is gevestigd in United States. U kunt alle IP-bereiken en gerelateerde ASNs bekijken op de organisatiepagina.

In welk land is AS13979 geregistreerd?

AS13979 is geregistreerd in United States. Dit geeft aan waar de netwerkoperator is gevestigd, hoewel de IP-adressen die het aankondigt wereldwijd gebruikers kunnen bedienen.

Laatst bijgewerkt: 2026-07-25 08:55:31 UTC
Share