AS number details

AS13979

AT&T Enterprises, LLC  ·  att.com

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AS13979 – AT&T Enterprises, LLC

Field Value
Country United States
Website att.com
Hosted domains 0
Number of IPv4 81,920
Number of IPv6 0
ASN type ISP
Registry arin
Allocated 26 years ago on Sep 28, 1999
Updated 8 months ago on Mar 18, 2025
Netblock Company Num of IPs
15.0.64.0/18 HP Inc. 16,384
15.4.64.0/18 HP Inc. 16,384
15.8.64.0/18 HP Inc. 16,384
15.12.64.0/18 HP Inc. 16,384
15.98.64.0/18 HP Inc. 16,384

There are no known IPv6 addresses belonging to this network

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WHOIS Details


                                                ASHandle:       AS13979
                                                OrgID:          AS13979
                                                ASName:         AS13979
                                                ASNumber:       AS13979
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

                                            
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Hosted Domains

There are no domains currently hosted on this ASN.

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Useful for Cybersecurity

Peers

There are 11 peers for this ASN.

Peers Name
AS10616 National Oceanic and Atmospheric Administration
AS14298 Environmental Protection Agency
AS2152 CENIC
AS2576 U. S. Department of Transportation
AS30016 North American Telecommunications Corporation
AS33 HP Inc.
AS3423 AT&T Enterprises, LLC
AS4185 AT&T Enterprises, LLC
AS4186 AT&T Enterprises, LLC
AS4473 AT&T Enterprises, LLC
AS8076 Department of Housing and Urban Development
Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.

Upstreams

There are 2 upstreams for this ASN.

upstreams Name
AS30016 North American Telecommunications Corporation
AS33 HP Inc.
Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.

Downstreams

There are 4 downstreams for this ASN.

Downstreams Name
AS10616 National Oceanic and Atmospheric Administration
AS14298 Environmental Protection Agency
AS2576 U. S. Department of Transportation
AS8076 Department of Housing and Urban Development
Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.

Pingable IPs

28 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
15.0.67.40 AS13979 AT&T Enterprises, LLC 44.22ms from Dallas, US
15.0.83.1 AS13979 AT&T Enterprises, LLC 46.81ms from Dallas, US
15.0.73.1 AS13979 AT&T Enterprises, LLC 47.21ms from Dallas, US
15.0.68.1 AS13979 AT&T Enterprises, LLC 46.88ms from Dallas, US
15.0.92.201 AS13979 AT&T Enterprises, LLC 31.45ms from Dallas, US
15.12.77.1 AS13979 AT&T Enterprises, LLC 42.14ms from Dallas, US
15.0.71.2 AS13979 AT&T Enterprises, LLC 30.73ms from Dallas, US
15.0.80.193 AS13979 AT&T Enterprises, LLC 47.80ms from Dallas, US
15.0.84.2 AS13979 AT&T Enterprises, LLC 30.98ms from Dallas, US
15.4.104.1 AS13979 AT&T Enterprises, LLC 57.15ms from Dallas, US
15.4.91.33 AS13979 AT&T Enterprises, LLC 57.06ms from Dallas, US
15.12.76.1 AS13979 AT&T Enterprises, LLC 42.16ms from Dallas, US
15.0.82.1 AS13979 AT&T Enterprises, LLC 46.89ms from Dallas, US
15.4.74.129 AS13979 AT&T Enterprises, LLC 56.74ms from Dallas, US
15.4.95.15 AS13979 AT&T Enterprises, LLC 57.78ms from Dallas, US
15.4.88.1 AS13979 AT&T Enterprises, LLC 57.11ms from Dallas, US
15.8.72.27 AS13979 AT&T Enterprises, LLC 26.98ms from San Antonio, US
15.8.77.3 AS13979 AT&T Enterprises, LLC 151.25ms from Dallas, US
15.0.76.2 AS13979 AT&T Enterprises, LLC 30.82ms from Dallas, US
15.0.87.2 AS13979 AT&T Enterprises, LLC 31.03ms from Dallas, US
15.0.65.1 AS13979 AT&T Enterprises, LLC 47.15ms from Dallas, US
15.0.72.1 AS13979 AT&T Enterprises, LLC 47.34ms from Dallas, US
15.0.70.1 AS13979 AT&T Enterprises, LLC 47.52ms from Dallas, US
15.0.89.65 AS13979 AT&T Enterprises, LLC 30.92ms from Dallas, US
15.0.66.1 AS13979 AT&T Enterprises, LLC 47.04ms from Dallas, US

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address ASN Details
213.49.100.107 AS5432 Proximus NV 4.88ms from Amsterdam, NL
74.121.195.219 AS36473 Contegix 0.37ms from Ashburn, US
12.75.164.203 AS7018 AT&T Enterprises, LLC 9.30ms from Atlanta, US
178.223.97.171 AS8400 TELEKOM SRBIJA a.d. 4.77ms from Belgrade, RS
181.105.142.251 AS7303 Telecom Argentina S.A. 8.84ms from Buenos Aires, AR
97.242.16.219 AS6167 Verizon Business 10.73ms from Chicago, US
183.44.233.219 AS140308 CHINATELECOM Guangdong province Zhuhai 5G network 6.68ms from Guangzhou, CN
14.153.179.123 AS4134 CHINANET-BACKBONE 2.81ms from Guangzhou, CN
188.38.222.171 AS15897 Vodafone Telekomunikasyon A.S. 16.53ms from Istanbul, TR
62.76.140.11 AS60747 MODUS LLC 8.92ms from Moscow, RU
97.74.134.59 AS26496 GoDaddy.com, LLC 0.78ms from Phoenix, US
27.195.37.155 AS4837 CHINA UNICOM China169 Backbone 6.32ms from Qingdao, CN
222.100.71.251 AS4766 Korea Telecom 1.06ms from Seoul, KR
121.170.37.251 AS4766 Korea Telecom 1.42ms from Seoul, KR
211.34.207.187 AS4766 Korea Telecom 1.12ms from Seoul, KR
99.237.107.171 AS812 Rogers Communications Canada Inc. 3.39ms from Toronto, CA
27.17.58.187 AS4134 CHINANET-BACKBONE 1.35ms from Wuhan, CN
62.131.83.123 AS1136 KPN B.V. 2.83ms from Amsterdam, NL
154.8.150.27 AS45090 Shenzhen Tencent Computer Systems Company Limited 1.96ms from Beijing, CN
82.131.222.219 AS20845 DIGI Tavkozlesi es Szolgaltato Kft. 15.70ms from Budapest, HU
2.21.51.235 AS16625 Akamai Technologies, Inc. 0.40ms from Buenos Aires, AR
79.232.37.91 AS3320 Deutsche Telekom AG 4.50ms from Duesseldorf, DE
91.47.27.219 AS3320 Deutsche Telekom AG 1.75ms from Frankfurt am Main, DE
109.182.116.187 AS5603 Telekom Slovenije, d.d. 1.22ms from Ljubljana, SI
81.104.14.155 AS5089 Virgin Media Limited 8.80ms from London, GB

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more.

$
traceroute -a -n -q1 -f4 15.4.91.1
traceroute to 15.4.91.1 (15.4.91.1): 64 hops max, 52 byte packets
4 [] 15.230.139.162 25.663 ms
5 [] 15.230.139.10 0.151 ms
6 *
7 *
8 *
9 *
10 [AS7018] 12.55.238.110 2.513 ms
11 [AS7018] 12.55.238.109 2.493 ms
12 [AS7018] 32.130.106.56 1.873 ms
13 *
14 [AS7018] 32.130.16.21 2.248 ms
15 [] 15.85.202.101 3.221 ms
16 [] 192.120.2.149 15.088 ms
17 [] 192.120.2.57 55.803 ms
18 *
19 *
20 [AS13979] 15.4.91.1 59.536 ms
Measurement taken from IPinfo ProbeNet in Dallas, US
On

Related Networks

What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS13979 at robtex.

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