Autonomous System details

AS6481

Southwest Research Institute  ·  swri.org

United States

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AS6481 – Southwest Research Institute

Field Value
Country United States
Website swri.org
Hosted domains 64
IPv4 addresses 65,536
IPv6 addresses 1,208,925,819,614,629,174,706,176
ASN type Education
Registry arin
Allocated 30 years ago on Apr 29, 1996
Updated 3 months ago on Sep 30, 2025

IP Ranges

Netblock Company Num of IPs
129.162.0.0/16 Southwest Research Institute 65,536
Netblock Company
2620:14::/48 Southwest Research Institute
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WHOIS Details

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                                                ASHandle:       AS6481
                                                OrgID:          AS6481
                                                ASName:         AS6481
                                                ASNumber:       AS6481
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 64 domain names hosted across 9 IP addresses on this ASN.

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IP Address Domain Domains on this IP
129.162.232.77 ██████████ 36
129.162.232.185 ██████████ 14
129.162.232.7 ██████████ 4
129.162.3.139 ██████████ 3
129.162.232.186 ██████████ 3
129.162.104.108 ██████████ 1
129.162.232.76 ████████ 1
129.162.104.103 ██████████ 1
129.162.232.19 ██████████ 1

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Peers

There are 2 peers for this ASN.

Peers Name
AS11427 Charter Communications Inc
AS6461 Zayo Bandwidth
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Upstreams

There are 2 upstreams for this ASN.

upstreams Name
AS11427 Charter Communications Inc
AS6461 Zayo Bandwidth
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ASN API & Database

Downstreams

There are no downstreams for this ASN.

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ASN API & Database

Pingable IPs

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

IP Address ASN Details
129.162.238.74 AS6481 Southwest Research Institute 9.19ms from Dallas, US
2620:14:0:2001::2 AS6481 Southwest Research Institute 8.47ms from Dallas, US
129.162.1.1 AS6481 Southwest Research Institute 8.49ms from Dallas, US
129.162.248.2 AS6481 Southwest Research Institute 8.95ms from Dallas, US
129.162.230.193 AS6481 Southwest Research Institute 8.51ms from Dallas, US
129.162.252.26 AS6481 Southwest Research Institute 8.47ms from Dallas, US
129.162.218.106 AS6481 Southwest Research Institute 8.51ms from Dallas, US
129.162.3.143 AS6481 Southwest Research Institute 8.77ms from Dallas, US
129.162.232.110 AS6481 Southwest Research Institute 8.52ms from Dallas, US
129.162.0.66 AS6481 Southwest Research Institute 8.66ms from Dallas, US
129.162.70.203 AS6481 Southwest Research Institute 8.60ms from Dallas, US
129.162.104.68 AS6481 Southwest Research Institute 8.76ms from Dallas, US
129.162.237.116 AS6481 Southwest Research Institute 8.81ms from Dallas, US
129.162.9.4 AS6481 Southwest Research Institute 8.78ms 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
109.177.117.113 AS5384 Emirates Internet 3.49ms from Al Fujairah City, AE
149.248.71.193 AS394991 SWC TELESOLUTIONS, INC. 13.32ms from Albuquerque, US
94.210.61.1 AS33915 Vodafone Libertel B.V. 1.97ms from Amsterdam, NL
69.17.17.113 AS3257 GTT Communications Inc. 1.23ms from Ashburn, US
98.204.234.65 AS7922 Comcast Cable Communications, LLC 8.42ms from Ashburn, US
73.117.242.49 AS7922 Comcast Cable Communications, LLC 12.58ms from Ashburn, US
76.123.27.225 AS7922 Comcast Cable Communications, LLC 15.54ms from Ashburn, US
12.208.228.33 AS7018 AT&T Enterprises, LLC 6.05ms from Atlanta, US
149.56.200.81 AS16276 OVH SAS 0.09ms from Beauharnois, CA
219.143.213.1 AS4847 China Networks Inter-Exchange 4.40ms from Beijing, CN
36.110.30.65 AS4847 China Networks Inter-Exchange 3.05ms from Beijing, CN
59.151.18.193 AS9308 Abitcool(China) Inc. 3.16ms from Beijing, CN
186.85.249.1 AS14080 Telmex Colombia S.A. 0.66ms from Bogota, CO
2.80.153.1 AS3243 MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A. 3.06ms from Braga, PT
85.248.157.1 AS5578 SWAN, a.s. 0.48ms from Bratislava, SK
157.173.140.1 AS6848 Telenet BV 3.92ms from Brussels, BE
197.167.236.1 AS24863 Link Egypt (Link.NET) 7.59ms from Cairo, EG
75.159.176.1 AS852 TELUS Communications Inc. 1.00ms from Calgary, CA
173.81.116.1 AS19108 Optimum 12.05ms from Chicago, US
208.93.159.1 AS46279 TechPro, Inc 0.55ms from Chicago, US
162.197.66.1 AS7018 AT&T Enterprises, LLC 11.16ms from Chicago, US
73.73.99.241 AS7922 Comcast Cable Communications, LLC 9.86ms from Chicago, US
98.34.43.81 AS7922 Comcast Cable Communications, LLC 7.58ms from Chicago, US
50.169.234.193 AS7922 Comcast Cable Communications, LLC 1.06ms from Denver, US
67.20.48.1 AS36444 Liquid Web, L.L.C 1.57ms from Detroit, US

Traceroute

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

$
traceroute -a -n -q1 -f3 -m9 129.162.64.66
traceroute to 129.162.64.66 (129.162.64.66): 9 hops max, 52 byte packets
3 [AS55293] 69.48.136.14 0.332 ms
4 *
5 *
7 *
8 *
9 *
Measurement taken from IPinfo ProbeNet in Detroit, 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 AS6481 at robtex.

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