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 65
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 5 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 65 domain names hosted across 9 IP addresses on this ASN.

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IP Address Domain Domains on this IP
129.162.9.16 ██████████ 37
129.162.232.185 ██████████ 14
129.162.232.7 ██████████ 4
129.162.3.139 ██████████ 3
129.162.232.186 ██████████ 3
129.162.104.103 ██████████ 1
129.162.232.76 ████████ 1
129.162.232.19 ██████████ 1
129.162.104.108 ██████████ 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
129.162.237.100 AS6481 Southwest Research Institute 8.65ms from Dallas, US
129.162.230.193 AS6481 Southwest Research Institute 8.36ms from Dallas, US
129.162.0.65 AS6481 Southwest Research Institute 8.51ms from Dallas, US
129.162.252.26 AS6481 Southwest Research Institute 8.37ms from Dallas, US
129.162.218.72 AS6481 Southwest Research Institute 8.47ms from Dallas, US
129.162.238.75 AS6481 Southwest Research Institute 8.90ms from Dallas, US
129.162.9.13 AS6481 Southwest Research Institute 8.54ms from Dallas, US
2620:14:0:2001::2 AS6481 Southwest Research Institute 8.36ms from Dallas, US
129.162.104.69 AS6481 Southwest Research Institute 8.51ms from Dallas, US
129.162.70.203 AS6481 Southwest Research Institute 8.50ms from Dallas, US
129.162.248.2 AS6481 Southwest Research Institute 9.06ms from Dallas, US
129.162.232.60 AS6481 Southwest Research Institute 8.39ms from Dallas, US
129.162.1.210 AS6481 Southwest Research Institute 8.31ms from Dallas, US
129.162.3.143 AS6481 Southwest Research Institute 8.65ms 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
83.86.201.1 AS33915 Vodafone Libertel B.V. 2.25ms from Amsterdam, NL
85.144.218.129 AS50266 Odido Netherlands B.V. 3.94ms from Amsterdam, NL
206.208.228.129 AS10991 CAPGEMINI AMERICA, INC. 1.18ms from Ashburn, US
71.253.131.1 AS701 Verizon Business 7.99ms from Ashburn, US
73.128.43.97 AS7922 Comcast Cable Communications, LLC 5.54ms from Ashburn, US
169.136.55.1 AS29894 South Central Rural Telecommunications Cooperative Inc. 10.29ms from Atlanta, US
73.237.30.1 AS7922 Comcast Cable Communications, LLC 1.18ms from Atlanta, US
101.27.32.1 AS4837 CHINA UNICOM China169 Backbone 8.48ms from Beijing, CN
121.26.36.193 AS4837 CHINA UNICOM China169 Backbone 7.50ms from Beijing, CN
98.98.26.129 AS21859 Zenlayer Inc 0.54ms from Bogotá, CO
76.118.136.1 AS7922 Comcast Cable Communications, LLC 3.49ms from Boston, US
50.170.174.17 AS7922 Comcast Cable Communications, LLC 1.05ms from Boston, US
211.26.78.1 AS9443 Vocus Retail 1.45ms from Brisbane, AU
190.55.160.1 AS27747 Telecentro S.A. 0.82ms from Buenos Aires, AR
190.97.33.1 AS27833 BVNET S.A. 7.36ms from Buenos Aires, AR
12.20.35.209 AS7018 AT&T Enterprises, LLC 13.14ms from Chicago, US
162.197.66.1 AS7018 AT&T Enterprises, LLC 10.88ms from Chicago, US
73.22.70.1 AS7922 Comcast Cable Communications, LLC 1.92ms from Chicago, US
14.111.160.1 AS4134 CHINANET-BACKBONE 5.76ms from Chongqing, CN
191.243.206.241 AS263512 CTBA TELECOM 1.41ms from Curitiba, BR
169.61.153.113 AS36351 IBM Cloud 1.13ms from Dallas, US
4.4.177.161 AS3356 Level 3 Parent, LLC 0.39ms from Denver, US
208.92.219.177 AS53292 ManagedWay 0.63ms from Detroit, US
82.8.80.1 AS5089 Virgin Media Limited 1.72ms from Erith, GB
213.71.64.33 AS702 Verizon Business 0.73ms from Frankfurt am Main, DE

Traceroute

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

$
traceroute -a -n -q1 -m7 129.162.40.124
traceroute to 129.162.40.124 (129.162.40.124): 7 hops max, 52 byte packets
1 [AS140599] 87.121.117.7 304.766 ms
3 [AS9658] 116.50.176.233 99.795 ms
4 [AS9658] 180.232.5.41 5.805 ms
5 *
6 *
7 *
Measurement taken from IPinfo ProbeNet in Angeles City, PH
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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