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
129.162.232.60 AS6481 Southwest Research Institute 8.39ms from Dallas, US
129.162.252.26 AS6481 Southwest Research Institute 8.37ms from Dallas, US
129.162.0.65 AS6481 Southwest Research Institute 8.51ms from Dallas, US
129.162.104.69 AS6481 Southwest Research Institute 8.51ms from Dallas, US
129.162.248.2 AS6481 Southwest Research Institute 9.06ms from Dallas, US
129.162.70.203 AS6481 Southwest Research Institute 8.50ms from Dallas, US
129.162.218.72 AS6481 Southwest Research Institute 8.47ms from Dallas, US
129.162.9.13 AS6481 Southwest Research Institute 8.54ms from Dallas, US
129.162.1.210 AS6481 Southwest Research Institute 8.31ms from Dallas, US
2620:14:0:2001::2 AS6481 Southwest Research Institute 8.36ms from Dallas, US
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
129.162.3.143 AS6481 Southwest Research Institute 8.65ms from Dallas, US
129.162.238.75 AS6481 Southwest Research Institute 8.90ms 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
175.29.12.65 AS29802 HIVELOCITY, Inc. 0.63ms from Amsterdam, NL
74.40.199.113 AS5650 Frontier Communications of America, Inc. 18.39ms from Ashburn, US
67.61.177.1 AS11492 CABLE ONE, INC. 4.14ms from Atlanta, US
194.54.147.1 AS61401 Neutralia Operador Global S.L.U. 0.11ms from Barcelona, ES
185.6.149.161 AS41956 M Nets SAL 1.38ms from Beirut, LB
43.225.119.129 AS132893 KODIAK NETWORKS INDIA PRIVATE LIMITED 1.17ms from Bengaluru, IN
54.184.149.49 AS16509 Amazon.com, Inc. 0.16ms from Boardman, US
181.57.97.1 AS10620 Telmex Colombia S.A. 6.45ms from Bogota, CO
181.49.35.161 AS14080 Telmex Colombia S.A. 0.77ms from Bogota, CO
186.81.23.1 AS14080 Telmex Colombia S.A. 13.68ms from Bogota, CO
148.6.216.1 AS3314 MTA Wigner Fizikai Kutatokozpont 0.91ms from Budapest, HU
190.55.160.1 AS27747 Telecentro S.A. 0.82ms from Buenos Aires, AR
201.213.66.1 AS7303 Telecom Argentina S.A. 1.05ms from Buenos Aires, AR
156.195.161.49 AS8452 TE-AS 5.26ms from Cairo, EG
171.90.134.1 AS4134 CHINANET-BACKBONE 12.23ms from Chengdu, CN
118.116.11.1 AS4134 CHINANET-BACKBONE 4.08ms from Chengdu, CN
173.81.116.1 AS19108 Optimum 12.02ms from Chicago, US
50.124.36.1 AS5650 Frontier Communications of America, Inc. 6.96ms from Chicago, US
73.22.70.1 AS7922 Comcast Cable Communications, LLC 1.92ms from Chicago, US
98.223.214.1 AS7922 Comcast Cable Communications, LLC 4.45ms from Chicago, US
181.228.71.1 AS7303 Telecom Argentina S.A. 2.20ms from Cordoba, AR
34.133.214.65 AS396982 Google LLC 0.39ms from Council Bluffs, US
194.0.221.1 AS41155 Orbit Telekom Sanayi ve Ticaret Limited Sirketi 7.24ms from Denizli, TR
98.209.87.17 AS7922 Comcast Cable Communications, LLC 8.85ms from Flint, US
213.160.14.129 AS20676 Plusnet GmbH 1.20ms 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 129.162.45.6
traceroute to 129.162.45.6 (129.162.45.6): 7 hops max, 52 byte packets
2 *
3 *
4 [AS9050] 92.87.88.57 7.51 ms
5 *
6 *
7 *
Measurement taken from IPinfo ProbeNet in Bucharest, RO
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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