AS number 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
Number of IPv4 65,536
Number of IPv6 1,208,925,819,614,629,174,706,176
ASN type Education
Registry arin
Allocated 29 years ago on Apr 29, 1996
Updated 23 days 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
129.162.232.77 ██████████ 36
129.162.232.185 ██████████ 14
129.162.232.186 ██████████ 4
129.162.232.7 ██████████ 4
129.162.3.139 ██████████ 3
129.162.232.76 ████████ 1
129.162.104.103 ██████████ 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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Downstreams

There are no downstreams for this ASN.

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ASN API ASN Database Download

Pingable IPs

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

IP Address ASN Details
129.162.252.26 AS6481 Southwest Research Institute 8.57ms from Dallas, US
2620:14:0:2001::2 AS6481 Southwest Research Institute 8.51ms from Dallas, US
129.162.248.2 AS6481 Southwest Research Institute 9.04ms from Dallas, US
129.162.237.116 AS6481 Southwest Research Institute 8.79ms from Dallas, US
129.162.218.106 AS6481 Southwest Research Institute 8.47ms from Dallas, US
129.162.70.202 AS6481 Southwest Research Institute 8.59ms from Dallas, US
129.162.230.250 AS6481 Southwest Research Institute 8.45ms from Dallas, US
129.162.104.98 AS6481 Southwest Research Institute 8.72ms from Dallas, US
129.162.238.75 AS6481 Southwest Research Institute 9.15ms from Dallas, US
129.162.3.143 AS6481 Southwest Research Institute 8.84ms from Dallas, US
129.162.1.2 AS6481 Southwest Research Institute 8.46ms from Dallas, US
129.162.0.66 AS6481 Southwest Research Institute 8.54ms from Dallas, US
129.162.232.110 AS6481 Southwest Research Institute 8.47ms 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
178.224.163.241 AS50266 Odido Netherlands B.V. 3.16ms from Amsterdam, NL
71.253.131.1 AS701 Verizon Business 6.22ms from Ashburn, US
131.96.38.1 AS10631 Georgia State University 0.56ms from Atlanta, US
24.159.51.17 AS20115 Charter Communications LLC 15.84ms from Atlanta, US
144.6.250.161 AS4764 Aussie Broadband 0.71ms from Brisbane, AU
109.100.181.1 AS9050 Orange Romania S.A. 1.96ms from Bucharest, RO
181.169.175.1 AS7303 Telecom Argentina S.A. 1.11ms from Buenos Aires, AR
75.182.108.81 AS11426 Charter Communications Inc 12.17ms from Charlotte, US
173.95.86.177 AS11426 Charter Communications Inc 1.00ms from Charlotte, US
173.205.12.161 AS3257 GTT Communications Inc. 0.43ms from Chicago, US
207.174.115.65 AS15081 Omni Fiber 3.68ms from Columbus, US
79.142.235.145 AS44134 BOLIGNET A/S 0.59ms from Copenhagen, DK
74.195.246.1 AS19108 Optimum 9.96ms from Dallas, US
103.252.227.49 AS134971 Md. Maniruzzaman Manir t/a Doly IT Corner 0.51ms from Dhaka, BD
198.135.1.97 AS109 CISCO SYSTEMS, INC. 1.88ms from Durham, US
200.249.18.209 AS4230 CLARO S.A. 7.40ms from Fortaleza, BR
193.112.210.1 AS45090 Shenzhen Tencent Computer Systems Company Limited 2.37ms from Guangzhou, CN
154.89.127.1 AS142286 LUOGELANG (FRANCE) LIMITED 1.18ms from Hong Kong, HK
91.228.186.1 AS212552 BitCommand LLC 0.21ms from Istanbul, TR
119.189.122.241 AS4837 CHINA UNICOM China169 Backbone 4.61ms from Jinan, CN
197.89.204.1 AS20011 Dimension Data 9.07ms from Johannesburg, ZA
178.204.244.225 AS28840 PJSC "TATTELECOM" 6.36ms from Kazan, RU
182.68.65.81 AS24560 Bharti Airtel Ltd., Telemedia Services 4.58ms from Kolkata, IN
116.249.160.1 AS4134 CHINANET-BACKBONE 13.73ms from Kunming, CN
2.97.176.1 AS13285 TalkTalk Communications Limited 2.35ms 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 -f2 -m8 129.162.87.66
traceroute to 129.162.87.66 (129.162.87.66): 8 hops max, 52 byte packets
3 *
4 [] 110.93.252.172 1.05 ms
5 [] 110.93.252.246 1.033 ms
6 *
7 *
8 *
Measurement taken from IPinfo ProbeNet in Karachi, PK
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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