Autonomous System details

AS17055

University of Utah  ·  utah.edu

United States

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AS17055 – University of Utah

Field Value
Country United States
Website utah.edu
Hosted domains 238
IPv4 addresses 393,984
IPv6 addresses 79,228,162,514,264,337,593,543,950,336
ASN type Education
Registry arin
Allocated 25 years ago on Jul 18, 2000
Updated a month ago on Oct 30, 2025

IP Ranges

Netblock Company Num of IPs
128.110.0.0/16 University of Utah 65,536
155.97.0.0/16 University of Utah 65,536
155.98.0.0/16 University of Utah 65,536
155.99.0.0/16 University of Utah 65,536
155.100.0.0/16 University of Utah 65,536
155.101.0.0/16 University of Utah 65,536
155.98.32.0/20 University of Utah 4,096
128.110.216.0/21 University of Utah 2,048
128.110.96.0/22 University of Utah 1,024
128.110.152.0/22 University of Utah 1,024
128.110.100.0/24 University of Utah 256
128.110.156.0/24 University of Utah 256
155.99.144.0/24 University of Utah 256
155.101.66.0/24 University of Utah 256
192.5.12.0/24 University of Utah 256
199.104.93.0/24 University of Utah 256
204.99.128.0/24 Utah Education Network 256

Netblock Company
2604:c340::/32 University of Utah
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WHOIS Details

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                                                ASHandle:       AS17055
                                                OrgID:          AS17055
                                                ASName:         AS17055
                                                ASNumber:       AS17055
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 238 domain names hosted across 68 IP addresses on this ASN.

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IP Address Domain Domains on this IP
155.98.186.21 ████████ 17
155.100.188.138 ██████████ 14
155.97.131.159 ██████████ 14
155.98.16.32 ██████████ 12
155.98.186.99 ██████████ 12
155.98.32.70 ██████████ 9
128.110.106.66 ██████████ 9
155.100.119.207 ██████████ 8
155.97.63.84 ██████████ 7
155.101.19.96 ██████████ 7

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Peers

There is 1 peer for this ASN.

Peers Name
AS210 Utah Education Network
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ASN API & Database

Upstreams

There is 1 peer for this ASN.

upstreams Name
AS210 Utah Education Network
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ASN API & Database

Downstreams

There are no downstreams for this ASN.

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ASN API & Database

Pingable IPs

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

IP Address ASN Details
155.97.17.110 AS17055 University of Utah 1.66ms from Salt Lake City, US
155.97.29.249 AS17055 University of Utah 1.57ms from Salt Lake City, US
155.101.16.165 AS17055 University of Utah 1.35ms from Salt Lake City, US
155.98.1.13 AS17055 University of Utah 1.31ms from Salt Lake City, US
155.101.25.1 AS17055 University of Utah 1.63ms from Salt Lake City, US
155.98.12.109 AS17055 University of Utah 1.40ms from Salt Lake City, US
155.100.225.191 AS17055 University of Utah 2.30ms from Salt Lake City, US
155.101.11.23 AS17055 University of Utah 1.38ms from Salt Lake City, US
155.98.3.1 AS17055 University of Utah 1.40ms from Salt Lake City, US
155.100.238.85 AS17055 University of Utah 2.18ms from Salt Lake City, US
155.97.61.97 AS17055 University of Utah 1.91ms from Salt Lake City, US
155.101.145.89 AS17055 University of Utah 1.26ms from Salt Lake City, US
155.98.108.118 AS17055 University of Utah 1.38ms from Salt Lake City, US
155.98.162.148 AS17055 University of Utah 1.32ms from Salt Lake City, US
155.97.239.40 AS17055 University of Utah 16.29ms from Salt Lake City, US
155.100.119.207 AS17055 University of Utah 2.16ms from Salt Lake City, US
155.101.28.1 AS17055 University of Utah 1.53ms from Salt Lake City, US
155.97.247.136 AS17055 University of Utah 1.37ms from Salt Lake City, US
155.101.201.10 AS17055 University of Utah 1.23ms from Salt Lake City, US
155.101.112.249 AS17055 University of Utah 2.18ms from Salt Lake City, US
155.98.176.228 AS17055 University of Utah 2.11ms from Salt Lake City, US
155.101.31.110 AS17055 University of Utah 1.90ms from Salt Lake City, US
155.100.118.55 AS17055 University of Utah 2.06ms from Salt Lake City, US
155.98.200.145 AS17055 University of Utah 1.39ms from Salt Lake City, US
155.101.30.71 AS17055 University of Utah 1.97ms from Salt Lake City, 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
118.113.156.63 AS4134 CHINANET-BACKBONE 2.57ms from Chengdu, CN
72.253.144.31 AS36149 Hawaiian Telcom Services Company, Inc. 1.51ms from Honolulu, US
79.44.169.143 AS3269 Telecom Italia S.p.A. 4.66ms from Milan, IT
171.104.145.255 AS4134 CHINANET-BACKBONE 2.48ms from Nanning, CN
69.127.219.15 AS6128 Cablevision Systems Corp. 2.14ms from New York City, US
176.197.181.111 AS39927 E-Light-Telecom Ltd. 6.01ms from Novosibirsk, RU
50.88.113.159 AS33363 Charter Communications, Inc 9.89ms from Orlando, US
157.230.159.159 AS14061 DigitalOcean, LLC 0.23ms from San Jose, US
119.206.187.63 AS4766 Korea Telecom 6.23ms from Seoul, KR
91.246.72.111 AS42673 Skyware Sp. z o.o. 6.37ms from Warsaw, PL
171.41.23.255 AS4134 CHINANET-BACKBONE 5.42ms from Wuhan, CN
132.193.219.31 AS668 United States Department of Defense (DoD) 0.51ms from Atlanta, US
85.66.149.175 AS20845 DIGI Tavkozlesi es Szolgaltato Kft. 5.59ms from Budapest, HU
188.6.184.127 AS5483 Magyar Telekom Plc. 5.71ms from Budapest, HU
175.7.216.207 AS4134 CHINANET-BACKBONE 9.07ms from Changsha, CN
166.142.51.31 AS6167 Verizon Business 18.08ms from Chicago, US
34.132.42.207 AS396982 Google LLC 0.11ms from Council Bluffs, US
87.133.11.159 AS3320 Deutsche Telekom AG 14.46ms from Frankfurt am Main, DE
39.182.70.159 AS56041 China Mobile communications corporation 8.64ms from Hangzhou, CN
68.110.224.63 AS22773 Cox Communications Inc. 4.68ms from Kansas City, US
109.234.58.239 AS43989 Ehinet Srl 2.24ms from Milan, IT
45.55.69.191 AS14061 DigitalOcean, LLC 0.24ms from New York City, US
79.9.67.15 AS3269 Telecom Italia S.p.A. 4.43ms from Rome, IT
182.218.105.15 AS17858 LG POWERCOMM 3.96ms from Seoul, KR
211.228.204.47 AS4766 Korea Telecom 4.97ms from Seoul, KR

Traceroute

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

$
traceroute -a -n -q1 -f4 -m10 155.99.216.34
traceroute to 155.99.216.34 (155.99.216.34): 10 hops max, 52 byte packets
5 *
6 *
7 [AS6453] 180.87.38.5 10.247 ms
8 *
9 *
10 *
Measurement taken from IPinfo ProbeNet in Ahmedabad, IN
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 AS17055 at robtex.

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