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 239
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 2 months 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 239 domain names hosted across 70 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
155.101.19.96 ██████████ 7
128.110.184.45 ████████ 7

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Peers

There is 1 peer for this ASN.

Peers Name
AS210 Utah Education Network
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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
155.101.44.21 AS17055 University of Utah 2.11ms from Salt Lake City, US
128.110.184.71 AS17055 University of Utah 1.65ms from Salt Lake City, US
155.101.116.237 AS17055 University of Utah 2.17ms from Salt Lake City, US
155.98.4.26 AS17055 University of Utah 1.54ms from Salt Lake City, US
155.98.203.181 AS17055 University of Utah 1.73ms from Salt Lake City, US
155.99.254.67 AS17055 University of Utah 4.16ms from Salt Lake City, US
155.97.134.38 AS17055 University of Utah 2.16ms from Salt Lake City, US
155.101.22.1 AS17055 University of Utah 1.65ms from Salt Lake City, US
155.97.17.102 AS17055 University of Utah 1.63ms from Salt Lake City, US
155.101.192.210 AS17055 University of Utah 1.55ms from Salt Lake City, US
155.100.24.225 AS17055 University of Utah 2.08ms from Salt Lake City, US
128.110.103.129 AS17055 University of Utah 0.77ms from Salt Lake City, US
155.100.240.66 AS17055 University of Utah 2.23ms from Salt Lake City, US
155.97.226.135 AS17055 University of Utah 1.63ms from Salt Lake City, US
155.97.178.94 AS17055 University of Utah 1.55ms from Salt Lake City, US
155.98.187.125 AS17055 University of Utah 2.24ms from Salt Lake City, US
155.100.225.135 AS17055 University of Utah 2.47ms from Salt Lake City, US
155.97.149.181 AS17055 University of Utah 2.07ms from Salt Lake City, US
155.97.133.35 AS17055 University of Utah 1.93ms from Salt Lake City, US
128.110.84.10 AS17055 University of Utah 8.10ms from Salt Lake City, US
155.101.6.194 AS17055 University of Utah 1.58ms from Salt Lake City, US
155.98.186.65 AS17055 University of Utah 2.00ms from Salt Lake City, US
155.98.5.153 AS17055 University of Utah 1.52ms from Salt Lake City, US
128.110.68.11 AS17055 University of Utah 2.22ms from Salt Lake City, US
155.100.38.133 AS17055 University of Utah 1.89ms 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
52.11.120.207 AS16509 Amazon.com, Inc. 0.16ms from Boardman, US
201.176.87.31 AS22927 Telefonica de Argentina 2.66ms from Buenos Aires, AR
181.3.56.15 AS7303 Telecom Argentina S.A. 1.45ms from Buenos Aires, AR
71.68.71.95 AS11426 Charter Communications Inc 7.63ms from Charlotte, US
129.173.111.47 AS8111 Dalhousie University 0.33ms from Halifax, CA
84.231.242.143 AS719 Elisa Oyj 10.36ms from Helsinki, FI
197.255.14.239 AS37480 Cobranet Limited 7.77ms from Lagos, NG
113.233.6.223 AS4837 CHINA UNICOM China169 Backbone 13.87ms from Liaoyang, CN
81.130.128.111 AS2856 British Telecommunications PLC 2.29ms from London, GB
189.225.68.223 AS8151 UNINET 5.72ms from Mexico City, MX
153.229.137.191 AS4713 NTT DOCOMO BUSINESS,Inc. 2.88ms from Osaka, JP
85.166.96.143 AS2119 Telenor Norge AS 0.70ms from Oslo, NO
112.240.78.255 AS4837 CHINA UNICOM China169 Backbone 4.59ms from Qingdao, CN
203.81.131.255 AS17608 ABN 1.18ms from Seoul, KR
49.28.111.47 AS4766 Korea Telecom 7.67ms from Seoul, KR
213.10.18.79 AS1136 KPN B.V. 0.83ms from Amsterdam, NL
50.112.141.127 AS16509 Amazon.com, Inc. 0.17ms from Boardman, US
213.95.94.63 AS12337 noris network AG 3.25ms from Frankfurt am Main, DE
73.189.132.191 AS7922 Comcast Cable Communications, LLC 2.65ms from Fremont, US
14.190.55.111 AS45899 VNPT Corp 2.49ms from Hanoi, VN
187.17.248.63 AS28201 Companhia Itabirana Telecomunicações Ltda 7.69ms from Rio de Janeiro, BR
79.9.67.15 AS3269 Telecom Italia S.p.A. 4.44ms from Rome, IT
210.153.135.127 AS2514 NTT PC Communications, Inc. 6.13ms from Tokyo, JP
111.176.123.255 AS4134 CHINANET-BACKBONE 6.74ms from Wuhan, CN
73.61.49.47 AS7922 Comcast Cable Communications, LLC 5.50ms from Boston, US

Traceroute

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

$
traceroute -a -n -q1 -f2 -m6 155.98.217.207
traceroute to 155.98.217.207 (155.98.217.207): 6 hops max, 52 byte packets
2 [AS58061] 38.180.36.1 0.333 ms
4 *
5 *
6 *
Measurement taken from IPinfo ProbeNet in Almaty, KZ
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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