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 242
IPv4 addresses 393,984
IPv6 addresses 79,228,162,514,264,337,593,543,950,336
ASN type Education
Registry arin
Allocated 26 years ago on Jul 18, 2000
Updated 4 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 242 domain names hosted across 72 IP addresses on this ASN.

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IP Address Domain Domains on this IP
155.98.186.21 ████████ 18
155.97.131.159 ██████████ 14
155.100.188.138 ██████████ 14
155.98.16.32 █████████ 12
155.98.186.99 ██████████ 11
155.98.32.70 ██████████ 9
128.110.106.66 ██████████ 9
155.100.119.207 ██████████ 8
155.101.19.96 ██████████ 8
155.100.38.63 ██████████ 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

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

IP Address ASN Details
155.98.8.83 AS17055 University of Utah 1.80ms from Salt Lake City, US
155.101.20.1 AS17055 University of Utah 1.88ms from Salt Lake City, US
155.98.3.49 AS17055 University of Utah 1.46ms from Salt Lake City, US
155.98.230.178 AS17055 University of Utah 1.25ms from Salt Lake City, US
155.101.82.235 AS17055 University of Utah 2.26ms from Salt Lake City, US
128.110.96.74 AS17055 University of Utah 0.95ms from Salt Lake City, US
155.100.194.147 AS17055 University of Utah 7.67ms from Salt Lake City, US
155.101.44.24 AS17055 University of Utah 1.73ms from Salt Lake City, US
155.101.24.1 AS17055 University of Utah 1.86ms from Salt Lake City, US
155.101.16.67 AS17055 University of Utah 1.41ms from Salt Lake City, US
155.100.24.225 AS17055 University of Utah 1.71ms from Salt Lake City, US
155.97.21.42 AS17055 University of Utah 1.19ms from Salt Lake City, US
155.100.22.158 AS17055 University of Utah 1.59ms from Salt Lake City, US
155.100.225.113 AS17055 University of Utah 1.86ms from Salt Lake City, US
155.97.144.59 AS17055 University of Utah 2.41ms from Salt Lake City, US
155.97.187.20 AS17055 University of Utah 1.79ms from Salt Lake City, US
155.97.178.94 AS17055 University of Utah 1.46ms from Salt Lake City, US
128.110.64.30 AS17055 University of Utah 1.64ms from Salt Lake City, US
155.101.17.1 AS17055 University of Utah 1.92ms from Salt Lake City, US
155.101.26.98 AS17055 University of Utah 1.42ms from Salt Lake City, US
155.100.217.85 AS17055 University of Utah 1.77ms from Salt Lake City, US
155.101.198.93 AS17055 University of Utah 1.91ms from Salt Lake City, US
155.101.123.43 AS17055 University of Utah 1.63ms from Salt Lake City, US
128.110.118.201 AS17055 University of Utah 1.65ms from Salt Lake City, US
155.98.15.100 AS17055 University of Utah 2.58ms 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
47.213.190.95 AS19108 Optimum 11.79ms from Ashburn, US
66.97.171.31 AS21607 LAZERWARE INC 7.16ms from Chicago, US
96.179.208.127 AS36377 Comcast Cable Communications, LLC 0.86ms from Chicago, US
166.142.51.31 AS6167 Verizon Business 16.07ms from Chicago, US
213.101.81.175 AS1257 Tele2 Sverige AB 1.41ms from Copenhagen, DK
211.172.47.255 AS18310 SK Broadband Co Ltd 1.19ms from Incheon, KR
70.252.143.255 AS7018 AT&T Enterprises, LLC 1.20ms from Kansas City, US
172.161.57.15 AS8075 Microsoft Corporation 0.18ms from Kloten, CH
89.242.215.79 AS13285 TalkTalk Communications Limited 3.81ms from London, GB
81.61.175.63 AS6739 VODAFONE ONO, S.A. 12.35ms from Madrid, ES
13.202.214.191 AS16509 Amazon.com, Inc. 0.14ms from Mumbai, IN
182.110.96.207 AS4134 CHINANET-BACKBONE 4.13ms from Nanchang, CN
69.127.219.15 AS6128 Cablevision Systems Corp. 2.37ms from New York City, US
34.195.203.223 AS14618 Amazon.com, Inc. 0.20ms from Reston, US
79.42.95.159 AS3269 Telecom Italia S.p.A. 16.41ms from Rome, IT
41.213.164.47 AS37002 Reunicable SAS 13.91ms from Saint-Denis, RE
64.163.89.79 AS7018 AT&T Enterprises, LLC 1.58ms from San Jose, US
146.185.75.159 AS8758 Iway AG 2.92ms from Zuerich, CH
75.183.206.31 AS11426 Charter Communications Inc 12.54ms from Ashburn, US
123.56.154.47 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 2.00ms from Beijing, CN
52.165.228.15 AS8075 Microsoft Corporation 0.33ms from Des Moines, US
27.42.233.63 AS17816 China Unicom IP network China169 Guangdong province 4.90ms from Guangzhou, CN
183.80.170.127 AS18403 FPT Telecom Company 2.22ms from Hanoi, VN
160.36.12.127 AS3450 University of Tennessee 9.19ms from Murfreesboro, US
97.222.109.207 AS6167 Verizon Business 10.26ms from New York City, US

Traceroute

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

$
traceroute -a -n -q1 -f4 -m13 128.110.45.27
traceroute to 128.110.45.27 (128.110.45.27): 13 hops max, 52 byte packets
4 [] 185.1.95.14 30.354 ms
5 [AS6461] 64.125.31.104 156.824 ms
6 *
7 *
8 [AS6461] 64.125.29.24 157.286 ms
9 [AS6461] 64.125.30.77 156.826 ms
10 [AS6461] 64.125.31.53 156.745 ms
11 *
12 *
13 *
Measurement taken from IPinfo ProbeNet in Bari, IT
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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