Autonomous System details

AS11257

University of Lethbridge  ·  uleth.ca

Canada

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AS11257 – University of Lethbridge

Field Value
Country Canada
Website uleth.ca
Hosted domains 38
IPv4 addresses 65,536
IPv6 addresses 0
ASN type Education
Registry arin
Allocated 28 years ago on Jun 03, 1998
Updated 9 months ago on Aug 12, 2025

IP Ranges

Netblock Company Num of IPs
142.66.0.0/16 University of Lethbridge 65,536

There are no known IPv6 addresses belonging to this network

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WHOIS Details

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                                                ASHandle:       AS11257
                                                OrgID:          AS11257
                                                ASName:         AS11257
                                                ASNumber:       AS11257
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 38 domain names hosted across 11 IP addresses on this ASN.

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IP Address Domain Domains on this IP
142.66.8.36 ██████████ 17
142.66.6.251 ██████████ 8
142.66.8.38 ██████████ 6
142.66.3.136 ██████████ 3
142.66.139.19 ██████████ 2
142.66.6.121 ██████████ 1
142.66.142.10 ██████████ 1
142.66.6.152 ██████████ 1
142.66.142.11 ██████████ 1
142.66.17.3 ██████████ 1

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Peers

There are 3 peers for this ASN.

Peers Name
AS15296 Cybera Inc
AS6327 Shaw Communications
AS852 TELUS Communications Inc.
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Upstreams

There are 2 upstreams for this ASN.

upstreams Name
AS6327 Shaw Communications
AS852 TELUS Communications Inc.
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Downstreams

There are no downstreams for this ASN.

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ASN API & Database

Pingable IPs

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

IP Address ASN Details
142.66.2.1 AS11257 University of Lethbridge 3.76ms from Calgary, CA

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
128.92.188.169 AS20115 Charter Communications LLC 0.56ms from Atlanta, US
183.243.60.121 AS56048 China Mobile Communicaitons Corporation 1.48ms from Beijing, CN
41.65.217.9 AS36992 ETISALAT MISR 13.83ms from Cairo, EG
14.194.24.105 AS45820 Tata Teleservices ISP AS 0.72ms from Chennai, IN
75.250.179.233 AS6167 Verizon Business 14.79ms from Chicago, US
178.33.94.57 AS16276 OVH SAS 0.07ms from Gravelines, FR
219.135.209.89 AS4134 CHINANET BACKBONE 1.68ms from Guangzhou, CN
121.142.164.25 AS4766 Korea Telecom 0.53ms from Incheon, KR
194.36.8.9 AS198864 Queen Mary and Westfield College, University of London 1.12ms from London, GB
2.219.95.121 AS5607 Sky UK Limited 4.62ms from London, GB
12.116.205.9 AS7018 AT&T Enterprises, LLC 1.47ms from Los Angeles, US
178.126.75.73 AS6697 Republican Unitary Telecommunication Enterprise Beltelecom 5.03ms from Minsk, BY
62.245.224.201 AS8767 M-net Telekommunikations GmbH 3.58ms from Munich, DE
114.236.203.169 AS4134 CHINANET BACKBONE 6.48ms from Nanjing, CN
71.229.82.185 AS7922 Comcast Cable Communications, LLC 12.18ms from Orlando, US
189.44.15.9 AS10429 TELEFÔNICA BRASIL S.A 2.14ms from Osasco, BR
187.9.7.249 AS10429 TELEFÔNICA BRASIL S.A 1.64ms from Sao Paulo, BR
187.183.112.105 AS28573 Claro NXT Telecomunicacoes Ltda 10.16ms from Sao Paulo, BR
94.255.200.73 AS29518 Bredband2 AB 0.58ms from Stockholm, SE
1.40.88.73 AS4804 Microplex PTY LTD 1.94ms from Sydney, AU
141.195.94.217 AS13030 Init7 (Switzerland) Ltd. 0.26ms from Zuerich, CH
52.80.168.137 AS55960 Beijing Guanghuan Xinwang Digital 3.40ms from Beijing, CN
190.85.193.249 AS14080 Telmex Colombia S.A. 1.27ms from Bogota, CO
119.148.90.185 AS4851 Host Networks 0.39ms from Brisbane, AU
91.182.144.185 AS5432 Proximus NV 1.97ms from Brussels, BE

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 142.66.50.105
traceroute to 142.66.50.105 (142.66.50.105): 6 hops max, 52 byte packets
2 [AS58061] 38.180.36.1 0.242 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 AS11257 at robtex.

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