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 6 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 ██████████ 18
142.66.6.251 ██████████ 8
142.66.8.38 ██████████ 6
142.66.3.136 ██████████ 3
142.66.139.19 ██████████ 2
142.66.142.11 ██████████ 1
142.66.6.121 ██████████ 1
142.66.142.10 ██████████ 1
142.66.6.152 ██████████ 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

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

IP Address ASN Details
142.66.7.87 AS11257 University of Lethbridge 7.24ms from Calgary, CA
142.66.3.67 AS11257 University of Lethbridge 4.08ms from Calgary, CA
142.66.6.139 AS11257 University of Lethbridge 4.07ms from Calgary, CA
142.66.17.5 AS11257 University of Lethbridge 4.31ms from Calgary, CA
142.66.4.29 AS11257 University of Lethbridge 4.07ms from Calgary, CA
142.66.2.1 AS11257 University of Lethbridge 3.91ms from Calgary, CA
142.66.140.247 AS11257 University of Lethbridge 4.07ms from Calgary, CA
142.66.5.233 AS11257 University of Lethbridge 4.18ms from Calgary, CA
142.66.8.10 AS11257 University of Lethbridge 4.24ms 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
108.31.79.89 AS701 Verizon Business 2.12ms from Ashburn, US
64.223.136.89 AS13977 Fidium 3.13ms from Boston, US
50.224.157.201 AS7922 Comcast Cable Communications, LLC 1.34ms from Boston, US
168.102.133.249 AS400236 East Allen County Schools 9.18ms from Chicago, US
174.143.54.201 AS33070 Rackspace Hosting 1.20ms from Dallas, US
154.220.47.41 AS132839 POWER LINE DATACENTER 1.05ms from Hong Kong, HK
156.226.173.137 AS61112 AkileCloud Network 0.32ms from Hong Kong, HK
115.160.139.73 AS9381 HKBN Enterprise Solutions HK Limited 0.69ms from Hong Kong, HK
121.142.164.25 AS4766 Korea Telecom 0.57ms from Incheon, KR
103.153.42.249 AS140444 Universitas Binawan 0.31ms from Jakarta, ID
109.180.188.105 AS2856 British Telecommunications PLC 4.75ms from London, GB
78.32.200.57 AS8468 ENTANET International Limited 11.21ms from London, GB
108.60.233.121 AS8014 Bahamas Telecommunications Corporation 2.06ms from Nassau, BS
183.132.234.73 AS4134 CHINANET-BACKBONE 8.34ms from Ningbo, CN
187.9.7.249 AS10429 TELEFÔNICA BRASIL S.A 1.80ms from Osasco, BR
158.248.110.41 AS29695 Lyse Tele AS 13.01ms from Oslo, NO
27.206.140.169 AS4837 CHINA UNICOM China169 Backbone 10.32ms from Qingdao, CN
186.5.122.169 AS27947 Telconet S.A 2.25ms from Quito, EC
131.255.16.185 AS52468 UFINET PANAMA S.A. 6.60ms from San Pedro, CR
67.136.136.73 AS7385 Allstream Business US, LLC 5.14ms from Seattle, US
59.24.10.89 AS4766 Korea Telecom 5.89ms from Seoul, KR
210.22.172.73 AS17621 China Unicom Shanghai network 2.59ms from Shanghai, CN
187.38.44.233 AS28573 Claro NXT Telecomunicacoes Ltda 5.49ms from São Paulo, BR
114.34.1.153 AS3462 Data Communication Business Group 1.65ms from Taipei, TW
113.232.83.249 AS4837 CHINA UNICOM China169 Backbone 7.48ms from Tieling, CN

Traceroute

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

$
traceroute -a -n -q1 -m10 142.66.56.180
traceroute to 142.66.56.180 (142.66.56.180): 10 hops max, 52 byte packets
1 [AS15169] 66.249.94.186 222.908 ms
2 [AS15169] 108.170.255.174 222.705 ms
3 [AS6509] 199.212.24.126 225.605 ms
4 [AS6509] 199.212.24.66 235.63 ms
5 [AS6509] 199.212.24.67 237.342 ms
7 [AS11257] 142.66.16.25 275.57 ms
8 *
9 *
10 *
Measurement taken from IPinfo ProbeNet in Doha, QA
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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