Autonomous System details

AS11257

University of Lethbridge  ·  uleth.ca

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AS11257 – University of Lethbridge

Field Value
Country Canada
Website uleth.ca
Hosted domains 40
IPv4 addresses 65,536
IPv6 addresses 0
ASN type Education
Registry arin
Allocated 28 years ago on Jun 03, 1998
Updated 5 months ago on Aug 12, 2025
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


                                                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 40 domain names hosted across 12 IP addresses on this ASN.

IP Address Domain Domains on this IP
142.66.8.36 ██████████ 21
142.66.6.251 ██████████ 8
142.66.8.38 ██████████ 6
142.66.3.136 ██████████ 3
142.66.139.19 ██████████ 2
142.66.185.13 ██████████ 2
142.66.6.116 ██████████ 1
142.66.6.121 ██████████ 1
142.66.6.152 ██████████ 1
142.66.142.11 ██████████ 1

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Useful for Cybersecurity

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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Pingable IPs

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

IP Address ASN Details
142.66.2.2 AS11257 University of Lethbridge 3.79ms from Calgary, CA
142.66.17.10 AS11257 University of Lethbridge 4.19ms 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
176.40.116.105 AS34984 Superonline Iletisim Hizmetleri A.S. 5.89ms from Ankara, TR
184.71.40.217 AS6327 Shaw Communications 0.86ms from Calgary, CA
14.194.24.105 AS45820 Tata Teleservices ISP AS 0.68ms from Chennai, IN
97.223.221.201 AS6167 Verizon Business 9.61ms from Chicago, US
5.49.210.153 AS5410 Bouygues Telecom SA 7.32ms from Frankfurt am Main, DE
123.203.155.201 AS9269 Hong Kong Broadband Network Ltd. 1.26ms from Hong Kong, HK
12.193.180.137 AS7018 AT&T Enterprises, LLC 1.53ms from Houston, US
213.14.182.153 AS34984 Superonline Iletisim Hizmetleri A.S. 2.82ms from Izmir, TR
31.121.186.89 AS2856 British Telecommunications PLC 1.20ms from London, GB
154.14.205.9 AS3257 GTT Communications Inc. 0.18ms from London, GB
86.16.242.153 AS5089 Virgin Media Limited 9.79ms from London, GB
172.115.13.137 AS20001 Charter Communications Inc 5.83ms from Los Angeles, US
34.144.229.105 AS396982 Google LLC 0.07ms from Melbourne, AU
68.115.54.105 AS20115 Charter Communications LLC 13.41ms from Minneapolis, US
216.92.247.57 AS7859 pair Networks 0.15ms from Pittsburgh, US
61.3.17.121 AS9829 National Internet Backbone 17.80ms from Saint Thomas Mount, IN
148.64.113.57 AS36734 Paxio Inc. 2.29ms from San Jose, US
173.12.220.137 AS7922 Comcast Cable Communications, LLC 8.13ms from Santa Clara, US
14.79.11.73 AS4766 Korea Telecom 7.14ms from Seoul, KR
117.131.6.233 AS24400 Shanghai Mobile Communications Co.,Ltd. 2.95ms from Shanghai, CN
69.156.155.57 AS577 Bell Canada 11.33ms from Toronto, CA
217.76.174.105 AS8562 A1 Telekom Austria AG 14.20ms from Vienna, AT
182.50.160.185 AS45641 Advantage Limited 5.31ms from Christchurch, NZ
64.233.193.137 AS12083 WideOpenWest Finance LLC 7.77ms from Detroit, US
20.54.31.57 AS8075 Microsoft Corporation 0.15ms from Dublin, IE

Traceroute

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

$
traceroute -a -n -q1 -f2 -m10 142.66.116.186
traceroute to 142.66.116.186 (142.66.116.186): 10 hops max, 52 byte packets
2 [AS15169] 192.178.105.34 179.072 ms
3 *
4 *
5 [AS6509] 199.212.24.67 201.692 ms
6 [AS15296] 199.116.234.252 196.337 ms
7 [AS11257] 142.66.16.25 197.562 ms
8 *
9 *
10 *
Measurement taken from IPinfo ProbeNet in Melbourne, AU
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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