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 7 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
142.66.17.5 AS11257 University of Lethbridge 4.47ms from Calgary, CA
142.66.8.131 AS11257 University of Lethbridge 4.19ms from Calgary, CA
142.66.5.233 AS11257 University of Lethbridge 7.40ms from Calgary, CA
142.66.6.118 AS11257 University of Lethbridge 4.16ms from Calgary, CA
142.66.7.38 AS11257 University of Lethbridge 7.54ms from Calgary, CA
142.66.2.1 AS11257 University of Lethbridge 3.88ms from Calgary, CA
142.66.4.29 AS11257 University of Lethbridge 4.07ms from Calgary, CA
142.66.3.67 AS11257 University of Lethbridge 4.01ms from Calgary, CA
142.66.140.247 AS11257 University of Lethbridge 7.25ms 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
92.99.36.105 AS5384 Emirates Internet 2.95ms from Al Fujairah City, AE
100.53.24.105 AS14618 Amazon.com, Inc. 0.69ms from Ashburn, US
199.30.114.9 AS40749 CLARKSVILLE DEPARTMENT OF ELECTRICITY 6.88ms from Atlanta, US
50.224.157.201 AS7922 Comcast Cable Communications, LLC 1.33ms from Boston, US
49.249.35.249 AS45820 Tata Teleservices ISP AS 1.47ms from Chennai, IN
45.121.26.25 AS131429 MOBIFONE Corporation 0.99ms from Hanoi, VN
210.206.21.105 AS3786 LG DACOM Corporation 1.38ms from Incheon, KR
36.93.182.41 AS7713 PT Telekomunikasi Indonesia 10.10ms from Jakarta, ID
121.122.49.185 AS9534 Binariang Berhad 3.61ms from Kuala Lumpur, MY
62.110.97.73 AS3269 Telecom Italia S.p.A. 9.50ms from Milan, IT
219.120.104.9 AS17506 ARTERIA Networks Corporation 3.87ms from Osaka, JP
126.26.226.249 AS17676 SoftBank Corp. 2.63ms from Osaka, JP
18.229.209.121 AS16509 Amazon.com, Inc. 0.20ms from Osasco, BR
64.174.24.25 AS7018 AT&T Enterprises, LLC 6.41ms from San Jose, US
1.216.227.153 AS3786 LG DACOM Corporation 1.30ms from Seoul, KR
12.31.90.9 AS7018 AT&T Enterprises, LLC 7.09ms from Atlanta, US
150.242.74.201 AS132453 TRIPLE PLAY BROADBAND PRIVATE LIMITED 1.08ms from Delhi, IN
60.186.189.217 AS4134 CHINANET-BACKBONE 5.83ms from Hangzhou, CN
103.153.42.249 AS140444 Universitas Binawan 0.39ms from Jakarta, ID
168.209.241.249 AS3741 Dimension Data 0.94ms from Johannesburg, ZA
206.168.18.105 AS19504 WTC Communications, Inc. 4.07ms from Kansas City, US
95.138.124.25 AS21351 Canal + Telecom SAS 0.13ms from Le Lamentin, MQ
197.219.145.201 AS37342 Movitel, SA 2.56ms from Maputo, MZ
87.13.201.41 AS3269 Telecom Italia S.p.A. 5.95ms from Milan, IT
24.184.154.25 AS6128 Cablevision Systems Corp. 6.16ms 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 -m10 142.66.129.83
traceroute to 142.66.129.83 (142.66.129.83): 10 hops max, 52 byte packets
1 [AS15169] 66.249.94.186 75.539 ms
3 [AS6509] 199.212.24.126 74.563 ms
5 [AS6509] 199.212.24.67 89.56 ms
7 [AS11257] 142.66.16.25 88.315 ms
8 *
9 *
10 *
Measurement taken from IPinfo ProbeNet in Ashburn, US
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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