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
142.66.3.67 AS11257 University of Lethbridge 4.01ms from Calgary, CA
142.66.6.118 AS11257 University of Lethbridge 4.16ms from Calgary, CA
142.66.140.247 AS11257 University of Lethbridge 7.25ms from Calgary, CA
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
142.66.4.29 AS11257 University of Lethbridge 4.07ms from Calgary, CA
142.66.2.1 AS11257 University of Lethbridge 3.88ms from Calgary, CA
142.66.7.38 AS11257 University of Lethbridge 7.54ms 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
69.31.241.41 AS40473 Xplore Inc. 1.44ms from Calgary, CA
208.38.38.233 AS852 TELUS Communications Inc. 0.41ms from Calgary, CA
219.65.43.105 AS4755 TATA Communications formerly VSNL is Leading ISP 3.10ms from Delhi, IN
65.59.21.217 AS3356 Level 3 Parent, LLC 0.32ms from Denver, US
180.211.212.9 AS17494 Telecom Operator & Internet Service Provider as well 0.61ms from Dhaka, BD
2.19.84.137 AS16625 Akamai Technologies, Inc. 0.30ms from Duesseldorf, DE
89.56.113.89 AS207790 SWN Stadtwerke Neumuenster GmbH 2.33ms from Hamburg, DE
171.242.68.201 AS7552 Viettel Group 5.21ms from Hanoi, VN
222.100.178.137 AS4766 Korea Telecom 0.84ms from Incheon, KR
103.104.8.217 AS4800 PT Aplikanusa Lintasarta 0.93ms from Jakarta, ID
62.28.34.153 AS15525 MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A. 0.91ms from Lisbon, PT
47.145.153.217 AS5650 Frontier Communications of America, Inc. 1.97ms from Los Angeles, US
81.201.250.25 AS21365 MTS PJSC 4.33ms from Novosibirsk, RU
219.120.104.9 AS17506 ARTERIA Networks Corporation 3.87ms from Osaka, JP
90.7.168.57 AS3215 Orange S.A. 2.17ms from Paris, FR
88.53.128.73 AS3269 Telecom Italia S.p.A. 14.89ms from Rome, IT
83.202.54.233 AS3215 Orange S.A. 1.41ms from Saint-Denis, FR
174.27.219.137 AS209 CenturyLink Communications, LLC 10.81ms from Seattle, US
223.119.91.9 AS58453 China Mobile International Limited 6.80ms from Singapore, SG
221.114.21.41 AS17506 ARTERIA Networks Corporation 1.99ms from Tokyo, JP
85.0.226.41 AS3303 Swisscom (Switzerland) Ltd 0.63ms from Zuerich, CH
5.251.100.41 AS9198 JSC Kazakhtelecom 13.30ms from Almaty, KZ
176.58.156.217 AS25472 Nova Telecommunications & Media Single Member S.A 8.43ms from Athens, GR
98.124.68.217 AS16863 Home Telephone Company, Inc. 8.64ms from Atlanta, US
23.70.30.89 AS7922 Comcast Cable Communications, LLC 7.76ms from Atlanta, 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 142.66.152.29
traceroute to 142.66.152.29 (142.66.152.29): 10 hops max, 52 byte packets
1 [AS15169] 66.249.94.186 139.963 ms
2 [AS15169] 192.178.105.34 139.689 ms
3 [AS6509] 199.212.24.126 142.237 ms
4 [AS6509] 199.212.24.66 154.545 ms
5 [AS6509] 199.212.24.67 154.598 ms
6 [AS15296] 199.116.234.252 188.332 ms
7 [AS11257] 142.66.16.25 163.427 ms
8 *
9 *
10 *
Measurement taken from IPinfo ProbeNet in Brussels, BE
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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