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
142.66.8.10 AS11257 University of Lethbridge 4.24ms 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
142.66.6.139 AS11257 University of Lethbridge 4.07ms from Calgary, CA
142.66.3.67 AS11257 University of Lethbridge 4.08ms from Calgary, CA
142.66.5.233 AS11257 University of Lethbridge 4.18ms from Calgary, CA
142.66.17.5 AS11257 University of Lethbridge 4.31ms from Calgary, CA
142.66.7.87 AS11257 University of Lethbridge 7.24ms from Calgary, CA
142.66.4.29 AS11257 University of Lethbridge 4.07ms 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
212.251.85.169 AS1241 Forthnet 3.17ms from Athens, GR
200.89.138.25 AS7303 Telecom Argentina S.A. 0.68ms from Buenos Aires, AR
208.40.34.185 AS2707 First Communications LLC 1.74ms from Cleveland, US
12.157.177.201 AS7018 AT&T Enterprises, LLC 1.06ms from Dallas, US
38.81.229.9 AS400164 Ripple Fiber Inc. 1.73ms from Detroit, US
87.200.24.121 AS15802 Emirates Integrated Telecommunications Company PJSC 3.38ms from Dubai, AE
23.32.70.217 AS32787 Akamai Technologies, Inc. 0.23ms from Dubai, AE
84.119.102.217 AS3209 Vodafone GmbH 6.60ms from Duesseldorf, DE
188.174.5.105 AS8767 M-net Telekommunikations GmbH 4.88ms from Frankfurt am Main, DE
62.121.54.185 AS39699 Lounea Palvelut Oy 2.57ms from Helsinki, FI
103.153.42.249 AS140444 Universitas Binawan 0.31ms from Jakarta, ID
193.122.90.137 AS31898 Oracle Corporation 0.14ms from Jeddah, SA
196.192.54.185 AS328632 RTS Net Pty Ltd 6.79ms from Johannesburg, ZA
63.199.253.217 AS7018 AT&T Enterprises, LLC 3.57ms from Los Angeles, US
61.160.98.233 AS4134 CHINANET-BACKBONE 3.46ms from Nanjing, CN
72.231.11.73 AS12271 Charter Communications Inc 2.11ms from New York City, US
62.134.164.57 AS5400 British Telecommunications PLC 8.15ms from Nuernberg, DE
221.246.213.137 AS17506 ARTERIA Networks Corporation 2.14ms from Osaka, JP
18.214.221.89 AS14618 Amazon.com, Inc. 0.20ms from Reston, US
187.12.60.73 AS7738 V tal 6.62ms from Rio de Janeiro, BR
66.120.2.169 AS7018 AT&T Enterprises, LLC 2.55ms from San Jose, US
12.178.75.57 AS7018 AT&T Enterprises, LLC 5.39ms from Secaucus, US
125.244.111.57 AS9316 DACOM-PUBNETPLUS 1.85ms from Seoul, KR
140.125.152.105 AS1659 Taiwan Academic Network (TANet) Information Center 12.53ms from Taipei, TW
185.39.40.153 AS62352 XFERA Moviles S.A. 1.11ms from Valencia, ES

Traceroute

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

$
traceroute -a -n -q1 -m4 142.66.128.201
traceroute to 142.66.128.201 (142.66.128.201): 4 hops max, 52 byte packets
1 [AS149573] 151.243.98.1 258.841 ms
2 *
3 *
4 *
Measurement taken from IPinfo ProbeNet in Hyderabad, IN
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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