AS number details

AS11257

University of Lethbridge  ·  uleth.ca

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AS11257 – University of Lethbridge

Field Value
Country Canada
Website uleth.ca
Hosted domains 36
Number of IPv4 65,536
Number of IPv6 0
ASN type Education
Registry arin
Allocated 27 years ago on Jun 03, 1998
Updated a month 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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IP Ranges API

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 36 domain names hosted across 11 IP addresses on this ASN.

IP Address Domain Domains on this IP
142.66.8.36 ██████████ 20
142.66.6.251 ██████████ 9
142.66.8.38 ██████████ 5
142.66.3.136 ██████████ 3
142.66.139.19 ██████████ 2
142.66.6.152 ██████████ 1
142.66.6.116 ██████████ 1
142.66.142.11 ██████████ 1
142.66.17.3 ██████████ 1
142.66.6.121 ██████████ 1

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Useful for Cybersecurity

Peers

There are 3 peers for this ASN.

Peers Name
AS15296 Cybera Inc
AS6327 Shaw Communications Inc.
AS852 TELUS Communications Inc.
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Upstreams

There are 2 upstreams for this ASN.

upstreams Name
AS6327 Shaw Communications Inc.
AS852 TELUS Communications Inc.
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Downstreams

There are no downstreams for this ASN.

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Pingable IPs

1 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 7.36ms 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
12.96.207.217 AS7018 AT&T Enterprises, LLC 5.61ms from Atlanta, US
47.93.184.153 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 2.06ms from Beijing, CN
178.148.146.105 AS31042 Serbia BroadBand-Srpske Kablovske mreze d.o.o. 5.64ms from Belgrade, RS
85.108.39.25 AS9121 Turk Telekomunikasyon Anonim Sirketi 11.48ms from Bursa, TR
102.44.201.185 AS8452 TE-AS 4.26ms from Cairo, EG
177.131.112.137 AS262391 ACESSOLINE TELECOMUNICAÇÕES LTDA 1.01ms from Chapeco, BR
96.65.72.249 AS7922 Comcast Cable Communications, LLC 5.84ms from Chicago, US
209.152.6.105 AS6461 Zayo Bandwidth 0.70ms from Dallas, US
103.234.166.89 AS38200 BTS Communications (BD) ltd, 0.67ms from Dhaka, BD
217.247.109.89 AS3320 Deutsche Telekom AG 4.55ms from Frankfurt am Main, DE
80.170.167.105 AS1257 Tele2 Sverige AB 0.48ms from Goeteborg, SE
27.78.213.89 AS7552 Viettel Group 2.85ms from Ho Chi Minh City, VN
14.198.55.25 AS9269 Hong Kong Broadband Network Ltd. 0.77ms from Hong Kong, HK
85.118.18.41 AS13009 Redcentric Solutions Ltd 0.64ms from London, GB
37.152.128.25 AS57970 OLE COMUNICACION S.L. 7.78ms from Madrid, ES
34.139.220.89 AS396982 Google LLC 0.17ms from Moncks Corner, US
114.143.105.105 AS17762 Tata Teleservices Maharashtra Ltd 0.58ms from Mumbai, IN
63.65.182.217 AS701 Verizon Business 1.63ms from New York City, US
121.84.12.25 AS17511 OPTAGE Inc. 2.24ms from Osaka, JP
27.93.123.89 AS2516 KDDI CORPORATION 0.74ms from Osaka, JP
45.238.35.9 AS263155 NG TELECOM 10.94ms from Osasco, BR
79.81.167.25 AS15557 Societe Francaise Du Radiotelephone - SFR SA 2.27ms from Paris, FR
51.103.11.217 AS8075 Microsoft Corporation 0.16ms from Paris, FR
207.255.140.25 AS11776 Breezeline 19.52ms from Pittsburgh, US
170.79.223.105 AS263864 VERO S.A 5.97ms from Porto Alegre, BR

Traceroute

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

$
traceroute -a -n -q1 -m10 142.66.252.66
traceroute to 142.66.252.66 (142.66.252.66): 10 hops max, 52 byte packets
1 [AS15169] 66.249.94.186 55.049 ms
3 [AS6509] 199.212.24.228 56.531 ms
4 [AS6509] 199.212.24.66 70.808 ms
5 [AS6509] 199.212.24.67 71.372 ms
7 [AS11257] 142.66.16.25 58.888 ms
8 *
9 *
10 *
Measurement taken from IPinfo ProbeNet in Columbus, 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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