129.100.196.0/23

AS823 · University of Western Ontario

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Summary

Country	Canada
Domain	uwo.ca
ASN	AS823
Parent Range	129.100.0.0/16
Registry	ARIN
ID	UWO-NET

WHOIS Details

NetHandle:      NET-129-100-0-0-1
OrgID:          UWO-Z
Parent:         NET-129-0-0-0-0
NetName:        UWO-NET
NetRange:       129.100.0.0 - 129.100.255.255
NetType:        allocation
RegDate:        1987-10-27
Updated:        2021-12-14
TechHandle:     NOC310-ARIN
AbuseHandle:    NAC96-ARIN
NOCHandle:      NOC310-ARIN
Source:         ARIN


OrgID:          UWO-Z
OrgName:        University of Western Ontario
CanAllocate:    
Street:         Western Technology Services
Street:         1393 Western Road
Street:         Rm SSB 4352
City:           London
State/Prov:     ON
Country:        CA
PostalCode:     N6G-1G9
RegDate:        2021-02-17
Updated:        2025-10-14
OrgAdminHandle: NOC310-ARIN
OrgTechHandle:  NOC310-ARIN
OrgAbuseHandle: NOC310-ARIN
Source:         ARIN


POCHandle:      NOC310-ARIN
IsRole:         Y
LastName:       Network Operations Centre
FirstName:      
Street:         Information Technology Services
Street:         1393 Western Road
Street:         Rm SSB 4352
City:           London
State/Prov:     ON
Country:        CA
PostalCode:     N6G-1G9
RegDate:        2003-02-04
Updated:        2025-10-14
OfficePhone:    +1-519-661-3525
Mailbox:        noc@uwo.ca
Source:         ARIN


POCHandle:      NAC96-ARIN
IsRole:         Y
LastName:       Network Abuse Contact
FirstName:      
Street:         Western Technology Services
Street:         1393 Western Road
Street:         Rm SSB 4352
City:           London
State/Prov:     ON
Country:        CA
PostalCode:     N6G-1G9
RegDate:        2014-02-28
Updated:        2025-05-01
OfficePhone:    +1-519-661-3525
Mailbox:        abuse@uwo.ca
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 129.100.196.0/23

Range	ASN	Company	Num of IPs
129.100.0.0/16	AS823	University of Western Ontario	65,536

Nearby Ranges

BGP prefixes that overlap with 129.100.0.0/16

Range	ASN	Company	Num of IPs
129.100.0.0/16	AS823	University of Western Ontario	65,536

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

Useful for Cybersecurity

Read more

Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

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
24.210.73.231	AS10796 Charter Communications Inc	`9.63ms` from Columbus, US
34.13.106.215	AS396982 Google LLC	`0.53ms` from Dallas, US
43.240.100.135	AS38026 MetroNet Bangladesh Limited, Fiber Optic Based Metropolitan Data	`0.62ms` from Dhaka, BD
3.126.216.183	AS16509 Amazon.com, Inc.	`0.19ms` from Frankfurt am Main, DE
87.156.51.199	AS3320 Deutsche Telekom AG	`5.40ms` from Frankfurt am Main, DE
85.188.2.23	AS34387 Netcrew ry	`0.79ms` from Helsinki, FI
106.202.162.23	AS24560 Bharti Airtel Ltd., Telemedia Services	`15.10ms` from Kolkata, IN
119.113.118.183	AS4837 CHINA UNICOM China169 Backbone	`9.63ms` from Liaoyang, CN
15.157.28.103	AS16509 Amazon.com, Inc.	`0.14ms` from Montreal, CA
208.82.155.103	AS20038 Allentown School District	`8.40ms` from Philadelphia, US
75.231.213.119	AS6167 Verizon Business	`8.91ms` from Portland, US
85.71.32.55	AS5610 O2 Czech Republic, a.s.	`13.34ms` from Prague, CZ
118.190.239.151	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`0.37ms` from Qingdao, CN
61.73.79.135	AS4766 Korea Telecom	`1.06ms` from Seoul, KR
210.139.155.119	AS2527 Sony Network Communications Inc.	`7.14ms` from Tokyo, JP
217.79.83.199	AS16154 Telecoms-Net Ltd.	`0.67ms` from Varna, BG
81.241.140.151	AS5432 Proximus NV	`5.22ms` from Amsterdam, NL
40.117.149.167	AS8075 Microsoft Corporation	`0.45ms` from Ashburn, US
71.131.223.23	AS55960 Beijing Guanghuan Xinwang Digital	`4.30ms` from Beijing, CN
201.179.51.247	AS22927 Telefonica de Argentina	`7.88ms` from Buenos Aires, AR
142.168.38.215	AS19190 TELUS Communications Inc.	`0.69ms` from Chicago, US
134.147.249.183	AS29484 Ruhr-Universitaet Bochum	`3.35ms` from Duesseldorf, DE
223.122.117.151	AS137872 China Mobile Hong Kong Company Limited	`1.90ms` from Hong Kong, HK
168.63.209.103	AS8075 Microsoft Corporation	`0.30ms` from Hong Kong, HK
83.50.191.39	AS3352 TELEFONICA DE ESPANA S.A.U.	`9.35ms` from Madrid, ES

Traceroute

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

traceroute -a -n -q1 -m4 129.100.197.33

traceroute to 129.100.197.33 (129.100.197.33): 4 hops max, 52 byte packets

1 [AS263812] 190.103.177.1 0.13 ms

2 *

3 *

4 *

Measurement taken from

IPinfo ProbeNet in Cordoba, AR

On November 14th 2025

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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