AS823 is the autonomous system of University of Western Ontario. It holds 65,792 IPv4 addresses in 2 prefixes plus 1 IPv6 ranges, mainly in 
Canada.
By IPv4 addresses the network ranks #2,760 worldwide and #81 of 1,545 networks in Canada. That is 0.07% of the country’s IPv4 space.
The largest block is 129.100.0.0 to 129.100.255.255 with 65,536 addresses, geolocated to Toronto.
- IPv4 addresses
- 65,792
- IPv4 prefixes
- 2
- World rank
- #2,760
- Country share
- 0.07%
- IPv6 ranges
- 1
Addresses by country
- Canada 100%
Largest blocks
- 129.100.0.0 Toronto65,536
- 205.189.1.0 London (Medway)256
Networks of similar size
- AS209781 BASF Digital Solutions GmbH
65,792 - AS4385 Rochester Institute of Technology
65,792 - AS6406 Thomas Jefferson National Accelerator Facility65,792
- AS12093 University of Waterloo65,792
- AS28714 Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.65,792
- AS2833 Umea University
65,792 - AS135893 La Trobe University
65,792 - AS36368 Oberlin College65,792
IPv4 prefixes
Questions and answers
Who owns AS823?
Autonomous system AS823 is operated by University of Western Ontario.
How many IP addresses does AS823 have?
The network holds 65,792 IPv4 addresses in 2 prefixes, plus 1 IPv6 ranges.
Which country is AS823 in?
The main country is Canada.
How big is AS823?
By IPv4 addresses it ranks #2,760 worldwide.
What is the largest address block of AS823?
129.100.0.0 to 129.100.255.255, 65,536 addresses.