AS23237 is the autonomous system of McMaster University. It holds 66,048 IPv4 addresses in 3 prefixes plus 1 IPv6 ranges, mainly in 
Canada.
By IPv4 addresses the network ranks #2,702 worldwide and #77 of 1,545 networks in Canada. That is 0.07% of the country’s IPv4 space.
The largest block is 130.113.0.0 to 130.113.255.255 with 65,536 addresses, geolocated to Hamilton (Cootes Paradise A).
- IPv4 addresses
- 66,048
- IPv4 prefixes
- 3
- World rank
- #2,702
- Country share
- 0.07%
- IPv6 ranges
- 1
Addresses by country
- Canada 100%
Largest blocks
- 130.113.0.0 Hamilton (Cootes Paradise A)65,536
- 192.42.5.0 Hamilton (Cootes Paradise A)512
Networks of similar size
- AS55194 Bowling Green State University
66,048 - AS7276 University of Houston66,048
- AS7050 University of Wisconsin - Milwaukee66,048
- AS11279 George Mason University66,048
- AS9431 The University of Auckland
66,048 - AS11348 Missouri University of Science and Technology66,048
- AS7573 Australian Academic and Research Network
66,048 - AS6366 Portland State University66,048
IPv4 prefixes
Questions and answers
Who owns AS23237?
Autonomous system AS23237 is operated by McMaster University.
How many IP addresses does AS23237 have?
The network holds 66,048 IPv4 addresses in 3 prefixes, plus 1 IPv6 ranges.
Which country is AS23237 in?
The main country is Canada.
How big is AS23237?
By IPv4 addresses it ranks #2,702 worldwide.
What is the largest address block of AS23237?
130.113.0.0 to 130.113.255.255, 65,536 addresses.