University of Washington operates AS73: 12 IPv4 prefixes covering 238,080 addresses, most of them in 
United States.
By IPv4 addresses the network ranks #932 worldwide and #266 of 18,202 networks in United States. That is 0.02% of the country’s IPv4 space.
The largest block is 140.142.0.0 to 140.142.255.255 with 65,536 addresses, geolocated to Seattle (Northeast Seattle).
- IPv4 addresses
- 238,080
- IPv4 prefixes
- 12
- World rank
- #932
- Country share
- 0.02%
- IPv6 ranges
- 2
Addresses by country
- United States 100%
Largest blocks
- 140.142.0.0 Seattle (Northeast Seattle)65,536
- 128.208.0.0 Seattle (Northeast Seattle)65,536
- 128.95.0.0 Seattle (Northeast Seattle)65,536
- 69.91.192.0 Seattle (University District)16,384
- 205.175.96.0 Seattle (Northeast Seattle)8,192
- 173.250.160.0 Seattle (University District)8,192
- 198.48.64.0 Seattle (University District)7,168
- 108.179.140.0 Seattle (University District)1,024
Networks of similar size
238,848
238,592
238,080
237,824
237,568
236,544IPv4 prefixes
Questions and answers
Who owns AS73?
Autonomous system AS73 is operated by University of Washington.
How many IP addresses does AS73 have?
The network holds 238,080 IPv4 addresses in 12 prefixes, plus 2 IPv6 ranges.
Which country is AS73 in?
The main country is United States.
How big is AS73?
By IPv4 addresses it ranks #932 worldwide.
What is the largest address block of AS73?
140.142.0.0 to 140.142.255.255, 65,536 addresses.