AS38 is the autonomous system of University of Illinois. It holds 210,944 IPv4 addresses in 6 prefixes plus 2 IPv6 ranges, mainly in 
United States.
By IPv4 addresses the network ranks #1,025 worldwide and #296 of 18,202 networks in United States. That is 0.01% of the country’s IPv4 space.
The largest block is 192.17.0.0 to 192.17.255.255 with 65,536 addresses, geolocated to Urbana.
- IPv4 addresses
- 210,944
- IPv4 prefixes
- 6
- World rank
- #1,025
- Country share
- 0.01%
- IPv6 ranges
- 2
Addresses by country
- United States 100%
Largest blocks
- 192.17.0.0 Urbana65,536
- 130.126.0.0 Urbana65,536
- 128.174.0.0 Champaign65,536
- 72.36.64.0 Urbana14,336
Networks of similar size
- AS197540 netcup GmbH
212,544 - AS29066 velia.net Internetdienste GmbH
212,064 - AS22552 eSited Solutions211,712
- AS2055 Louisiana State University211,456
- AS39686 Eurofiber Nederland BV
210,176 - AS29357 NATIONAL MOBILE TELECOMMUNICATIONS COMPANY K.S.C.P.
209,920 - AS54614 CIK Telecom INC
209,664 - AS27738 Ecuadortelecom S.A.
209,152
IPv4 prefixes
Questions and answers
Who owns AS38?
Autonomous system AS38 is operated by University of Illinois.
How many IP addresses does AS38 have?
The network holds 210,944 IPv4 addresses in 6 prefixes, plus 2 IPv6 ranges.
Which country is AS38 in?
The main country is United States.
How big is AS38?
By IPv4 addresses it ranks #1,025 worldwide.
What is the largest address block of AS38?
192.17.0.0 to 192.17.255.255, 65,536 addresses.