AS18558 is the autonomous system of Riverside County Office of Education. It holds 72,192 IPv4 addresses in 5 prefixes plus 1 IPv6 ranges, mainly in 
United States.
By IPv4 addresses the network ranks #2,365 worldwide and #751 of 18,202 networks in United States.
The largest block is 204.100.0.0 to 204.100.255.255 with 65,536 addresses, geolocated to Riverside (Downtown Riverside).
- IPv4 addresses
- 72,192
- IPv4 prefixes
- 5
- World rank
- #2,365
- IPv6 ranges
- 1
Addresses by country
- United States 100%
Largest blocks
- 204.100.0.0 Riverside (Downtown Riverside)65,536
- 204.26.32.0 Corona6,400
- 198.188.95.0 La Quinta256
Networks of similar size
- AS12551 ENEL S.p.A
72,448 - AS31163 PJSC MegaFon
72,192 - AS134771 WENZHOU, ZHEJIANG Province, P.R.China.
72,192 - AS7960 California Polytechnic State University72,192
- AS4758 National Informatics Centre
71,936 - AS29522 Cyber_Folks S.A.
71,936 - AS802 York University
71,936 - AS14127 Iland Internet Solutions Corporation71,680
IPv4 prefixes
Questions and answers
Who owns AS18558?
Autonomous system AS18558 is operated by Riverside County Office of Education.
How many IP addresses does AS18558 have?
The network holds 72,192 IPv4 addresses in 5 prefixes, plus 1 IPv6 ranges.
Which country is AS18558 in?
The main country is United States.
How big is AS18558?
By IPv4 addresses it ranks #2,365 worldwide.
What is the largest address block of AS18558?
204.100.0.0 to 204.100.255.255, 65,536 addresses.