Data as of Nov 13, 2026
204.100.136.0/22
No anonymizer space · no proxy exits in 30 daysRiverside County Office of Education · space held by County of Riverside
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 204.100.0.0/16 since Aug 2007 | AS18558 | Business | 11 | County of Riverside |
Network & registry
Origin network
AS18558
US
- Name
- Riverside County Office of Education
- Type
- Education
- Registered
- Sep 12, 2000
- Domain
- rcoe.us
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 2014
- Current origin since
- Oct 2014 · 12 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 204.
100. 0. 0/ 16 - Netname
- RCOEK-12NET
- Registrant
- County of Riverside
- Organization
- County of Riverside (COUNTY-20)
- Org address
- Information Technology Services, Riverside, CA, 92502
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-204-100-0-0-1
- Parent
- NET-204-0-0-0-0
- Created
- Jul 13, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Jul 13, 1994
- Status
- assigned
Report abuse
Abuse contact
- dwilkinson@
rcoe. us - Name
- Wilkinson, David
- Phone
- +1-951-826-6560
- Handle
- WILKI325-ARIN