Data as of Nov 6, 2026
169.199.4.0/24
1 residential-proxy exit · 30 daysContra Costa County Office of Education
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Providers
1
selling exits here
Oct 7, 2026 – Nov 5, 2026
Exits seen per day
1 observation
Proxy providers listing exits
- LemonBright
Network & registry
Announced by
Covering announcement 169.199.0.0/16
- Prefix
- 169.199.0.0/16
- Announced by
- AS23309 Contra Costa County Office of Education
- Type
- Business
- Proxy exits
- 15
- RPKI
- RPKI valid
- Netname
- CCCOE
- Registrant
- Contra Costa County Office of Education
- RIR
- ARIN
Origin network
AS23309
US
- Name
- Contra Costa County Office of Education
- Type
- Business
- Registered
- Feb 26, 2002
- Domain
- cccoe.k12.ca.us
- Industry
- Government and Public Administration
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 169.199.0.0/16
169.199.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 169.199.0.0/16 | AS23309 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 169.
199. 0. 0/ 16 - Netname
- CCCOE
- Registrant
- Contra Costa County Office of Education
- Organization
- Contra Costa County Office of Education (CCCOE-Z)
- Org address
- 77 Santa Barbara Road, Pleasant Hill, CA, 94523
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-169-199-0-0-1
- Parent
- NET-169-0-0-0-0
- Created
- Mar 24, 1995
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 24, 1995
- Status
- assigned
Report abuse
Abuse contact
- snash1@
cccoe. k12. ca. us - Name
- Nash, Spencer
- Phone
- +1-925-942-3405
- Handle
- NASHS7-ARIN