Data as of Nov 11, 2026
166.107.72.0/21
No anonymizer space · no proxy exits in 30 daysAlameda County
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 166.107.64.0/18 since Feb 2012 | AS12054 | Business | 2 | Alameda County |
Network & registry
Origin network
AS12054
US
- Name
- Alameda County
- Type
- Business
- Registered
- Jan 17, 2007
- Domain
- acgov.org
- Industry
- Government and Regulatory Agencies, Administrations, Departments, and Services
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2007
- Current origin since
- May 2007 · 19 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 166.
107. 0. 0/ 16 - Netname
- ALAMEDA
- Registrant
- Alameda County
- Organization
- Alameda County (ACDP)
- Org address
- 1221 Oak Street, Oakland, CA, 94612
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-166-107-0-0-1
- Parent
- NET-166-0-0-0-0
- Created
- Dec 3, 1993
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 3, 1993
- Status
- assigned
Report abuse
Abuse contact
- nobody@
example. com - Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN