AS12054
Alameda County
AS12054 is Alameda County (acgov.org). It announces 16,384 IPv4 addresses in 5 prefixes, and 0 IPv6 prefixes.
United States· ARIN· allocated 2007-01-17· business
16,384
IPv4 addresses announced
5
IPv4 prefixes
0
IPv6 prefixes
0.00%
of its routes RPKI-valid
16,384
of its IPv4 geolocated
1
country
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- United States16,384 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- ALAMEDACOUNTYDATAPROCESSING
- name
- Alameda County
- org
- ACDP
- org name
- Alameda County
- org address
- 1221 Oak Street, RM 41, ITD Data Center, Oakland, CA, 94612
- org city
- Oakland
- org country
- US
- country
- US
- source
- arin
- created
- 2007-01-17
- updated
- 2017-11-02
- remarks
- http://www.acgov.org
- abuse name
- Network Services
- abuse email
- geoff.nordin@acgov.org
- abuse phone
- +1-510-383-5000
- abuse kind
- role
- abuse city
- Oakland
- abuse country
- US
- admin name
- Network Services
- admin email
- geoff.nordin@acgov.org
- admin phone
- +1-510-383-5000
- admin kind
- role
- admin city
- Oakland
- admin country
- US
- tech
- NETWO8351-ARIN
- tech name
- Network Services
- tech email
- geoff.nordin@acgov.org
- tech phone
- +1-510-383-5000
- tech kind
- role
- tech city
- Oakland
- tech country
- US
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- 0.01%
- anyip0.01%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.01%
- None here
- None here
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 166.107.64.0/18 | United States | not found | 17 | 2026-10-02 |
| 166.107.71.0/24 | United States | not found | 17 | 2026-10-02 |
| 166.107.72.0/21 | United States | not found | 17 | 2026-10-02 |
| 166.107.80.0/20 | United States | not found | 17 | 2026-10-02 |
| 166.107.96.0/20 | United States | not found | 17 | 2026-10-02 |
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