Report for 12054

Name

ALAMEDACOUNTYDATAPROCESSING - Alameda County, US

AS Adjacency Report

In the context of this report "Upstream" indicates that there is an adjacent AS that lines between the BGP table collection point (in this case at AS2.0) and the specified AS. Similarly, "Downstream" refers to an adjacent AS that lies beyond the specified AS. This upstream / downstream categorisation is strictly a description relative topology, and should not be confused with provider / customer / peer inter-AS relationships.

12054 ALAMEDACOUNTYDATAPROCESSING - Alameda County, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS7018          ATT-INTERNET4 - AT&T Enterprises, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
5836  AS12054        ORIGIN  Originate:      26880 /17.29  Transit:          0 /0.00  ALAMEDACOUNTYDATAPROCESSING - Alameda County, US

Aggregation Suggestions

        Filter: Aggregates, Specifics

This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
 9541 AS12054       ALAMEDACOUNTYDATAPROCESSING - Alameda County,      5      4      0      1      4  80.00%


  Prefix               AS Path                              Aggregation Suggestion
  166.107.64.0/18      4777 2497 7018 12054   
  166.107.71.0/24      4777 2497 7018 12054 - Withdrawn - matching aggregate 166.107.64.0/18 4777 2497 7018 12054
  166.107.72.0/21      4777 2497 7018 12054 - Withdrawn - matching aggregate 166.107.64.0/18 4777 2497 7018 12054
  166.107.80.0/20      4777 2497 7018 12054 - Withdrawn - matching aggregate 166.107.64.0/18 4777 2497 7018 12054
  166.107.96.0/20      4777 2497 7018 12054 - Withdrawn - matching aggregate 166.107.64.0/18 4777 2497 7018 12054

Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.

AS12054   5 More Specifics   5 Total Advertisements   ALAMEDACOUNTYDATAPROCESSING - Alameda County, US
    166.107.64.0/18               166.107.0.0/16
    166.107.71.0/24               166.107.0.0/16
    166.107.72.0/21               166.107.0.0/16
    166.107.80.0/20               166.107.0.0/16
    166.107.96.0/20               166.107.0.0/16

Whois Entry

whois: 402591

IANA has recorded AS12054 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS12054\n             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
             #
             
             
             ASNumber:       12054
             ASName:         ALAMEDACOUNTYDATAPROCESSING
             ASHandle:       AS12054
             RegDate:        2007-01-17
             Updated:        2017-11-02
             Comment:        http://www.acgov.org
             Ref:            https://rdap.arin.net/registry/autnum/12054
             
             
             OrgName:        Alameda County
             OrgId:          ACDP
             Address:        1221 Oak Street
             Address:        RM 41, ITD Data Center
             City:           Oakland
             StateProv:      CA
             PostalCode:     94612
             Country:        US
             RegDate:        1993-12-03
             Updated:        2019-11-13
             Ref:            https://rdap.arin.net/registry/entity/ACDP
             
             
             OrgAbuseHandle: NETWO8351-ARIN
             OrgAbuseName:   Network Services
             OrgAbusePhone:  +1-510-383-5000 
             OrgAbuseEmail:  ns@acgov.org
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO8351-ARIN
             
             OrgNOCHandle: NETWO8351-ARIN
             OrgNOCName:   Network Services
             OrgNOCPhone:  +1-510-383-5000 
             OrgNOCEmail:  ns@acgov.org
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NETWO8351-ARIN
             
             OrgTechHandle: NETWO8351-ARIN
             OrgTechName:   Network Services
             OrgTechPhone:  +1-510-383-5000 
             OrgTechEmail:  ns@acgov.org
             OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO8351-ARIN
             
             RNOCHandle: NETWO8351-ARIN
             RNOCName:   Network Services
             RNOCPhone:  +1-510-383-5000 
             RNOCEmail:  ns@acgov.org
             RNOCRef:    https://rdap.arin.net/registry/entity/NETWO8351-ARIN
             
             RTechHandle: NETWO8351-ARIN
             RTechName:   Network Services
             RTechPhone:  +1-510-383-5000 
             RTechEmail:  ns@acgov.org
             RTechRef:    https://rdap.arin.net/registry/entity/NETWO8351-ARIN
             
             RNOCHandle: IHD2-ARIN
             RNOCName:   ITD Help Desk
             RNOCPhone:  +1-510-272-3744 
             RNOCEmail:  itdhelpdesk@acgov.org
             RNOCRef:    https://rdap.arin.net/registry/entity/IHD2-ARIN
             
             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
             #