Report for 40248

Name

CSL0-AS - County of San Luis Obispo, 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.

40248 CSL0-AS - County of San Luis Obispo, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
11317 AS40248        ORIGIN  Originate:       8448 /18.96  Transit:          0 /0.00  CSL0-AS - County of San Luis Obispo, 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       %
22304 AS40248       CSL0-AS - County of San Luis Obispo, US            2      1      0      1      1  50.00%


  Prefix               AS Path                              Aggregation Suggestion
  204.88.224.0/19      4777 2516 3356 40248   
  204.88.250.0/24      4777 2516 3356 40248 - Withdrawn - matching aggregate 204.88.224.0/19 4777 2516 3356 40248

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

AS40248   1 More Specifics   2 Total Advertisements   CSL0-AS - County of San Luis Obispo, US
    204.88.250.0/24               204.88.224.0/19

Whois Entry

whois: 402332

IANA has recorded AS40248 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS40248\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:       40248
             ASName:         CSL0-AS
             ASHandle:       AS40248
             RegDate:        2006-09-25
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/40248
             
             
             OrgName:        County of San Luis Obispo
             OrgId:          CSLO-1
             Address:        Information Technology Department
             Address:        Government Center, Room 400
             City:           San Luis Obispo
             StateProv:      CA
             PostalCode:     93408
             Country:        US
             RegDate:        1994-11-17
             Updated:        2009-06-09
             Ref:            https://rdap.arin.net/registry/entity/CSLO-1
             
             
             OrgAbuseHandle: ITDAB-ARIN
             OrgAbuseName:   ITD Abuse
             OrgAbusePhone:  +1-805-788-2800 
             OrgAbuseEmail:  abuse@co.slo.ca.us
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ITDAB-ARIN
             
             OrgTechHandle: ITDHO-ARIN
             OrgTechName:   ITD Hostmaster
             OrgTechPhone:  +1-805-788-2800 
             OrgTechEmail:  hostmaster@co.slo.ca.us
             OrgTechRef:    https://rdap.arin.net/registry/entity/ITDHO-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.
             #