Report for 19739

Name

COUNTY-SANBERNARDINO - County of San Bernardino, 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.

19739 COUNTY-SANBERNARDINO - County of San Bernardino, US

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS5650          FRONTIER-FRTR - Frontier Communications of America, Inc., US
    AS20001         TWC-20001-PACWEST - Charter Communications Inc, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
10490 AS19739        ORIGIN  Originate:       9472 /18.79  Transit:          0 /0.00  COUNTY-SANBERNARDINO - County of San Bernardino, 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       %
15956 AS19739       COUNTY-SANBERNARDINO - County of San Bernardi     23      4      2     21      2   8.70%


  Prefix               AS Path                              Aggregation Suggestion
  170.164.0.0/24       4777 2516 3356 19739   
  170.164.14.0/24      4777 2516 3356 19739   
  170.164.40.0/22      4777 2516 3356 19739 + Announce - aggregate of 170.164.40.0/23 (4777 2516 3356 19739) and 170.164.42.0/23 (4777 2516 3356 19739)
  170.164.40.0/23      4777 2516 3356 19739 - Withdrawn - aggregated with 170.164.42.0/23 (4777 2516 3356 19739)
  170.164.42.0/23      4777 2516 3356 19739 - Withdrawn - aggregated with 170.164.40.0/23 (4777 2516 3356 19739)
  170.164.44.0/23      4777 2516 3356 19739   
  170.164.50.0/24      4777 2516 3356 19739   
  170.164.60.0/24      4777 2516 3356 19739   
  170.164.70.0/24      4777 2516 3356 19739   
  170.164.71.0/24      4777 2516 7843 20001 19739   
  170.164.75.0/24      4777 2516 3356 19739   
  170.164.84.0/23      4777 2516 3356 19739   
  170.164.87.0/24      4777 2516 3356 19739   
  170.164.97.0/24      4777 2516 3356 19739   
  170.164.101.0/24     4777 2516 3356 19739   
  170.164.107.0/24     4777 2516 701 5650 19739   
  170.164.116.0/22     4777 2516 3356 19739   
  170.164.124.0/23     4777 2516 3356 19739 + Announce - aggregate of 170.164.124.0/24 (4777 2516 3356 19739) and 170.164.125.0/24 (4777 2516 3356 19739)
  170.164.124.0/24     4777 2516 3356 19739 - Withdrawn - aggregated with 170.164.125.0/24 (4777 2516 3356 19739)
  170.164.125.0/24     4777 2516 3356 19739 - Withdrawn - aggregated with 170.164.124.0/24 (4777 2516 3356 19739)
  170.164.165.0/24     4777 2516 3356 19739   
  170.164.239.0/24     4777 2516 3356 19739   
  170.164.240.0/21     4777 2516 3356 19739   
  170.164.248.0/24     4777 2497 3356 19739   
  170.164.249.0/24     4777 2516 3356 19739   

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

AS19739   23 More Specifics   23 Total Advertisements   COUNTY-SANBERNARDINO - County of San Bernardino, US
    170.164.0.0/24                170.164.0.0/16
    170.164.14.0/24               170.164.0.0/16
    170.164.40.0/23               170.164.0.0/16
    170.164.42.0/23               170.164.0.0/16
    170.164.44.0/23               170.164.0.0/16
    170.164.50.0/24               170.164.0.0/16
    170.164.60.0/24               170.164.0.0/16
    170.164.70.0/24               170.164.0.0/16
    170.164.71.0/24               170.164.0.0/16
    170.164.75.0/24               170.164.0.0/16
    170.164.84.0/23               170.164.0.0/16
    170.164.87.0/24               170.164.0.0/16
    170.164.97.0/24               170.164.0.0/16
    170.164.101.0/24              170.164.0.0/16
    170.164.107.0/24              170.164.0.0/16
    170.164.116.0/22              170.164.0.0/16
    170.164.124.0/24              170.164.0.0/16
    170.164.125.0/24              170.164.0.0/16
    170.164.165.0/24              170.164.0.0/16
    170.164.239.0/24              170.164.0.0/16
    170.164.240.0/21              170.164.0.0/16
    170.164.248.0/24              170.164.0.0/16
    170.164.249.0/24              170.164.0.0/16
    170.164.10.0/24               170.164.0.0/16
    170.164.11.0/24               170.164.0.0/16

Prefixes added and withdrawn by this origin AS in the past 7 days.

    - 170.164.10.0/24             Withdrawn
    - 170.164.11.0/24             Withdrawn

Whois Entry

whois: 402628

IANA has recorded AS19739 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS19739\n