Report for 25753

Name

CALPERS - California Public Employees' Retirement System, 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.

25753 CALPERS - California Public Employees' Retirement System, US

  Adjacency:     4  Upstream:     4  Downstream:     0
  Upstream Adjacent AS list
    AS7018          ATT-INTERNET4 - AT&T Enterprises, LLC, US
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS701           UUNET - Verizon Business, US
    AS33667         CMCS - Comcast Cable Communications, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
10210 AS25753        ORIGIN  Originate:       9984 /18.71  Transit:          0 /0.00  CALPERS - California Public Employees' Retirement System, 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       %
 8445 AS25753       CALPERS - California Public Employees' Retire     20     10      5     15      5  25.00%


  Prefix               AS Path                              Aggregation Suggestion
  199.164.36.0/22      4777 2497 701 25753    
  199.164.36.0/23      4777 2497 7018 25753   
  199.164.36.0/23      4777 2516 701 25753  + Announce - aggregate of 199.164.36.0/24 (4777 2516 701 25753) and 199.164.37.0/24 (4777 2516 701 25753)
  199.164.36.0/24      4777 2516 701 25753  - Withdrawn - aggregated with 199.164.37.0/24 (4777 2516 701 25753)
  199.164.37.0/24      4777 2516 701 25753  - Withdrawn - aggregated with 199.164.36.0/24 (4777 2516 701 25753)
  199.164.38.0/23      4777 2497 7018 25753   
  199.164.38.0/23      4777 2516 701 25753  + Announce - aggregate of 199.164.38.0/24 (4777 2516 701 25753) and 199.164.39.0/24 (4777 2516 701 25753)
  199.164.38.0/24      4777 2516 701 25753  - Withdrawn - aggregated with 199.164.39.0/24 (4777 2516 701 25753)
  199.164.39.0/24      4777 2516 701 25753  - Withdrawn - aggregated with 199.164.38.0/24 (4777 2516 701 25753)
  199.164.44.0/24      4777 2516 7922 33667 25753   
  199.164.56.0/21      4777 2516 3356 25753   
  199.164.56.0/22      4777 2497 701 25753    
  199.164.56.0/23      4777 2516 701 25753    
  199.164.56.0/23      4777 2497 7018 25753 + Announce - aggregate of 199.164.56.0/24 (4777 2497 7018 25753) and 199.164.57.0/24 (4777 2497 7018 25753)
  199.164.56.0/24      4777 2497 7018 25753 - Withdrawn - aggregated with 199.164.57.0/24 (4777 2497 7018 25753)
  199.164.57.0/24      4777 2497 7018 25753 - Withdrawn - aggregated with 199.164.56.0/24 (4777 2497 7018 25753)
  199.164.58.0/23      4777 2516 701 25753    
  199.164.58.0/23      4777 2497 7018 25753 + Announce - aggregate of 199.164.58.0/24 (4777 2497 7018 25753) and 199.164.59.0/24 (4777 2497 7018 25753)
  199.164.58.0/24      4777 2497 7018 25753 - Withdrawn - aggregated with 199.164.59.0/24 (4777 2497 7018 25753)
  199.164.59.0/24      4777 2497 7018 25753 - Withdrawn - aggregated with 199.164.58.0/24 (4777 2497 7018 25753)
  199.164.60.0/22      4777 2497 7018 25753 + Announce - aggregate of 199.164.60.0/23 (4777 2497 7018 25753) and 199.164.62.0/23 (4777 2497 7018 25753)
  199.164.60.0/23      4777 2497 7018 25753 - Withdrawn - aggregated with 199.164.62.0/23 (4777 2497 7018 25753)
  199.164.60.0/24      4777 2497 701 25753    
  199.164.61.0/24      4777 2516 3356 25753   
  199.164.62.0/23      4777 2497 7018 25753 - Withdrawn - aggregated with 199.164.60.0/23 (4777 2497 7018 25753)

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

AS25753   20 More Specifics   20 Total Advertisements   CALPERS - California Public Employees' Retirement System, US
    199.164.36.0/22               199.164.32.0/19
    199.164.36.0/23               199.164.32.0/19
    199.164.36.0/24               199.164.32.0/19
    199.164.37.0/24               199.164.32.0/19
    199.164.38.0/23               199.164.32.0/19
    199.164.38.0/24               199.164.32.0/19
    199.164.39.0/24               199.164.32.0/19
    199.164.44.0/24               199.164.32.0/19
    199.164.56.0/21               199.164.32.0/19
    199.164.56.0/22               199.164.32.0/19
    199.164.56.0/23               199.164.32.0/19
    199.164.56.0/24               199.164.32.0/19
    199.164.57.0/24               199.164.32.0/19
    199.164.58.0/23               199.164.32.0/19
    199.164.58.0/24               199.164.32.0/19
    199.164.59.0/24               199.164.32.0/19
    199.164.60.0/23               199.164.32.0/19
    199.164.60.0/24               199.164.32.0/19
    199.164.61.0/24               199.164.32.0/19
    199.164.62.0/23               199.164.32.0/19

Whois Entry

whois: 402591

IANA has recorded AS25753 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS25753\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:       25753
             ASName:         CALPERS
             ASHandle:       AS25753
             RegDate:        2002-05-02
             Updated:        2022-05-03
             Ref:            https://rdap.arin.net/registry/autnum/25753
             
             
             OrgName:        California Public Employees' Retirement System
             OrgId:          CALPER
             Address:        400 Q Street
             City:           Sacramento
             StateProv:      CA
             PostalCode:     95811
             Country:        US
             RegDate:        2001-10-17
             Updated:        2019-05-17
             Ref:            https://rdap.arin.net/registry/entity/CALPER
             
             
             OrgAbuseHandle: BADGE-ARIN
             OrgAbuseName:   Badger, John 
             OrgAbusePhone:  +1-916-709-2636 
             OrgAbuseEmail:  john_badger@calpers.ca.gov
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/BADGE-ARIN
             
             OrgTechHandle: NMS9-ARIN
             OrgTechName:   NMS
             OrgTechPhone:  +1-916-795-3785 
             OrgTechEmail:  nms@calpers.ca.gov
             OrgTechRef:    https://rdap.arin.net/registry/entity/NMS9-ARIN
             
             RTechHandle: NMS9-ARIN
             RTechName:   NMS
             RTechPhone:  +1-916-795-3785 
             RTechEmail:  nms@calpers.ca.gov
             RTechRef:    https://rdap.arin.net/registry/entity/NMS9-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.
             #