Report for 40590

Name

AS40590 - CISCO SYSTEMS, INC., 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.

40590 AS40590 - CISCO SYSTEMS, INC., US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS6461          ZAYO-6461 - Zayo Bandwidth, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
62239 AS40590        ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  AS40590 - CISCO SYSTEMS, INC., 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       %
42531 AS40590       AS40590 - CISCO SYSTEMS, INC., US                  1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  128.177.8.0/24       4777 2497 6461 40590 40590   

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

AS40590   1 More Specifics   1 Total Advertisements   AS40590 - CISCO SYSTEMS, INC., US
    128.177.8.0/24                128.177.0.0/16

Whois Entry

whois: 402603

IANA has recorded AS40590 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS40590\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:       40590
             ASName:         AS40590
             ASHandle:       AS40590
             RegDate:        2008-02-07
             Updated:        2023-09-12
             Ref:            https://rdap.arin.net/registry/autnum/40590
             
             
             OrgName:        CISCO SYSTEMS, INC.
             OrgId:          CS-2831
             Address:        251 LITTLE FALLS DRIVE
             City:           WILMINGTON
             StateProv:      DE
             PostalCode:     19808
             Country:        US
             RegDate:        2023-06-07
             Updated:        2024-02-16
             Ref:            https://rdap.arin.net/registry/entity/CS-2831
             
             
             OrgNOCHandle: GATC-ARIN
             OrgNOCName:   GIS ARIN Technical Contact
             OrgNOCPhone:  +1-408-526-8888 
             OrgNOCEmail:  cidr-block-admins@cisco.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/GATC-ARIN
             
             OrgTechHandle: GATC-ARIN
             OrgTechName:   GIS ARIN Technical Contact
             OrgTechPhone:  +1-408-526-8888 
             OrgTechEmail:  cidr-block-admins@cisco.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/GATC-ARIN
             
             OrgAbuseHandle: CISCO6-ARIN
             OrgAbuseName:   Cisco CSIRT
             OrgAbusePhone:  +1-408-527-3227 
             OrgAbuseEmail:  csirt-notify@cisco.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/CISCO6-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.
             #