Report for 40427

Name

IRONPORT-SYSTEMS-CI365 - Cisco Systems Ironport Division, 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 AS6447) 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.

40427 IRONPORT-SYSTEMS-CI365, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS16417         IRONPORT-SYSTEMS-INC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
49960 AS40427        ORIGIN  Originate:        512 /23.00  Transit:          0 /0.00  IRONPORT-SYSTEMS-CI365, 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       %
42671 AS40427       IRONPORT-SYSTEMS-CI365, US                         2      0      0      2      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  194.165.198.0/24     49788 174 16417 40427   
  194.165.199.0/24     3257 22911 16417 40427   

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

AS40427   2 More Specifics   2 Total Advertisements   IRONPORT-SYSTEMS-CI365, US
    194.165.198.0/24              194.165.192.0/19
    194.165.199.0/24              194.165.192.0/19

Whois Entry

whois: 402551

IANA has recorded AS40427 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS40427\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:       40427
             ASName:         IRONPORT-SYSTEMS-CI365
             ASHandle:       AS40427
             RegDate:        2007-02-16
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/40427
             
             
             OrgName:        Cisco Systems Ironport Division
             OrgId:          CISL-7
             Address:        170 West Tasman Drive
             City:           San Jose
             StateProv:      CA
             PostalCode:     95134
             Country:        US
             RegDate:        2010-11-09
             Updated:        2023-02-03
             Ref:            https://rdap.arin.net/registry/entity/CISL-7
             
             
             OrgAbuseHandle: INA15-ARIN
             OrgAbuseName:   Ironport Network Abuse
             OrgAbusePhone:  +1-408-424-1164 
             OrgAbuseEmail:  network-abuse@ironport.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/INA15-ARIN
             
             OrgTechHandle: BOUDJ-ARIN
             OrgTechName:   BOUDJEDAIMI, SOFIANE 
             OrgTechPhone:  +1-408-527-7461 
             OrgTechEmail:  sboudjed@cisco.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/BOUDJ-ARIN
             
             OrgNOCHandle: ISO3-ARIN
             OrgNOCName:   Ironport Network Operations
             OrgNOCPhone:  +1-650-898-1526 
             OrgNOCEmail:  netops@ironport.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/ISO3-ARIN
             
             OrgTechHandle: ISO3-ARIN
             OrgTechName:   Ironport Network Operations
             OrgTechPhone:  +1-650-898-1526 
             OrgTechEmail:  netops@ironport.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/ISO3-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.
             #