Report for 11144

Name

ADVENT-SOFTWARE - Advent Software, 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.

11144 ADVENT-SOFTWARE - Advent Software, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS13335         CLOUDFLARENET - Cloudflare, Inc., US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
34801 AS11144        ORIGIN  Originate:       1024 /22.00  Transit:          0 /0.00  ADVENT-SOFTWARE - Advent Software, 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       %
20842 AS11144       ADVENT-SOFTWARE - Advent Software, US              4      2      1      3      1  25.00%


  Prefix               AS Path                              Aggregation Suggestion
  170.40.225.0/24      4608 13335 11144       
  216.10.149.0/24      4608 13335 11144       
  216.10.150.0/23      4608 13335 11144     + Announce - aggregate of 216.10.150.0/24 (4608 13335 11144) and 216.10.151.0/24 (4608 13335 11144)
  216.10.150.0/24      4608 13335 11144     - Withdrawn - aggregated with 216.10.151.0/24 (4608 13335 11144)
  216.10.151.0/24      4608 13335 11144     - Withdrawn - aggregated with 216.10.150.0/24 (4608 13335 11144)

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

AS11144   4 More Specifics   4 Total Advertisements   ADVENT-SOFTWARE - Advent Software, US
    170.40.225.0/24               170.40.0.0/16
    216.10.149.0/24               216.10.144.0/20
    216.10.150.0/24               216.10.144.0/20
    216.10.151.0/24               216.10.144.0/20

Whois Entry

whois: 402603

IANA has recorded AS11144 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS11144\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:       11144
             ASName:         ADVENT-SOFTWARE
             ASHandle:       AS11144
             RegDate:        1998-04-24
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/11144
             
             
             OrgName:        Advent Software
             OrgId:          ADVENT-6
             Address:        301 Brannan Street
             City:           San Francisco
             StateProv:      CA
             PostalCode:     94107
             Country:        US
             RegDate:        1998-04-08
             Updated:        2011-09-24
             Ref:            https://rdap.arin.net/registry/entity/ADVENT-6
             
             
             OrgAbuseHandle: MC1816-ARIN
             OrgAbuseName:   Calabrese, Michael 
             OrgAbusePhone:  +1-314-789-6246 
             OrgAbuseEmail:  mcalabre@advent.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/MC1816-ARIN
             
             OrgTechHandle: MC1816-ARIN
             OrgTechName:   Calabrese, Michael 
             OrgTechPhone:  +1-314-789-6246 
             OrgTechEmail:  mcalabre@advent.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/MC1816-ARIN
             
             RTechHandle: NOA1-ARIN
             RTechName:   Network Operations Center Advent Software
             RTechPhone:  +1-415-645-1809 
             RTechEmail:  nocadmin@sscinc.com
             RTechRef:    https://rdap.arin.net/registry/entity/NOA1-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.
             #