Report for 53871

Name

DELTEK-NET - Deltek, 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.

53871 DELTEK-NET - Deltek, Inc., 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
33393 AS53871        ORIGIN  Originate:       1280 /21.68  Transit:          0 /0.00  DELTEK-NET - Deltek, 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       %
13347 AS53871       DELTEK-NET - Deltek, Inc., US                      5      4      1      2      3  60.00%


  Prefix               AS Path                              Aggregation Suggestion
  199.188.132.0/22     4777 13335 53871     + Announce - aggregate of 199.188.132.0/23 (4777 13335 53871) and 199.188.134.0/23 (4777 13335 53871)
  199.188.132.0/24     4777 13335 53871     - Withdrawn - aggregated with 199.188.133.0/24 (4777 13335 53871)
  199.188.133.0/24     4777 13335 53871     - Withdrawn - aggregated with 199.188.132.0/24 (4777 13335 53871)
  199.188.134.0/24     4777 13335 53871     - Withdrawn - aggregated with 199.188.135.0/24 (4777 13335 53871)
  199.188.135.0/24     4777 13335 53871     - Withdrawn - aggregated with 199.188.134.0/24 (4777 13335 53871)
  203.28.155.0/24      4777 13335 53871       

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

AS53871   4 More Specifics   5 Total Advertisements   DELTEK-NET - Deltek, Inc., US
    199.188.132.0/24              199.188.132.0/22
    199.188.133.0/24              199.188.132.0/22
    199.188.134.0/24              199.188.132.0/22
    199.188.135.0/24              199.188.132.0/22

Whois Entry

whois: 402332

IANA has recorded AS53871 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS53871\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:       53871
             ASName:         DELTEK-NET
             ASHandle:       AS53871
             RegDate:        2011-07-21
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/53871
             
             
             OrgName:        Deltek, Inc.
             OrgId:          DELTE-6
             Address:        2291 Wood Oak Drive
             City:           Herndon
             StateProv:      VA
             PostalCode:     20171
             Country:        US
             RegDate:        2010-01-11
             Updated:        2024-08-26
             Ref:            https://rdap.arin.net/registry/entity/DELTE-6
             
             
             OrgAbuseHandle: CORVI5-ARIN
             OrgAbuseName:   Corvi, Robert 
             OrgAbusePhone:  +1-617-528-2468 
             OrgAbuseEmail:  robcorvi@deltek.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/CORVI5-ARIN
             
             OrgTechHandle: CORVI5-ARIN
             OrgTechName:   Corvi, Robert 
             OrgTechPhone:  +1-617-528-2468 
             OrgTechEmail:  robcorvi@deltek.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/CORVI5-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.
             #