Report for 54407

Name

ARENT-FOX-LLP - ArentFox Schiff LLP, 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.

54407 ARENT-FOX-LLP, US

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS174           COGENT-174, US
    AS6461          ZAYO-6461, US
    AS701           UUNET, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
29576 AS54407        ORIGIN  Originate:       1792 /21.19  Transit:          0 /0.00  ARENT-FOX-LLP, 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       %
17165 AS54407       ARENT-FOX-LLP, US                                  7      4      2      5      2  28.57%


  Prefix               AS Path                              Aggregation Suggestion
  204.4.64.0/24        2497 6461 54407        
  204.4.66.0/23        3257 174 54407       + Announce - aggregate of 204.4.66.0/24 (3257 174 54407) and 204.4.67.0/24 (3257 174 54407)
  204.4.66.0/24        3257 174 54407       - Withdrawn - aggregated with 204.4.67.0/24 (3257 174 54407)
  204.4.67.0/24        3257 174 54407       - Withdrawn - aggregated with 204.4.66.0/24 (3257 174 54407)
  204.4.69.0/24        7018 701 54407         
  204.4.74.0/23        2497 6461 54407      + Announce - aggregate of 204.4.74.0/24 (2497 6461 54407) and 204.4.75.0/24 (2497 6461 54407)
  204.4.74.0/24        2497 6461 54407      - Withdrawn - aggregated with 204.4.75.0/24 (2497 6461 54407)
  204.4.75.0/24        2497 6461 54407      - Withdrawn - aggregated with 204.4.74.0/24 (2497 6461 54407)
  204.4.76.0/24        6939 6461 54407        

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

AS54407   7 More Specifics   7 Total Advertisements   ARENT-FOX-LLP, US
    204.4.64.0/24                 204.4.0.0/14
    204.4.69.0/24                 204.4.0.0/14
    204.4.70.0/24                 204.4.0.0/14
    204.4.74.0/24                 204.4.0.0/14
    204.4.75.0/24                 204.4.0.0/14
    204.4.76.0/24                 204.4.0.0/14
    204.4.77.0/24                 204.4.0.0/14

Whois Entry

whois: 402603

IANA has recorded AS54407 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS54407\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:       54407
             ASName:         ARENT-FOX-LLP
             ASHandle:       AS54407
             RegDate:        2012-02-10
             Updated:        2012-02-10
             Comment:        www.arentfox.com
             Comment:        Business Hours 8 AM to 6 PM EST
             Ref:            https://rdap.arin.net/registry/autnum/54407
             
             
             OrgName:        ArentFox Schiff LLP
             OrgId:          AFL-44
             Address:        1717 K Street NW
             City:           Washington
             StateProv:      DC
             PostalCode:     20006
             Country:        US
             RegDate:        2011-12-16
             Updated:        2026-01-08
             Ref:            https://rdap.arin.net/registry/entity/AFL-44
             
             
             OrgAbuseHandle: GRIFF46-ARIN
             OrgAbuseName:   Griffith, Miguel 
             OrgAbusePhone:  +1-202-857-8987 
             OrgAbuseEmail:  griffith.miguel@arentfox.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/GRIFF46-ARIN
             
             OrgTechHandle: TECHN2014-ARIN
             OrgTechName:   Technical Contact
             OrgTechPhone:  +1-312-258-4982 
             OrgTechEmail:  arin@afslaw.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/TECHN2014-ARIN
             
             OrgNOCHandle: GRIFF46-ARIN
             OrgNOCName:   Griffith, Miguel 
             OrgNOCPhone:  +1-202-857-8987 
             OrgNOCEmail:  griffith.miguel@arentfox.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/GRIFF46-ARIN
             
             OrgTechHandle: GRIFF46-ARIN
             OrgTechName:   Griffith, Miguel 
             OrgTechPhone:  +1-202-857-8987 
             OrgTechEmail:  griffith.miguel@arentfox.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/GRIFF46-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.
             #