Report for 4155

Name

USDA-1 - USDA, 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.

4155 USDA-1 - USDA, US

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS4297          CENTURYLINK-MTIPS4-HLR - CenturyLink Communications, LLC, US
    AS6224          CENTURYLINK-MTIPS2-CHI - CenturyLink Communications, LLC, US
    AS4296          CENTURYLINK-MTIPS3-BUR - CenturyLink Communications, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
185   AS4155         ORIGIN  Originate:    3213568 /10.38  Transit:          0 /0.00  USDA-1 - USDA, 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       %
15340 AS4155        USDA-1 - USDA, US                                 23      3      1     21      2   8.70%


  Prefix               AS Path                              Aggregation Suggestion
  147.49.0.0/16        4777 2516 3356 209 4296 4155   
  150.118.0.0/15       4777 2516 3356 209 4296 4155   
  150.119.0.0/16       4777 2516 3356 209 4296 4155 - Withdrawn - matching aggregate 150.118.0.0/15 4777 2516 3356 209 4296 4155
  150.120.0.0/16       4777 2516 3356 209 4296 4155   
  151.121.0.0/16       4777 2516 3356 209 4296 4155   
  160.232.0.0/16       4777 2516 3356 209 4296 4155   
  162.79.0.0/16        4777 2516 3356 209 4296 4155   
  165.221.0.0/16       4777 2516 3356 209 4296 4155   
  166.2.0.0/15         4777 2516 3356 209 4296 4155   
  166.4.0.0/14         4777 2516 3356 209 4296 4155 + Announce - aggregate of 166.4.0.0/15 (4777 2516 3356 209 4296 4155) and 166.6.0.0/15 (4777 2516 3356 209 4296 4155)
  166.4.0.0/15         4777 2516 3356 209 4296 4155 - Withdrawn - aggregated with 166.6.0.0/15 (4777 2516 3356 209 4296 4155)
  166.6.0.0/15         4777 2516 3356 209 4296 4155 - Withdrawn - aggregated with 166.4.0.0/15 (4777 2516 3356 209 4296 4155)
  168.68.0.0/16        4777 2516 3356 209 4296 4155   
  170.144.0.0/16       4777 2516 3356 209 4296 4155   
  192.12.9.0/24        4777 2516 3356 209 4296 4155   
  192.73.224.0/24      4777 2516 3356 209 4296 4155   
  192.84.74.0/24       4777 2497 3356 209 6224 4155   
  192.86.24.0/24       4777 2497 3356 209 4297 4155   
  192.131.1.0/24       4777 2516 3356 209 4296 4155   
  192.195.241.0/24     4777 2516 3356 209 4296 4155   
  192.231.33.0/24      4777 2516 3356 209 4296 4155   
  198.22.127.0/24      4777 2497 3356 209 4296 4155   
  199.128.0.0/11       4777 2516 3356 209 4296 4155   
  199.141.126.0/24     4777 2497 3356 209 4297 4155   

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

AS4155   3 More Specifics   23 Total Advertisements   USDA-1 - USDA, US
    166.4.0.0/15                  166.4.0.0/14
    166.6.0.0/15                  166.4.0.0/14
    199.141.126.0/24              199.128.0.0/11

Whois Entry

whois: 402591

IANA has recorded AS4155 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS4155\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:       4151 - 4157
             ASName:         USDA-1
             ASHandle:       AS4151
             RegDate:        1994-12-15
             Updated:        2001-01-03
             Ref:            https://rdap.arin.net/registry/autnum/4151
             
             
             OrgName:        USDA
             OrgId:          USDA-3
             Address:        Suite 133, Building A
             Address:        2150 Centre Ave
             City:           Fort Collins
             StateProv:      CO
             PostalCode:     80526
             Country:        US
             RegDate:        1993-09-08
             Updated:        2024-11-25
             Ref:            https://rdap.arin.net/registry/entity/USDA-3
             
             
             OrgTechHandle: ZU20-ARIN
             OrgTechName:   USDA - Office of the ChiefInformation Officer
             OrgTechPhone:  +1-866-873-2926 
             OrgTechEmail:  duty.officer@usda.gov
             OrgTechRef:    https://rdap.arin.net/registry/entity/ZU20-ARIN
             
             OrgAbuseHandle: SECUR27-ARIN
             OrgAbuseName:   Security Abuse
             OrgAbusePhone:  +1-866-873-2926 
             OrgAbuseEmail:  abuse@usda.gov
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/SECUR27-ARIN
             
             OrgAbuseHandle: ZU20-ARIN
             OrgAbuseName:   USDA - Office of the ChiefInformation Officer
             OrgAbusePhone:  +1-866-873-2926 
             OrgAbuseEmail:  duty.officer@usda.gov
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ZU20-ARIN
             
             RTechHandle: ZU20-ARIN
             RTechName:   USDA - Office of the ChiefInformation Officer
             RTechPhone:  +1-866-873-2926 
             RTechEmail:  duty.officer@usda.gov
             RTechRef:    https://rdap.arin.net/registry/entity/ZU20-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.
             #