Report for 2576

Name

DOT-AS - U. S. Department of Transportation, 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.

2576 DOT-AS - U. S. Department of Transportation, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS13979         ATT-IPFR - AT&T Enterprises, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
1019  AS2576         ORIGIN  Originate:     269312 /13.96  Transit:          0 /0.00  DOT-AS - U. S. Department of Transportation, 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       %
 8203 AS2576        DOT-AS - U. S. Department of Transportation,      20      6      1     15      5  25.00%


  Prefix               AS Path                              Aggregation Suggestion
  152.119.0.0/16       4777 2497 7018 4473 13979 2576   
  152.120.0.0/16       4777 2497 7018 4473 13979 2576   
  152.122.0.0/16       4777 2497 7018 4473 13979 2576   
  169.135.0.0/16       4777 2497 7018 4473 13979 2576   
  199.79.176.0/22      4777 2497 7018 4473 13979 2576 + Announce - aggregate of 199.79.176.0/23 (4777 2497 7018 4473 13979 2576) and 199.79.178.0/23 (4777 2497 7018 4473 13979 2576)
  199.79.176.0/24      4777 2497 7018 4473 13979 2576 - Withdrawn - aggregated with 199.79.177.0/24 (4777 2497 7018 4473 13979 2576)
  199.79.177.0/24      4777 2497 7018 4473 13979 2576 - Withdrawn - aggregated with 199.79.176.0/24 (4777 2497 7018 4473 13979 2576)
  199.79.178.0/24      4777 2497 7018 4473 13979 2576 - Withdrawn - aggregated with 199.79.179.0/24 (4777 2497 7018 4473 13979 2576)
  199.79.179.0/24      4777 2497 7018 4473 13979 2576 - Withdrawn - aggregated with 199.79.178.0/24 (4777 2497 7018 4473 13979 2576)
  199.79.180.0/24      4777 2497 7018 4473 13979 2576   
  204.68.194.0/23      4777 2497 7018 4473 13979 2576   
  204.68.194.0/24      4777 2497 7018 4473 13979 2576 - Withdrawn - matching aggregate 204.68.194.0/23 4777 2497 7018 4473 13979 2576
  204.68.195.0/24      4777 2497 7018 4473 13979 2576 - Withdrawn - matching aggregate 204.68.194.0/23 4777 2497 7018 4473 13979 2576
  204.68.196.0/23      4777 2497 7018 4473 13979 2576   
  204.68.202.0/24      4777 2497 7018 4473 13979 2576   
  204.69.250.0/23      4777 2497 7018 4473 13979 2576   
  204.69.252.0/24      4777 2497 7018 4473 13979 2576   
  204.86.184.0/21      4777 2497 7018 4473 13979 2576   
  204.86.192.0/23      4777 2497 7018 4473 13979 2576   
  204.152.44.0/23      4777 2497 7018 4473 13979 2576   
  204.238.19.0/24      4777 2497 7018 4473 13979 2576   

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

AS2576   5 More Specifics   20 Total Advertisements   DOT-AS - U. S. Department of Transportation, US
    152.122.0.0/16                152.122.0.0/15
    199.79.176.0/24               199.79.176.0/22
    199.79.177.0/24               199.79.176.0/22
    199.79.178.0/24               199.79.176.0/22
    199.79.179.0/24               199.79.176.0/22

Whois Entry

whois: 402591

IANA has recorded AS2576 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS2576\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:       2576
             ASName:         DOT-AS
             ASHandle:       AS2576
             RegDate:        1993-04-22
             Updated:        2005-03-02
             Ref:            https://rdap.arin.net/registry/autnum/2576
             
             
             OrgName:        U. S. Department of Transportation
             OrgId:          USDT-1
             Address:        1200 New Jersey Ave. S.E.
             Address:        E51-304
             City:           Washington
             StateProv:      DC
             PostalCode:     20590
             Country:        US
             RegDate:        1993-04-22
             Updated:        2025-10-31
             Ref:            https://rdap.arin.net/registry/entity/USDT-1
             
             
             OrgAbuseHandle: NETWO3558-ARIN
             OrgAbuseName:   Network Engineering
             OrgAbusePhone:  +1-202-366-6216 
             OrgAbuseEmail:  jeffrey.henderson1@dot.gov
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NETWO3558-ARIN
             
             OrgAbuseHandle: ZU10-ARIN
             OrgAbuseName:   US Department of Transportation
             OrgAbusePhone:  +1-202-366-5605 
             OrgAbuseEmail:  imc@dot.gov
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ZU10-ARIN
             
             OrgTechHandle: NEEDH77-ARIN
             OrgTechName:   Needham, Alim 
             OrgTechPhone:  +1-202-809-4778 
             OrgTechEmail:  alim.needham.ctr@dot.gov
             OrgTechRef:    https://rdap.arin.net/registry/entity/NEEDH77-ARIN
             
             OrgTechHandle: NETWO3558-ARIN
             OrgTechName:   Network Engineering
             OrgTechPhone:  +1-202-366-6216 
             OrgTechEmail:  jeffrey.henderson1@dot.gov
             OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO3558-ARIN
             
             OrgNOCHandle: ZU10-ARIN
             OrgNOCName:   US Department of Transportation
             OrgNOCPhone:  +1-202-366-5605 
             OrgNOCEmail:  imc@dot.gov
             OrgNOCRef:    https://rdap.arin.net/registry/entity/ZU10-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.
             #