Report for 4

Name

ISI-AS - University of Southern California, 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 AS4637) 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.

4 NIC México, S.C.

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS567     ASN-LNET-AS - Los Nettos
    AS226     LOS-NETTOS-AS - Los Nettos

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
2223  AS4      ORIGIN  Originate:      67072 /15.97  Transit:          0 /0.00  NIC México, S.C.

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       %
 6531 AS4     NIC México, S.C.                              7      0      0      7      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  128.9.0.0/16         4637 11164 2152 567 4   
  192.228.79.0/24      4637 11164 2152 567 4   
  198.32.16.0/24       4637 11164 2152 567 4   
  206.117.6.0/24       4637 3491 2914 226 4   
  206.117.27.0/24      4637 3491 2914 226 4   
  206.117.31.0/24      4637 11164 2152 567 4   
  206.117.37.0/24      4637 3491 2914 226 4   

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

AS4   5 More Specifics   7 Total Advertisements   NIC México, S.C.
    198.32.16.0/24                198.32.0.0/16
    206.117.6.0/24                206.117.0.0/16
    206.117.27.0/24               206.117.0.0/16
    206.117.31.0/24               206.117.0.0/16
    206.117.37.0/24               206.117.0.0/16

Whois Entry

whois: 402603

IANA has recorded AS4 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS4\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:       4
             ASName:         ISI-AS
             ASHandle:       AS4
             RegDate:        1984-02-22
             Updated:        2023-09-29
             Ref:            https://rdap.arin.net/registry/autnum/4
             
             
             OrgName:        University of Southern California
             OrgId:          USC-32-Z
             Address:        Information Sciences Institute
             Address:        4676 Admiralty Way, Suite 1001
             City:           Marina del Rey
             StateProv:      CA
             PostalCode:     90292
             Country:        US
             RegDate:        2023-09-08
             Updated:        2023-09-21
             Ref:            https://rdap.arin.net/registry/entity/USC-32-Z
             
             
             OrgAbuseHandle: ACT-ORG-ARIN
             OrgAbuseName:   IPC Computing Services
             OrgAbusePhone:  +1-310-448-8289 
             OrgAbuseEmail:  action@isi.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ACT-ORG-ARIN
             
             OrgTechHandle: ACT-ORG-ARIN
             OrgTechName:   IPC Computing Services
             OrgTechPhone:  +1-310-448-8289 
             OrgTechEmail:  action@isi.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/ACT-ORG-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.
             #