Report for 26733

Name

AISN - AMERICAN INTERNET SERVICES NETWORK, 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.

26733 AISN - AMERICAN INTERNET SERVICES NETWORK

  Adjacency:     2  Upstream:     1  Downstream:     1
  Upstream Adjacent AS list
    AS19024   INTERNAP-BLK5 - Internap Network Services
  Downstream Adjacent AS list
    AS26866   TRUSERV - TruServ Corporation

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
14149 AS26733  ORG+TRN Originate:       1280 /21.68  Transit:        512 /23.00 AISN - AMERICAN INTERNET SERVICES NETWORK

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       %
 5785 AS26733 AISN - AMERICAN INTERNET SERVICES NETWOR      5      2      1      4      1  20.00%


  Prefix               AS Path                              Aggregation Suggestion
  64.74.99.0/24        4637 3549 19024 19024 26733   
  64.94.38.0/23        4637 3549 19024 19024 26733 + Announce - aggregate of 64.94.38.0/24 (4637 3549 19024 19024 26733) and 64.94.39.0/24 (4637 3549 19024 19024 26733)
  64.94.38.0/24        4637 3549 19024 19024 26733 - Withdrawn - aggregated with 64.94.39.0/24 (4637 3549 19024 19024 26733)
  64.94.39.0/24        4637 3549 19024 19024 26733 - Withdrawn - aggregated with 64.94.38.0/24 (4637 3549 19024 19024 26733)
  64.94.40.0/24        4637 3549 19024 19024 26733   
  66.150.111.0/24      4637 3549 19024 19024 26733   

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

AS26733   6 More Specifics   6 Total Advertisements   AISN - AMERICAN INTERNET SERVICES NETWORK
    64.74.99.0/24                 64.74.0.0/16
    64.94.38.0/24                 64.94.0.0/15
    64.94.39.0/24                 64.94.0.0/15
    64.94.40.0/24                 64.94.0.0/15
    66.150.111.0/24               66.150.0.0/15
    74.201.5.0/24                 74.201.0.0/18

Whois Entry

whois: 402332

IANA has recorded AS26733 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS26733\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:       26733
             ASName:         AISN
             ASHandle:       AS26733
             RegDate:        2002-11-13
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/26733
             
             
             OrgName:        AMERICAN INTERNET SERVICES NETWORK
             OrgId:          AISN-1
             Address:        1611 COLONIAL PARKWAY
             City:           INVERNESS
             StateProv:      IL
             PostalCode:     60067
             Country:        US
             RegDate:        2002-10-28
             Updated:        2011-09-24
             Ref:            https://rdap.arin.net/registry/entity/AISN-1
             
             
             OrgTechHandle: TECHN16-ARIN
             OrgTechName:   TECHNICAL CONTACT
             OrgTechPhone:  +1-847-202-1400 
             OrgTechEmail:  noc@aisn.net
             OrgTechRef:    https://rdap.arin.net/registry/entity/TECHN16-ARIN
             
             OrgAbuseHandle: TECHN16-ARIN
             OrgAbuseName:   TECHNICAL CONTACT
             OrgAbusePhone:  +1-847-202-1400 
             OrgAbuseEmail:  noc@aisn.net
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/TECHN16-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.
             #