Report for 54638

Name

NSO - NETSOURCE ONE, INC, 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.

54638 NSO - NETSOURCE ONE, INC, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS22974         CHARTER-22974-MICHIGAN-DETROIT-C3 - Charter Communications LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
19242 AS54638        ORIGIN  Originate:       3328 /20.30  Transit:          0 /0.00  NSO - NETSOURCE ONE, INC, 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       %
 7414 AS54638       NSO - NETSOURCE ONE, INC, US                       9      6      0      3      6  66.67%


  Prefix               AS Path                              Aggregation Suggestion
  12.221.136.0/22      4777 2516 20115 22974 54638   
  12.221.136.0/24      4777 2516 20115 22974 54638 - Withdrawn - matching aggregate 12.221.136.0/22 4777 2516 20115 22974 54638
  12.221.137.0/24      4777 2516 20115 22974 54638 - Withdrawn - matching aggregate 12.221.136.0/22 4777 2516 20115 22974 54638
  12.221.138.0/24      4777 2516 20115 22974 54638 - Withdrawn - matching aggregate 12.221.136.0/22 4777 2516 20115 22974 54638
  12.221.139.0/24      4777 2516 20115 22974 54638 - Withdrawn - matching aggregate 12.221.136.0/22 4777 2516 20115 22974 54638
  12.231.166.0/23      4777 2516 20115 22974 54638   
  12.231.166.0/24      4777 2516 20115 22974 54638 - Withdrawn - matching aggregate 12.231.166.0/23 4777 2516 20115 22974 54638
  12.231.167.0/24      4777 2516 20115 22974 54638 - Withdrawn - matching aggregate 12.231.166.0/23 4777 2516 20115 22974 54638
  23.136.88.0/24       4777 2497 3257 20115 22974 54638   

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

AS54638   8 More Specifics   9 Total Advertisements   NSO - NETSOURCE ONE, INC, US
    12.221.136.0/22               12.0.0.0/8
    12.221.136.0/24               12.0.0.0/8
    12.221.137.0/24               12.0.0.0/8
    12.221.138.0/24               12.0.0.0/8
    12.221.139.0/24               12.0.0.0/8
    12.231.166.0/23               12.0.0.0/8
    12.231.166.0/24               12.0.0.0/8
    12.231.167.0/24               12.0.0.0/8

Whois Entry

whois: 402591

IANA has recorded AS54638 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS54638\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:       54638
             ASName:         NSO
             ASHandle:       AS54638
             RegDate:        2012-04-16
             Updated:        2012-04-16
             Comment:        http://www.nsoit.com
             Ref:            https://rdap.arin.net/registry/autnum/54638
             
             
             OrgName:        NETSOURCE ONE, INC
             OrgId:          NETSO-5
             Address:        5454 HAMPTON PL
             City:           SAGINAW
             StateProv:      MI
             PostalCode:     48604
             Country:        US
             RegDate:        2009-04-30
             Updated:        2025-04-05
             Ref:            https://rdap.arin.net/registry/entity/NETSO-5
             
             
             OrgRoutingHandle: ECF-ARIN
             OrgRoutingName:   French, Edward C
             OrgRoutingPhone:  +1-989-498-4554 
             OrgRoutingEmail:  ed.french@nsoit.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/ECF-ARIN
             
             OrgDNSHandle: ECF-ARIN
             OrgDNSName:   French, Edward C
             OrgDNSPhone:  +1-989-498-4554 
             OrgDNSEmail:  ed.french@nsoit.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/ECF-ARIN
             
             OrgAbuseHandle: SKRZY1-ARIN
             OrgAbuseName:   Skrzypczak, Andy 
             OrgAbusePhone:  +1-989-797-1085 
             OrgAbuseEmail:  andy.skrzypczak@nsoit.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/SKRZY1-ARIN
             
             OrgAbuseHandle: ECF-ARIN
             OrgAbuseName:   French, Edward C
             OrgAbusePhone:  +1-989-498-4554 
             OrgAbuseEmail:  ed.french@nsoit.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ECF-ARIN
             
             OrgNOCHandle: ECF-ARIN
             OrgNOCName:   French, Edward C
             OrgNOCPhone:  +1-989-498-4554 
             OrgNOCEmail:  ed.french@nsoit.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/ECF-ARIN
             
             OrgTechHandle: SKRZY1-ARIN
             OrgTechName:   Skrzypczak, Andy 
             OrgTechPhone:  +1-989-797-1085 
             OrgTechEmail:  andy.skrzypczak@nsoit.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/SKRZY1-ARIN
             
             OrgNOCHandle: SKRZY1-ARIN
             OrgNOCName:   Skrzypczak, Andy 
             OrgNOCPhone:  +1-989-797-1085 
             OrgNOCEmail:  andy.skrzypczak@nsoit.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/SKRZY1-ARIN
             
             OrgTechHandle: ECF-ARIN
             OrgTechName:   French, Edward C
             OrgTechPhone:  +1-989-498-4554 
             OrgTechEmail:  ed.french@nsoit.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/ECF-ARIN
             
             OrgTechHandle: TLG8-ARIN
             OrgTechName:   Terry L Girard
             OrgTechPhone:  +1-989-498-4534 
             OrgTechEmail:  terry.girard@nsoit.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/TLG8-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.
             #