Report for 26271

Name

CMSINTERNET - CMSInter.net LLC, 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.

26271 CMSINTERNET - CMSInter.net LLC, US

  Adjacency:     4  Upstream:     1  Downstream:     3
  Upstream Adjacent AS list
    AS6939          HURRICANE - Hurricane Electric LLC, US
  Downstream Adjacent AS list
    AS33583         IBC-FGIS - Isabella Bank Corporation, US
    AS62968         AS-CMC - Central Michigan Communication, Co., US
    AS14691         GLAA - Great Lakes Adventist Academy, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
5428  AS26271        ORG+TRN Originate:      31744 /17.05  Transit:       1280 /21.68 CMSINTERNET - CMSInter.net LLC, 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       %
 7281 AS26271       CMSINTERNET - CMSInter.net LLC, US                13      7      1      7      6  46.15%


  Prefix               AS Path                              Aggregation Suggestion
  64.25.192.0/20       4777 6939 26271        
  107.161.128.0/20     4777 6939 26271        
  107.181.192.0/19     4777 6939 26271        
  138.229.32.0/19      4777 6939 26271        
  162.249.112.0/22     4777 6939 26271        
  162.250.24.0/21      4777 6939 26271        
  207.241.128.0/20     4777 6939 26271      + Announce - aggregate of 207.241.128.0/21 (4777 6939 26271) and 207.241.136.0/21 (4777 6939 26271)
  207.241.128.0/22     4777 6939 26271      - Withdrawn - aggregated with 207.241.132.0/22 (4777 6939 26271)
  207.241.132.0/23     4777 6939 26271      - Withdrawn - aggregated with 207.241.134.0/23 (4777 6939 26271)
  207.241.134.0/23     4777 6939 26271      - Withdrawn - aggregated with 207.241.132.0/23 (4777 6939 26271)
  207.241.136.0/22     4777 6939 26271      - Withdrawn - aggregated with 207.241.140.0/22 (4777 6939 26271)
  207.241.140.0/24     4777 6939 26271      - Withdrawn - aggregated with 207.241.141.0/24 (4777 6939 26271)
  207.241.141.0/24     4777 6939 26271      - Withdrawn - aggregated with 207.241.140.0/24 (4777 6939 26271)
  207.241.142.0/23     4777 6939 26271      - Withdrawn - aggregated with 207.241.140.0/23 (4777 6939 26271)

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

AS26271   7 More Specifics   13 Total Advertisements   CMSINTERNET - CMSInter.net LLC, US
    207.241.128.0/22              207.241.128.0/20
    207.241.132.0/23              207.241.128.0/20
    207.241.134.0/23              207.241.128.0/20
    207.241.136.0/22              207.241.128.0/20
    207.241.140.0/24              207.241.128.0/20
    207.241.141.0/24              207.241.128.0/20
    207.241.142.0/23              207.241.128.0/20

Whois Entry

whois: 402332

IANA has recorded AS26271 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS26271\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:       26271
             ASName:         CMSINTERNET
             ASHandle:       AS26271
             RegDate:        2002-08-09
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/26271
             
             
             OrgName:        CMSInter.net LLC
             OrgId:          CMSI
             Address:        131 S. Main St.
             City:           Mount Pleasant
             StateProv:      MI
             PostalCode:     48858
             Country:        US
             RegDate:        1999-04-09
             Updated:        2024-11-25
             Comment:        http://geofeed.cmsinter.net/geofeed.csv
             Ref:            https://rdap.arin.net/registry/entity/CMSI
             
             
             OrgTechHandle: NOC33459-ARIN
             OrgTechName:   NOC
             OrgTechPhone:  +1-989-400-4888 
             OrgTechEmail:  noc@cmsinter.net
             OrgTechRef:    https://rdap.arin.net/registry/entity/NOC33459-ARIN
             
             OrgNOCHandle: NOC33459-ARIN
             OrgNOCName:   NOC
             OrgNOCPhone:  +1-989-400-4888 
             OrgNOCEmail:  noc@cmsinter.net
             OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC33459-ARIN
             
             OrgTechHandle: GRAHA9-ARIN
             OrgTechName:   Graham, Daniel 
             OrgTechPhone:  +1-989-400-4230 
             OrgTechEmail:  dan@cmsinter.net
             OrgTechRef:    https://rdap.arin.net/registry/entity/GRAHA9-ARIN
             
             OrgAbuseHandle: ABUSE2784-ARIN
             OrgAbuseName:   Abuse
             OrgAbusePhone:  +1-800-962-7022 
             OrgAbuseEmail:  abuse@cmsinter.net
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE2784-ARIN
             
             OrgNOCHandle: GRAHA9-ARIN
             OrgNOCName:   Graham, Daniel 
             OrgNOCPhone:  +1-989-400-4230 
             OrgNOCEmail:  dan@cmsinter.net
             OrgNOCRef:    https://rdap.arin.net/registry/entity/GRAHA9-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.
             #