Report for 22974

Name

CHARTER-22974-MICHIGAN-DETROIT-C3 - Charter Communications 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.

22974 CHARTER-22974-MICHIGAN-DETROIT-C3 - Charter Communications LLC, US

  Adjacency:    30  Upstream:     2  Downstream:    28
  Upstream Adjacent AS list
    AS20115         CHARTER-20115 - Charter Communications LLC, US
    AS33363         BHN-33363 - Charter Communications, Inc, US
  Downstream Adjacent AS list
    AS395175        HEIDENTECH - Heiden Technology Solutions, US
    AS46252         HIA-TRCY - Hagerty Insurance Agency LLC, US
    AS14893         CHS-MI - Covenant Medical Center, Inc., US
    AS393983        WWWROCKFORD - Wolverine Worldwide, US
    AS36443         AUNALYTICS-INC - Aunalytics, Inc, US
    AS396027        PORTAGEPUBLICSCHOOLS - Portage Public Schools, US
    AS15111         HERMANMILLER - MillerKnoll, Inc., US
    AS393782        EJ - EJ Group Incorporated, US
    AS26174         SVSU - Saginaw Valley State University, US
    AS394537        DOW-CREDIT-UNION-01 - Dow Credit Union, US
    AS394908        LAZBOYASN - La-Z-Boy Incorporated, US
    AS40200         ASN-MUNSON-CHARTER-ATT - Munson Healthcare, US
    AS46119         MIDMICHIGANHEALTH-AS-1 - MidMichigan  Health, US
    AS395638        OTTAWACO-ASN1 - County of Ottawa, US
    AS54638         NSO - NETSOURCE ONE, INC, US
    AS395393        MORLEY - Morley Companies Incorporated, US
    AS26532         MACLEAN-FOGG - Mac Lean-Fogg Company, US
    AS21974         FMIC - Frankenmuth Mutual Insurance Company, US
    AS393483        YEO-YEO - Yeo & Yeo CPAs & Business Consultants, US
    AS19967         JSJ-CORP - JSJ Corporation, US
    AS16767         SPI-TC-AZO - Summit Polymers, Inc., US
    AS30243         SPSD - The School District of the City of Saginaw, US
    AS398261        MCCC-MONROE-MI - Monroe County Community College, US
    AS63108         MMRSAG-10 - Mobile Medical Response Inc, US
    AS398483        SRS-PHARMACY - SRS Pharmacy Systems, Inc., US
    AS30242         SAMSA - SAMSA, US
    AS63451         STONE-113 - Stoneridge, Inc., US
    AS18675         VS-BYNCTR - Virtual Systems, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
18551 AS22974        ORG+TRN Originate:       3584 /20.19  Transit:      39680 /16.72 CHARTER-22974-MICHIGAN-DETROIT-C3 - Charter Communications 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       %
36146 AS22974       CHARTER-22974-MICHIGAN-DETROIT-C3 - Charter C      6      0      0      6      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  47.45.54.0/24        4777 2516 20115 22974   
  68.233.54.0/24       4777 2516 20115 22974   
  75.141.90.0/24       4777 2516 20115 22974   
  76.58.6.0/23         4777 6939 7843 33363 22974   
  192.62.248.0/21      4777 6939 20115 22974   
  209.172.3.0/24       4777 2516 20115 22974   

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

AS22974   5 More Specifics   6 Total Advertisements   CHARTER-22974-MICHIGAN-DETROIT-C3 - Charter Communications LLC, US
    47.45.54.0/24                 47.32.0.0/12
    68.233.54.0/24                68.233.48.0/20
    75.141.90.0/24                75.128.0.0/12
    76.58.6.0/23                  76.32.0.0/11
    192.62.248.0/21               192.60.0.0/14

Whois Entry

whois: 402591

IANA has recorded AS22974 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS22974\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:       22974
             ASName:         CHARTER-22974-MICHIGAN-DETROIT-C3
             ASHandle:       AS22974
             RegDate:        2017-07-25
             Updated:        2022-03-15
             Ref:            https://rdap.arin.net/registry/autnum/22974
             
             
             
             OrgName:        Charter Communications LLC
             OrgId:          CC04
             Address:        6175 S. Willow Dr
             City:           Greenwood Village
             StateProv:      CO
             PostalCode:     80111
             Country:        US
             RegDate:        
             Updated:        2025-02-10
             Ref:            https://rdap.arin.net/registry/entity/CC04
             
             
             OrgAbuseHandle: ABUSE19-ARIN
             OrgAbuseName:   Abuse
             OrgAbusePhone:  +1-877-777-2263 
             OrgAbuseEmail:  abuse@charter.net
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE19-ARIN
             
             OrgTechHandle: IPADD1-ARIN
             OrgTechName:   IPAddressing
             OrgTechPhone:  +1-866-248-7662 
             OrgTechEmail:  PublicIPAddressing@charter.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/IPADD1-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.
             #