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 AS6447) 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, US

  Adjacency:    36  Upstream:     2  Downstream:    34
  Upstream Adjacent AS list
    AS20115         CHARTER-20115, US
    AS33363         BHN-33363, US
  Downstream Adjacent AS list
    AS33583         IBC-FGIS, US
    AS39969         4FRONT-PRI, US
    AS15111         HERMANMILLER, US
    AS394537        DOW-CHEMICAL-EMPLOYEES-CU-01, US
    AS395175        HEIDENTECH, US
    AS46252         HIA-TRCY, US
    AS14100         GARBERMAN01, US
    AS14893         CHS-MI, US
    AS19880         REALCOMPII, US
    AS13549         MERCURY, US
    AS393983        WWWROCKFORD, US
    AS36443         AUNALYTICS-INC, US
    AS396027        PORTAGEPUBLICSCHOOLS, US
    AS26532         MACLEAN-FOGG, US
    AS21974         FMIC, US
    AS63451         STONE-113, US
    AS19967         JSJ-CORP, US
    AS26174         SVSU, US
    AS16767         SPI-TC-AZO, US
    AS30243         SPSD, US
    AS393782        EJ, US
    AS393999        ALPINEWEB, US
    AS30242         SAMSA, US
    AS394908        LAZBOYASN, US
    AS398261        MCCC-MONROE-MI, US
    AS40200         ASN-MUNSON-CHARTER-ATT, US
    AS46119         MIDMICHIGANHEALTH-AS-1, US
    AS398483        SRS-PHARMACY, US
    AS395638        OTTAWACO-ASN1, US
    AS63108         MMRSAG-10, US
    AS54638         NSO, US
    AS395393        MORLEY, US
    AS18675         VS-BYNCTR, US
    AS393483        YEO-YEO, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
18702 AS22974        ORG+TRN Originate:       3584 /20.19  Transit:      41984 /16.64 CHARTER-22974-MICHIGAN-DETROIT-C3, 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       %
36585 AS22974       CHARTER-22974-MICHIGAN-DETROIT-C3, US              6      0      0      6      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  47.45.54.0/24        6939 20115 22974       
  68.233.54.0/24       3257 20115 22974       
  75.141.90.0/24       6939 20115 22974       
  76.58.6.0/23         3257 20115 22974       
  192.62.248.0/21      3257 20115 22974       
  209.172.3.0/24       3257 20115 22974       

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

AS22974   2 More Specifics   2 Total Advertisements   CHARTER-22974-MICHIGAN-DETROIT-C3, US
    76.58.6.0/23                  76.32.0.0/11
    192.62.248.0/21               192.60.0.0/14

Whois Entry

whois: 402549

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.
             #