Report for 40294

Name

CHARTER-40294-DC - 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.

40294 CHARTER-40294-DC - Charter Communications LLC, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS20115         CHARTER-20115 - Charter Communications LLC, US
    AS7843          TWC-7843-BB - Charter Communications Inc, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
4931  AS40294        ORIGIN  Originate:      38144 /16.78  Transit:          0 /0.00  CHARTER-40294-DC - 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       %
 5470 AS40294       CHARTER-40294-DC - Charter Communications LLC     16     15      6      7      9  56.25%


  Prefix               AS Path                              Aggregation Suggestion
  47.43.16.0/20        4777 2516 7843 40294 + Announce - aggregate of 47.43.16.0/21 (4777 2516 7843 40294) and 47.43.24.0/21 (4777 2516 7843 40294)
  47.43.16.0/21        4777 2516 7843 40294 - Withdrawn - aggregated with 47.43.24.0/21 (4777 2516 7843 40294)
  47.43.24.0/21        4777 2516 7843 40294 - Withdrawn - aggregated with 47.43.16.0/21 (4777 2516 7843 40294)
  47.43.32.0/19        4777 2516 7843 40294 + Announce - aggregate of 47.43.32.0/20 (4777 2516 7843 40294) and 47.43.48.0/20 (4777 2516 7843 40294)
  47.43.32.0/20        4777 2516 7843 40294 - Withdrawn - aggregated with 47.43.48.0/20 (4777 2516 7843 40294)
  47.43.34.0/24        4777 2516 20115 40294   
  47.43.48.0/20        4777 2516 7843 40294 - Withdrawn - aggregated with 47.43.32.0/20 (4777 2516 7843 40294)
  47.43.80.0/20        4777 2516 7843 40294 + Announce - aggregate of 47.43.80.0/21 (4777 2516 7843 40294) and 47.43.88.0/21 (4777 2516 7843 40294)
  47.43.80.0/21        4777 2516 7843 40294 - Withdrawn - aggregated with 47.43.88.0/21 (4777 2516 7843 40294)
  47.43.88.0/21        4777 2516 7843 40294 - Withdrawn - aggregated with 47.43.80.0/21 (4777 2516 7843 40294)
  47.43.92.0/23        4777 2516 7843 40294 - Withdrawn - matching aggregate 47.43.88.0/21 4777 2516 7843 40294
  47.43.92.0/24        4777 2516 7843 40294 - Withdrawn - matching aggregate 47.43.88.0/21 4777 2516 7843 40294
  47.43.93.0/24        4777 2516 7843 40294 - Withdrawn - matching aggregate 47.43.88.0/21 4777 2516 7843 40294
  98.7.128.0/18        4777 2516 7843 40294 + Announce - aggregate of 98.7.128.0/19 (4777 2516 7843 40294) and 98.7.160.0/19 (4777 2516 7843 40294)
  98.7.128.0/19        4777 2516 7843 40294 - Withdrawn - aggregated with 98.7.160.0/19 (4777 2516 7843 40294)
  98.7.160.0/19        4777 2516 7843 40294 - Withdrawn - aggregated with 98.7.128.0/19 (4777 2516 7843 40294)
  98.8.40.0/21         4777 2516 7843 40294 + Announce - aggregate of 98.8.40.0/22 (4777 2516 7843 40294) and 98.8.44.0/22 (4777 2516 7843 40294)
  98.8.40.0/22         4777 2516 7843 40294 - Withdrawn - aggregated with 98.8.44.0/22 (4777 2516 7843 40294)
  98.8.44.0/22         4777 2516 7843 40294 - Withdrawn - aggregated with 98.8.40.0/22 (4777 2516 7843 40294)
  98.8.56.0/21         4777 2516 7843 40294 + Announce - aggregate of 98.8.56.0/22 (4777 2516 7843 40294) and 98.8.60.0/22 (4777 2516 7843 40294)
  98.8.56.0/22         4777 2516 7843 40294 - Withdrawn - aggregated with 98.8.60.0/22 (4777 2516 7843 40294)
  98.8.60.0/22         4777 2516 7843 40294 - Withdrawn - aggregated with 98.8.56.0/22 (4777 2516 7843 40294)

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

AS40294   16 More Specifics   16 Total Advertisements   CHARTER-40294-DC - Charter Communications LLC, US
    47.43.16.0/21                 47.32.0.0/12
    47.43.24.0/21                 47.32.0.0/12
    47.43.32.0/20                 47.32.0.0/12
    47.43.34.0/24                 47.32.0.0/12
    47.43.48.0/20                 47.32.0.0/12
    47.43.80.0/21                 47.32.0.0/12
    47.43.88.0/21                 47.32.0.0/12
    47.43.92.0/23                 47.32.0.0/12
    47.43.92.0/24                 47.32.0.0/12
    47.43.93.0/24                 47.32.0.0/12
    98.7.128.0/19                 98.0.0.0/12
    98.7.160.0/19                 98.0.0.0/12
    98.8.40.0/22                  98.0.0.0/12
    98.8.44.0/22                  98.0.0.0/12
    98.8.56.0/22                  98.0.0.0/12
    98.8.60.0/22                  98.0.0.0/12

Whois Entry

whois: 402332

IANA has recorded AS40294 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS40294\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:       40294
             ASName:         CHARTER-40294-DC
             ASHandle:       AS40294
             RegDate:        2017-07-25
             Updated:        2018-11-20
             Ref:            https://rdap.arin.net/registry/autnum/40294
             
             
             
             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.
             #