Report for 7256

Name

VIACOM-AS - Viacom 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.

7256 VIACOM-AS - Viacom Inc., US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS701           UUNET - Verizon Business, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
10535 AS7256         ORIGIN  Originate:       9472 /18.79  Transit:          0 /0.00  VIACOM-AS - Viacom 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       %
15764 AS7256        VIACOM-AS - Viacom Inc., US                       18      3      1     16      2  11.11%


  Prefix               AS Path                              Aggregation Suggestion
  166.77.0.0/23        4777 2516 3356 7256    
  166.77.3.0/24        4777 2516 3356 7256    
  166.77.4.0/24        4777 2516 3356 7256    
  166.77.10.0/24       4777 2516 3356 7256    
  166.77.16.0/24       4777 2516 3356 7256    
  166.77.17.0/24       4777 2497 3356 7256    
  166.77.23.0/24       4777 2516 3356 7256    
  166.77.24.0/24       4777 2516 701 7256     
  166.77.26.0/24       4777 2516 3356 7256    
  166.77.36.0/24       4777 2497 3356 7256 7256 7256 7256   
  166.77.38.0/24       4777 2516 3356 7256    
  166.77.60.0/23       4777 2516 3356 7256  + Announce - aggregate of 166.77.60.0/24 (4777 2516 3356 7256) and 166.77.61.0/24 (4777 2516 3356 7256)
  166.77.60.0/24       4777 2516 3356 7256  - Withdrawn - aggregated with 166.77.61.0/24 (4777 2516 3356 7256)
  166.77.61.0/24       4777 2516 3356 7256  - Withdrawn - aggregated with 166.77.60.0/24 (4777 2516 3356 7256)
  166.77.62.0/24       4777 2516 3356 7256    
  166.77.100.0/22      4777 2516 3356 7256    
  166.77.111.0/24      4777 2516 3356 7256    
  204.110.112.0/20     4777 2497 3356 7256    
  204.110.116.0/24     4777 2497 3356 7256  - Withdrawn - matching aggregate 204.110.112.0/20 4777 2497 3356 7256

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

AS7256   17 More Specifics   18 Total Advertisements   VIACOM-AS - Viacom Inc., US
    166.77.0.0/23                 166.77.0.0/16
    166.77.3.0/24                 166.77.0.0/16
    166.77.4.0/24                 166.77.0.0/16
    166.77.10.0/24                166.77.0.0/16
    166.77.16.0/24                166.77.0.0/16
    166.77.17.0/24                166.77.0.0/16
    166.77.23.0/24                166.77.0.0/16
    166.77.24.0/24                166.77.0.0/16
    166.77.26.0/24                166.77.0.0/16
    166.77.36.0/24                166.77.0.0/16
    166.77.38.0/24                166.77.0.0/16
    166.77.60.0/24                166.77.0.0/16
    166.77.61.0/24                166.77.0.0/16
    166.77.62.0/24                166.77.0.0/16
    166.77.100.0/22               166.77.0.0/16
    166.77.111.0/24               166.77.0.0/16
    204.110.116.0/24              204.110.112.0/20
    166.77.6.0/24                 166.77.0.0/16
    166.77.8.0/24                 166.77.0.0/16
    166.77.9.0/24                 166.77.0.0/16
    166.77.11.0/24                166.77.0.0/16
    166.77.12.0/22                166.77.0.0/16
    166.77.31.0/24                166.77.0.0/16
    166.77.39.0/24                166.77.0.0/16
    166.77.174.0/24               166.77.0.0/16

Prefixes added and withdrawn by this origin AS in the past 7 days.

    - 166.77.6.0/24               Withdrawn
    - 166.77.8.0/24               Withdrawn
    - 166.77.9.0/24               Withdrawn
    - 166.77.11.0/24              Withdrawn
    - 166.77.12.0/22              Withdrawn
    - 166.77.31.0/24              Withdrawn
    - 166.77.39.0/24              Withdrawn
    - 166.77.174.0/24             Withdrawn

Whois Entry

whois: 402332

IANA has recorded AS7256 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS7256\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:       7256
             ASName:         VIACOM-AS
             ASHandle:       AS7256
             RegDate:        1996-10-22
             Updated:        2012-03-02
             Ref:            https://rdap.arin.net/registry/autnum/7256
             
             
             OrgName:        Viacom Inc.
             OrgId:          VIACO-3
             Address:        1515 Broadway
             City:           New York
             StateProv:      NY
             PostalCode:     10036
             Country:        US
             RegDate:        2005-12-12
             Updated:        2015-09-30
             Comment:        For SPAM Abuse, contact SPAMA-ARIN. For all other
             Comment:        issues, contact ABUSE1189-ARIN.
             Ref:            https://rdap.arin.net/registry/entity/VIACO-3
             
             
             OrgAbuseHandle: ABUSE1189-ARIN
             OrgAbuseName:   ABUSE
             OrgAbusePhone:  +1-212-846-7679 
             OrgAbuseEmail:  abuse@viacom.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE1189-ARIN
             
             OrgAbuseHandle: SPAMA-ARIN
             OrgAbuseName:   SPAM ABUSE
             OrgAbusePhone:  +1-212-846-8651 
             OrgAbuseEmail:  abuse@viacom.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/SPAMA-ARIN
             
             OrgTechHandle: ABUSE1189-ARIN
             OrgTechName:   ABUSE
             OrgTechPhone:  +1-212-846-7679 
             OrgTechEmail:  abuse@viacom.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/ABUSE1189-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.
             #