Report for 33741

Name

DENNIS-GROUP - Dennis Group, 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.

33741 DENNIS-GROUP - Dennis Group, US

  Adjacency:     6  Upstream:     6  Downstream:     0
  Upstream Adjacent AS list
    AS577           BACOM - Bell Canada, CA
    AS812           ROGERS-COMMUNICATIONS - Rogers Communications Canada Inc., CA
    AS33660         CMCS - Comcast Cable Communications, LLC, US
    AS7922          COMCAST-7922 - Comcast Cable Communications, LLC, US
    AS7015          COMCAST-7015 - Comcast Cable Communications, LLC, US
    AS7725          COMCAST-7725 - Comcast Cable Communications, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
23211 AS33741        ORIGIN  Originate:       2304 /20.83  Transit:          0 /0.00  DENNIS-GROUP - Dennis Group, 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       %
39707 AS33741       DENNIS-GROUP - Dennis Group, US                    6      0      0      6      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  23.184.184.0/24      4777 2497 577 33741    
  142.249.168.0/22     4777 2516 7922 33741   
  142.249.168.0/24     4777 2516 7922 7015 33741   
  142.249.169.0/24     4777 2516 7922 33660 33741   
  142.249.170.0/24     4777 2516 7922 7725 33741   
  142.249.171.0/24     4777 2516 3257 812 33741   

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

AS33741   4 More Specifics   6 Total Advertisements   DENNIS-GROUP - Dennis Group, US
    142.249.168.0/24              142.249.168.0/22
    142.249.169.0/24              142.249.168.0/22
    142.249.170.0/24              142.249.168.0/22
    142.249.171.0/24              142.249.168.0/22

Whois Entry

whois: 402332

IANA has recorded AS33741 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS33741\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:       33741
             ASName:         DENNIS-GROUP
             ASHandle:       AS33741
             RegDate:        2024-07-26
             Updated:        2024-07-26
             Comment:        https://dennisgroup.com
             Ref:            https://rdap.arin.net/registry/autnum/33741
             
             
             OrgName:        Dennis Group
             OrgId:          DEGL-2
             Address:        1537 Main Street
             City:           Springfield
             StateProv:      MA
             PostalCode:     01103
             Country:        US
             RegDate:        2024-06-06
             Updated:        2025-02-26
             Comment:        https://www.dennisgroup.com
             Ref:            https://rdap.arin.net/registry/entity/DEGL-2
             
             
             OrgRoutingHandle: DGITD-ARIN
             OrgRoutingName:   Dennis Group Information Technology Department
             OrgRoutingPhone:  +1-413-787-1785 
             OrgRoutingEmail:  ITAdmin@dennisgroup.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/DGITD-ARIN
             
             OrgNOCHandle: DGITD-ARIN
             OrgNOCName:   Dennis Group Information Technology Department
             OrgNOCPhone:  +1-413-787-1785 
             OrgNOCEmail:  ITAdmin@dennisgroup.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/DGITD-ARIN
             
             OrgAbuseHandle: DGITD-ARIN
             OrgAbuseName:   Dennis Group Information Technology Department
             OrgAbusePhone:  +1-413-787-1785 
             OrgAbuseEmail:  ITAdmin@dennisgroup.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/DGITD-ARIN
             
             OrgDNSHandle: DGITD-ARIN
             OrgDNSName:   Dennis Group Information Technology Department
             OrgDNSPhone:  +1-413-787-1785 
             OrgDNSEmail:  ITAdmin@dennisgroup.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/DGITD-ARIN
             
             OrgTechHandle: DGITD-ARIN
             OrgTechName:   Dennis Group Information Technology Department
             OrgTechPhone:  +1-413-787-1785 
             OrgTechEmail:  ITAdmin@dennisgroup.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/DGITD-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.
             #