Report for 6401

Name

ZAYO-CAN-6401 - Zayo Bandwidth, 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.

6401 ZAYO-CAN-6401 - Zayo Bandwidth, US

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS15290         ZAYO-CAN-15290 - Zayo Bandwidth, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
32536 AS6401         ORIGIN  Originate:       1280 /21.68  Transit:          0 /0.00  ZAYO-CAN-6401 - Zayo Bandwidth, 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       %
31709 AS6401        ZAYO-CAN-6401 - Zayo Bandwidth, US                 5      0      0      5      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  74.216.108.0/24      4777 2497 6461 15290 6401   
  159.18.19.0/24       4777 2497 6461 15290 6401   
  206.191.123.0/24     4777 2497 6461 15290 6401 6401 6401 6401   
  209.82.116.0/24      4777 2497 6461 15290 6401   
  216.13.138.0/24      4777 2497 6461 15290 6401 6401 6401 6401   

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

AS6401   5 More Specifics   5 Total Advertisements   ZAYO-CAN-6401 - Zayo Bandwidth, US
    74.216.108.0/24               74.216.0.0/16
    159.18.19.0/24                159.18.0.0/16
    206.191.123.0/24              206.191.64.0/18
    209.82.116.0/24               209.82.0.0/17
    216.13.138.0/24               216.13.0.0/16

Whois Entry

whois: 402332

IANA has recorded AS6401 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS6401\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:       6401
             ASName:         ZAYO-CAN-6401
             ASHandle:       AS6401
             RegDate:        2001-10-10
             Updated:        2025-06-20
             Ref:            https://rdap.arin.net/registry/autnum/6401
             
             
             OrgName:        Zayo Bandwidth
             OrgId:          ZAYOB
             Address:        1401 Wynkoop St.
             Address:        #500
             City:           Denver
             StateProv:      CO
             PostalCode:     80202
             Country:        US
             RegDate:        2007-10-12
             Updated:        2024-11-25
             Ref:            https://rdap.arin.net/registry/entity/ZAYOB
             
             
             OrgTechHandle: ZIE-ARIN
             OrgTechName:   Zayo IP Engineering
             OrgTechPhone:  +1-866-236-2824 
             OrgTechEmail:  ipeng@zayo.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/ZIE-ARIN
             
             OrgAbuseHandle: ABUSE5675-ARIN
             OrgAbuseName:   Abuse
             OrgAbusePhone:  +1-866-236-2824 
             OrgAbuseEmail:  abuse@zayo.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE5675-ARIN
             
             OrgNOCHandle: ZIE-ARIN
             OrgNOCName:   Zayo IP Engineering
             OrgNOCPhone:  +1-866-236-2824 
             OrgNOCEmail:  ipeng@zayo.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/ZIE-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.
             #