Report for 400203

Name

BYF-MH-01 - Big Y, 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.

400203 BYF-MH-01 - Big Y, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS46887         CROWNCASTLE-AS46887 - Crown Castle Fiber LLC, US
    AS7015          COMCAST-7015 - Comcast Cable Communications, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
77275 AS400203       ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  BYF-MH-01 - Big Y, 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       %
76906 AS400203      BYF-MH-01 - Big Y, US                              1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  50.231.225.0/24      4777 2516 7922 7015 400203   

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

AS400203   1 More Specifics   1 Total Advertisements   BYF-MH-01 - Big Y, US
    50.231.225.0/24               50.128.0.0/9

Whois Entry

whois: 402332

IANA has recorded AS400203 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS400203\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:       400203
             ASName:         BYF-MH-01
             ASHandle:       AS400203
             RegDate:        2021-11-05
             Updated:        2021-11-05
             Ref:            https://rdap.arin.net/registry/autnum/400203
             
             
             OrgName:        Big Y
             OrgId:          BYF-10
             Address:        2145 Roosevelt Ave
             Address:        PO Box 7840
             City:           Springfield
             StateProv:      MA
             PostalCode:     01102-7840
             Country:        US
             RegDate:        2021-10-26
             Updated:        2021-10-26
             Ref:            https://rdap.arin.net/registry/entity/BYF-10
             
             
             OrgTechHandle: MNHS-ARIN
             OrgTechName:   Manager of Networks and Hardware Support
             OrgTechPhone:  +1-413-504-4444 
             OrgTechEmail:  isnetworking@bigy.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/MNHS-ARIN
             
             OrgDNSHandle: MNHS-ARIN
             OrgDNSName:   Manager of Networks and Hardware Support
             OrgDNSPhone:  +1-413-504-4444 
             OrgDNSEmail:  isnetworking@bigy.com
             OrgDNSRef:    https://rdap.arin.net/registry/entity/MNHS-ARIN
             
             OrgAbuseHandle: MNHS-ARIN
             OrgAbuseName:   Manager of Networks and Hardware Support
             OrgAbusePhone:  +1-413-504-4444 
             OrgAbuseEmail:  isnetworking@bigy.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/MNHS-ARIN
             
             OrgRoutingHandle: MNHS-ARIN
             OrgRoutingName:   Manager of Networks and Hardware Support
             OrgRoutingPhone:  +1-413-504-4444 
             OrgRoutingEmail:  isnetworking@bigy.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/MNHS-ARIN
             
             OrgNOCHandle: MNHS-ARIN
             OrgNOCName:   Manager of Networks and Hardware Support
             OrgNOCPhone:  +1-413-504-4444 
             OrgNOCEmail:  isnetworking@bigy.com
             OrgNOCRef:    https://rdap.arin.net/registry/entity/MNHS-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.
             #