Report for 21835

Name

SCARSDALE-SECURITY-SYSTEMS - Scarsdale Security Systems, 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 AS4637) 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.

21835 KEIL-GATEWAY - Keil Software, Inc.

  Adjacency:     1  Upstream:     1  Downstream:     0
  Upstream Adjacent AS list
    AS20194   BEARTECH - Bear Technologies Corporation

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
21154 AS21835  ORIGIN  Originate:        256 /24.00  Transit:          0 /0.00  KEIL-GATEWAY - Keil Software, Inc.

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       %
14026 AS21835 KEIL-GATEWAY - Keil Software, Inc.            1      0      0      1      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  66.226.198.0/24      4637 3549 12179 12179 20194 21835   

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

AS21835   1 More Specifics   1 Total Advertisements   KEIL-GATEWAY - Keil Software, Inc.
    66.226.198.0/24               66.226.192.0/18

Whois Entry

whois: 402603

IANA has recorded AS21835 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS21835\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.
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             ASNumber:       21835
             ASName:         SCARSDALE-SECURITY-SYSTEMS
             ASHandle:       AS21835
             RegDate:        2010-06-29
             Updated:        2025-01-28
             Ref:            https://rdap.arin.net/registry/autnum/21835
             
             
             OrgName:        Scarsdale Security Systems, Inc.
             OrgId:          SCARSD-1
             Address:        132 Montgomery Ave
             City:           Scarsdale
             StateProv:      NY
             PostalCode:     10583
             Country:        US
             RegDate:        2001-08-29
             Updated:        2025-01-28
             Ref:            https://rdap.arin.net/registry/entity/SCARSD-1
             
             
             OrgAbuseHandle: DTR61-ARIN
             OrgAbuseName:   Raizen, David T
             OrgAbusePhone:  +1-914-722-2200 
             OrgAbuseEmail:  draizen@scarsdalesecurity.com
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/DTR61-ARIN
             
             OrgTechHandle: DTR61-ARIN
             OrgTechName:   Raizen, David T
             OrgTechPhone:  +1-914-722-2200 
             OrgTechEmail:  draizen@scarsdalesecurity.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/DTR61-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.
             #