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AS21835 Scarsdale Security Systems, Inc.

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

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Scarsdale Security Systems, Inc. scarsdalesecurity.com

US 4 Routes

AS Data

AS21835

AS21835 – Scarsdale Security Systems, Inc.

AS Number	21835
AS Name	SCARSDALE-SECURITY-SYSTEMS
Organization	Scarsdale Security Systems, Inc.(scarsd-1)
Country	US
Website	scarsdalesecurity.com
Number of IPv4 Routes	3
Number of IPv6 Routes	1
ASN type	BUSINESS
Registry	ARIN
Date Allocated	2010-06-29

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
199.16.213.0/24	AS21835	Scarsdale Security Systems, Inc.	Scarsdale Security Systems, Inc.	256
199.16.215.0/24	AS21835	Scarsdale Security Systems, Inc.	Scarsdale Security Systems, Inc.	256
199.16.212.0/24	AS21835	Scarsdale Security Systems, Inc.	Scarsdale Security Systems, Inc.	256
2605:d4c0::/32	AS21835	Scarsdale Security Systems, Inc.	Scarsdale Security Systems, Inc.	~79×10²⁷

Raw Whois Response

#
# 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:       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.
#

Parsed Whois Response

Peers

AS Number	Description	Country
AS54004	Cablevision Lightpath LLC	US
AS21737	SpringNet	US

Upstreams

AS Number	Description	Country
AS54004	Cablevision Lightpath LLC	US
AS21737	SpringNet	US

Frequently Asked Questions

What is ASN AS21835?

ASN AS21835 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS21835?

AS21835 is listed under Scarsdale Security Systems, Inc..

What do peers, upstreams, and downstreams mean?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.