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AS25987 Westchester Library System

Q: Why is WHOIS data shown for an ASN?

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

ASN Lookup Tool

Westchester Library System wlsmail.org

US 1 Routes

AS Data

AS25987

AS25987 – Westchester Library System

AS Number	25987
AS Name	WESTCHESTER-LIBRARY
Organization	Westchester Library System(wls-9)
Country	US
Website	wlsmail.org
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	GOVERNMENT
Registry	ARIN
Date Allocated	2002-06-12

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Use ASN data for AS25987 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
199.97.121.0/24	AS25987	Westchester Library System	Cogent Communications, LLC	256

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:       25987
ASName:         WESTCHESTER-LIBRARY
ASHandle:       AS25987
RegDate:        2002-06-12
Updated:        2022-08-03    
Ref:            https://rdap.arin.net/registry/autnum/25987


OrgName:        Westchester Library System
OrgId:          WLS-9
Address:        570 Taxter Road, Suite 400
City:           Elmsford
StateProv:      NY
PostalCode:     10523
Country:        US
RegDate:        2002-06-12
Updated:        2023-01-05
Ref:            https://rdap.arin.net/registry/entity/WLS-9


OrgTechHandle: PETRO176-ARIN
OrgTechName:   Petrocelli, Michael 
OrgTechPhone:  +1-914-674-3616 
OrgTechEmail:  mpetrocelli@wlsmail.org
OrgTechRef:    https://rdap.arin.net/registry/entity/PETRO176-ARIN

OrgAbuseHandle: PETRO176-ARIN
OrgAbuseName:   Petrocelli, Michael 
OrgAbusePhone:  +1-914-674-3616 
OrgAbuseEmail:  mpetrocelli@wlsmail.org
OrgAbuseRef:    https://rdap.arin.net/registry/entity/PETRO176-ARIN

RTechHandle: PETRO176-ARIN
RTechName:   Petrocelli, Michael 
RTechPhone:  +1-914-674-3616 
RTechEmail:  mpetrocelli@wlsmail.org
RTechRef:    https://rdap.arin.net/registry/entity/PETRO176-ARIN

RTechHandle: JM3483-ARIN
RTechName:   Maurantonio, Joe 
RTechPhone:  +1-914-231-3277 
RTechEmail:  mpetrocelli@wlsmail.org
RTechRef:    https://rdap.arin.net/registry/entity/JM3483-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
AS46887	Crown Castle Fiber LLC	US

Upstreams

AS Number	Description	Country
AS46887	Crown Castle Fiber LLC	US

Frequently Asked Questions

What is ASN AS25987?

ASN AS25987 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS25987?

AS25987 is listed under Westchester Library System.

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.