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AS15251 Grand Central Station Internet Services, Inc.

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

Grand Central Station Internet Services, Inc. gcstation.net

US 3 Routes

AS Data

AS15251

AS15251 – Grand Central Station Internet Services, Inc.

AS Number	15251
AS Name	GRAND-CENTRAL-STATION
Organization	Grand Central Station Internet Services, Inc.(gcsis)
Country	US
Website	gcstation.net
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	ISP
Registry	ARIN
Date Allocated	2000-04-07

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Use ASN data for AS15251 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
63.166.183.0/24	AS15251	Grand Central Station Internet Services, Inc.	MIKE CASTELLANO	256
12.49.56.0/24	AS15251	Grand Central Station Internet Services, Inc.	ACC GCS INTERNET SERVICES INC	256
65.166.22.0/24	AS15251	Grand Central Station Internet Services, Inc.	MIKE CASTELLANO	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:       15251
ASName:         GRAND-CENTRAL-STATION
ASHandle:       AS15251
RegDate:        2000-04-07
Updated:        2012-02-24    
Ref:            https://rdap.arin.net/registry/autnum/15251


OrgName:        Grand Central Station Internet Services, Inc.
OrgId:          GCSIS
Address:        9308 Mansfield Road Suite 600A
City:           Shreveport
StateProv:      LA
PostalCode:     71118
Country:        US
RegDate:        2000-04-07
Updated:        2012-10-10
Ref:            https://rdap.arin.net/registry/entity/GCSIS


OrgAbuseHandle: MC736-ARIN
OrgAbuseName:   CASTELLANO, MIKE 
OrgAbusePhone:  +1-318-682-4427 
OrgAbuseEmail:  WEBMASTER@gcstation.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/MC736-ARIN

OrgTechHandle: MC736-ARIN
OrgTechName:   CASTELLANO, MIKE 
OrgTechPhone:  +1-318-682-4427 
OrgTechEmail:  WEBMASTER@gcstation.net
OrgTechRef:    https://rdap.arin.net/registry/entity/MC736-ARIN

RTechHandle: MC736-ARIN
RTechName:   CASTELLANO, MIKE 
RTechPhone:  +1-318-682-4427 
RTechEmail:  WEBMASTER@gcstation.net
RTechRef:    https://rdap.arin.net/registry/entity/MC736-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
AS7018	AT&T Enterprises, LLC	US

Upstreams

AS Number	Description	Country
AS7018	AT&T Enterprises, LLC	US

Frequently Asked Questions

What is ASN AS15251?

ASN AS15251 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS15251?

AS15251 is listed under Grand Central Station Internet Services, 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.