ASN Lookup Tool

First Southwest Company firstsw.com US US 0 Routes

AS Data

AS22256

AS22256 – First Southwest Company

AS Number 22256
AS Name FIRST-SOUTHWEST
Organization First Southwest Company(firsts-2)
Country US
Website firstsw.com
Number of IPv4 Routes 0
Number of IPv6 Routes 0
ASN type BUSINESS
Registry ARIN
Date Allocated 2001-08-27

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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:       22256
ASName:         FIRST-SOUTHWEST
ASHandle:       AS22256
RegDate:        2001-08-27
Updated:        2012-02-24    
Ref:            https://rdap.arin.net/registry/autnum/22256


OrgName:        First Southwest Company
OrgId:          FIRSTS-2
Address:        325 N. St. Paul
Address:        Suite 800
City:           Dallas
StateProv:      TX
PostalCode:     75201
Country:        US
RegDate:        1994-08-24
Updated:        2011-09-24
Ref:            https://rdap.arin.net/registry/entity/FIRSTS-2


OrgAbuseHandle: LDP1-ARIN
OrgAbuseName:   Penney, Leslie D.
OrgAbusePhone:  +1-214-953-4056 
OrgAbuseEmail:  lpenney@firstsw.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/LDP1-ARIN

OrgTechHandle: LDP1-ARIN
OrgTechName:   Penney, Leslie D.
OrgTechPhone:  +1-214-953-4056 
OrgTechEmail:  lpenney@firstsw.com
OrgTechRef:    https://rdap.arin.net/registry/entity/LDP1-ARIN

RTechHandle: ME443-ARIN
RTechName:   Esparza, Marc 
RTechPhone:  +1-214-673-6694 
RTechEmail:  mesparza@firstsw.com
RTechRef:    https://rdap.arin.net/registry/entity/ME443-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

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Frequently Asked Questions

ASN AS22256 is an Autonomous System Number used to identify a network for BGP internet routing.
AS22256 is listed under First Southwest Company.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
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