This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
whois: 402603
IANA has recorded AS4506 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS4506\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.
#
ASNumber: 4506
ASName: SEW-AS
ASHandle: AS4506
RegDate: 1995-04-04
Updated: 1995-04-04
Ref: https://rdap.arin.net/registry/autnum/4506
OrgName: SEW, Inc.
OrgId: SEWINC
Address: 7815 McCallum Blvd Suite #19204
City: Dallas
StateProv: TX
PostalCode: 75252
Country: US
RegDate: 1995-04-04
Updated: 2012-10-10
Ref: https://rdap.arin.net/registry/entity/SEWINC
OrgTechHandle: LA42-ARIN
OrgTechName: Anderson, Lisa
OrgTechPhone: +1-214-447-9128
OrgTechEmail: lisa@gumdev.com
OrgTechRef: https://rdap.arin.net/registry/entity/LA42-ARIN
OrgAbuseHandle: LA42-ARIN
OrgAbuseName: Anderson, Lisa
OrgAbusePhone: +1-214-447-9128
OrgAbuseEmail: lisa@gumdev.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/LA42-ARIN
RTechHandle: LA42-ARIN
RTechName: Anderson, Lisa
RTechPhone: +1-214-447-9128
RTechEmail: lisa@gumdev.com
RTechRef: https://rdap.arin.net/registry/entity/LA42-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.
#