This AS is not currently used to announce prefixes in the global routing table, nor is it used as a visible transit AS.
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS63224 1 More Specifics 2 Total Advertisements MARKWEST-ENERGY-AS, US
192.40.152.0/24 192.40.152.0/23
whois: 402590
IANA has recorded AS63224 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS63224\n
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
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# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
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ASNumber: 63224
ASName: MARKWEST-ENERGY-AS
ASHandle: AS63224
RegDate: 2014-09-16
Updated: 2014-09-16
Comment: http://www.markwest.com
Ref: https://rdap.arin.net/registry/autnum/63224
OrgName: MarkWest Energy Partners LP
OrgId: MEPL-2
Address: 1515 Arapahoe St.
Address: Tower 1 Suite 1600
City: Denver
StateProv: CO
PostalCode: 80202
Country: US
RegDate: 2014-08-01
Updated: 2014-08-01
Ref: https://rdap.arin.net/registry/entity/MEPL-2
OrgTechHandle: INT5-ARIN
OrgTechName: IT Network Team
OrgTechPhone: +1-303-925-9200
OrgTechEmail: itnetworkteam@markwest.com
OrgTechRef: https://rdap.arin.net/registry/entity/INT5-ARIN
OrgAbuseHandle: INT5-ARIN
OrgAbuseName: IT Network Team
OrgAbusePhone: +1-303-925-9200
OrgAbuseEmail: itnetworkteam@markwest.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/INT5-ARIN
OrgNOCHandle: INT5-ARIN
OrgNOCName: IT Network Team
OrgNOCPhone: +1-303-925-9200
OrgNOCEmail: itnetworkteam@markwest.com
OrgNOCRef: https://rdap.arin.net/registry/entity/INT5-ARIN
RNOCHandle: INT5-ARIN
RNOCName: IT Network Team
RNOCPhone: +1-303-925-9200
RNOCEmail: itnetworkteam@markwest.com
RNOCRef: https://rdap.arin.net/registry/entity/INT5-ARIN
RAbuseHandle: INT5-ARIN
RAbuseName: IT Network Team
RAbusePhone: +1-303-925-9200
RAbuseEmail: itnetworkteam@markwest.com
RAbuseRef: https://rdap.arin.net/registry/entity/INT5-ARIN
RTechHandle: INT5-ARIN
RTechName: IT Network Team
RTechPhone: +1-303-925-9200
RTechEmail: itnetworkteam@markwest.com
RTechRef: https://rdap.arin.net/registry/entity/INT5-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.
#