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 AS18856 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS18856\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: 18856
ASName: SCCA
ASHandle: AS18856
RegDate: 2000-10-18
Updated: 2014-11-05
Ref: https://rdap.arin.net/registry/autnum/18856
OrgName: Seattle Cancer Care Alliance
OrgId: SCCA-1
Address: 825 Eastlake Ave. E
Address: P.O. Box 19023
City: Seattle
StateProv: WA
PostalCode: 98109-1023
Country: US
RegDate: 2000-10-18
Updated: 2020-12-17
Ref: https://rdap.arin.net/registry/entity/SCCA-1
OrgAbuseHandle: WILKE87-ARIN
OrgAbuseName: Wilkey, Cliff
OrgAbusePhone: +1-206-606-6749
OrgAbuseEmail: netops@seattlecca.org
OrgAbuseRef: https://rdap.arin.net/registry/entity/WILKE87-ARIN
OrgTechHandle: PURCE2-ARIN
OrgTechName: Purcell, Reed
OrgTechPhone: +1-425-268-3034
OrgTechEmail: cpurcell@fredhutch.org
OrgTechRef: https://rdap.arin.net/registry/entity/PURCE2-ARIN
OrgTechHandle: WILKE87-ARIN
OrgTechName: Wilkey, Cliff
OrgTechPhone: +1-206-606-6749
OrgTechEmail: netops@seattlecca.org
OrgTechRef: https://rdap.arin.net/registry/entity/WILKE87-ARIN
OrgNOCHandle: WILKE87-ARIN
OrgNOCName: Wilkey, Cliff
OrgNOCPhone: +1-206-606-6749
OrgNOCEmail: netops@seattlecca.org
OrgNOCRef: https://rdap.arin.net/registry/entity/WILKE87-ARIN
OrgAbuseHandle: PURCE2-ARIN
OrgAbuseName: Purcell, Reed
OrgAbusePhone: +1-425-268-3034
OrgAbuseEmail: cpurcell@fredhutch.org
OrgAbuseRef: https://rdap.arin.net/registry/entity/PURCE2-ARIN
OrgNOCHandle: PURCE2-ARIN
OrgNOCName: Purcell, Reed
OrgNOCPhone: +1-425-268-3034
OrgNOCEmail: cpurcell@fredhutch.org
OrgNOCRef: https://rdap.arin.net/registry/entity/PURCE2-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.
#