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 AS3688 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS3688\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: 3688
ASName: HSS-1
ASHandle: AS3688
RegDate: 2009-09-04
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/3688
OrgName: Hospital for Special Surgery
OrgId: NEWYO-28
Address: 535 East 70th Street
City: New York
StateProv: NY
PostalCode: 10021
Country: US
RegDate: 2009-07-27
Updated: 2011-09-24
Ref: https://rdap.arin.net/registry/entity/NEWYO-28
OrgAbuseHandle: NOC11087-ARIN
OrgAbuseName: Network Operations Center
OrgAbusePhone: +1-212-606-1000
OrgAbuseEmail: nocadmin@hss.edu
OrgAbuseRef: https://rdap.arin.net/registry/entity/NOC11087-ARIN
OrgTechHandle: NOC11087-ARIN
OrgTechName: Network Operations Center
OrgTechPhone: +1-212-606-1000
OrgTechEmail: nocadmin@hss.edu
OrgTechRef: https://rdap.arin.net/registry/entity/NOC11087-ARIN
RNOCHandle: NOC11087-ARIN
RNOCName: Network Operations Center
RNOCPhone: +1-212-606-1000
RNOCEmail: nocadmin@hss.edu
RNOCRef: https://rdap.arin.net/registry/entity/NOC11087-ARIN
RTechHandle: NOC11087-ARIN
RTechName: Network Operations Center
RTechPhone: +1-212-606-1000
RTechEmail: nocadmin@hss.edu
RTechRef: https://rdap.arin.net/registry/entity/NOC11087-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.
#