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.
AS31840 1 More Specifics 1 Total Advertisements HAVENS, US
63.117.188.0/24 63.64.0.0/10
Prefixes added and withdrawn by this origin AS in the past 7 days.
+ 63.117.188.0/24 Announced
whois: 402609
IANA has recorded AS31840 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS31840\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/
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# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#
ASNumber: 31840
ASName: HAVENS
ASHandle: AS31840
RegDate: 2004-01-08
Updated: 2012-02-24
Ref: https://rdap.arin.net/registry/autnum/31840
OrgName: Havens Advisors
OrgId: HAVEN
Address: 909 3rd ave
Address: 29th floor
City: New York
StateProv: NY
PostalCode: 10029
Country: US
RegDate: 2003-12-23
Updated: 2011-09-24
Ref: https://rdap.arin.net/registry/entity/HAVEN
OrgTechHandle: RNOC-ARIN
OrgTechName: RFA Network Operations Center
OrgTechPhone: +1-212-867-4600
OrgTechEmail: arin@rfa.com
OrgTechRef: https://rdap.arin.net/registry/entity/RNOC-ARIN
OrgAbuseHandle: RNOC-ARIN
OrgAbuseName: RFA Network Operations Center
OrgAbusePhone: +1-212-867-4600
OrgAbuseEmail: arin@rfa.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/RNOC-ARIN
RTechHandle: RNOC-ARIN
RTechName: RFA Network Operations Center
RTechPhone: +1-212-867-4600
RTechEmail: arin@rfa.com
RTechRef: https://rdap.arin.net/registry/entity/RNOC-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.
#