#
# 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 1997-2025, American Registry for Internet Numbers, Ltd.
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ASNumber: 36671
ASName: TWOSIGMA2
ASHandle: AS36671
RegDate: 2006-03-14
Updated: 2012-10-10
Ref: https://rdap.arin.net/registry/autnum/36671

OrgName: TWO SIGMA INVESTMENTS, LP
OrgId: TSI-21
Address: 100 Avenue of the Americas, 16th Floor
City: New York
StateProv: NY
PostalCode: 10013
Country: US
RegDate: 2001-10-30
Updated: 2022-05-17
Ref: https://rdap.arin.net/registry/entity/TSI-21

OrgAbuseHandle: ABUSE8450-ARIN
OrgAbuseName: abuse contact
OrgAbusePhone: +1-212-625-5700
OrgAbuseEmail: abuse@twosigma.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE8450-ARIN

OrgTechHandle: NETWO5478-ARIN
OrgTechName: Network Engineering
OrgTechPhone: +1-646-292-6288
OrgTechEmail: neteng@twosigma.com
OrgTechRef: https://rdap.arin.net/registry/entity/NETWO5478-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 1997-2025, American Registry for Internet Numbers, Ltd.
#

IPv4 Results:

AS36671 TWO SIGMA INVESTMENTS, LLC
127.255.255.255 - 127.255.255.255

IPv6 Results:

AS36671 TWO SIGMA INVESTMENTS, LLC
2620:106:3000:: - 2620:106:30ff:ffff:ffff:ffff:ffff:ffff Prefix: 40