AS Number
AS36671
AS Name
TWOSIGMA2
Org Name
TWO SIGMA INVESTMENTS, LP
Country / Region
United States
Registry

arin

RegDate

2001-10-30

Updated

2022-05-17

AS36671 Looking Glass
IPv4Prefixes

16

IPv6Prefixes

2

IPv4 NUMs

4,096

IPv6 NUMs(/64)

16,777,216

4,096 IPv4 Addresses
CIDR Description IP Num
8.2.105.0/24
IRR Valid
TWO SIGMA INVESTMENTS, LP 256
8.245.33.0/24
IRR Valid
TWO SIGMA INVESTMENTS, LP 256
38.27.161.0/24
IRR Valid
PSINet, Inc. 256
38.97.45.0/24
IRR InValid
PSINet, Inc. 256
38.108.14.0/24
IRR Valid
TWO SIGMA INVESTMENTS, LP 256
38.117.134.0/24
IRR Valid
PSINet, Inc. 256
46.183.200.0/24
Two Sigma International Limited 256
46.183.201.0/24
NET-46-183-201-0-24 256
77.77.172.0/24
ROA Signed and Valid IRR Valid
TWO-SIGMA-INVESTMENTS-LP-GTT 256
154.210.0.0/24
ROA Signed and Valid IRR InValid
China_Mobile_International_Limited China Mobile International Limited. 256
207.226.133.0/24
IRR Valid
TWO SIGMA INVESTMENTS, LP 256
208.77.212.0/24
ROA Signed and Valid IRR Parent Valid
TWO SIGMA INVESTMENTS, LP 256
208.77.212.0/22
ROA Signed and Valid IRR Valid
TWO SIGMA INVESTMENTS, LP 1024
208.77.213.0/24
ROA Signed and Valid IRR Parent Valid
TWO SIGMA INVESTMENTS, LP 256
208.77.214.0/24
ROA Signed and Valid IRR Parent Valid
TWO SIGMA INVESTMENTS, LP 256
212.133.79.0/24
IRR InValid
Lumen_Technologies 256
CIDR Description IP NUMs(prefix /64)
2620:106:3000::/40
ROA Signed and Valid IRR Valid
TWO SIGMA INVESTMENTS, LP 16777216
2620:106:3003::/48
ROA Signed and Valid IRR Parent Valid
TWO SIGMA INVESTMENTS, LP 65536
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC, US United States 93,836,544 2,737,557,012,480 IPv4 IPv4
AS8190 MDNX - GTT, US United States 7,952 65,536 IPv4 IPv4
AS174 COGENT-174 - Cogent Communications, US United States 35,905,536 301,964,984,320 IPv4 IPv4 IPv6 IPv6
AS701 UUNET - Verizon Business, US United States 41,398,016 1,241,263,046,656 IPv4 IPv4
AS3491 CONSOLE-CONNECT-ASN - PCCW Global, Inc., US United States 1,036,544 12,885,229,568 IPv4 IPv4
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1,672,448 17,985,634,304 IPv4 IPv4
AS58453 CMI-INT-HK - China Mobile International Limited, HK Hong Kong 197,120 4,294,967,296 IPv4 IPv4
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 219,648 180,405,927,936 IPv4 IPv4
AS3257 GTT-BACKBONE - GTT Communications Inc., US United States 8,507,136 257,698,758,656 IPv4 IPv4
AS3356 LEVEL3 - Level 3 Parent, LLC, US United States 29,740,288 77,331,890,176 IPv4 IPv4 IPv6 IPv6
AS8220 COLT - COLT Technology Services Group Limited, GB United Kingdom 1,497,344 25,770,721,280 IPv4 IPv4
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


OrgTechHandle: NETWO5478-ARIN
OrgTechName:   Network Engineering
OrgTechPhone:  +1-646-292-6288 
OrgTechEmail:  neteng@twosigma.com
OrgTechRef:    https://rdap.arin.net/registry/entity/NETWO5478-ARIN

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