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ASN Lookup Tool
AS36671 TWOSIGMA2

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS36671
Organisation
TWO SIGMA INVESTMENTS, LP
Name
TWOSIGMA2
Total IPv4 Addresses
3,072
Total IPv4 Prefixes
12
Total IPv6 Prefixes
9
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#18,309 out of 77,680
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2006-03-14
Registration Last Change
2012-10-10
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS7018
US flagAT&T Services, Inc.
AS701
US flagVerizon Business
AS3356
US flagLevel 3 Parent, LLC
AS174
US flagCogent Communications
AS3257
US flagGTT Communications Inc.
Showing 5 of 12
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Prefix8.2.105.0/24
Range From8.2.105.0
Range To8.2.105.255
Prefix8.245.33.0/24
Range From8.245.33.0
Range To8.245.33.255
Prefix38.27.161.0/24
Range From38.27.161.0
Range To38.27.161.255
Prefix38.108.14.0/24
Range From38.108.14.0
Range To38.108.14.255
Prefix38.117.134.0/24
Range From38.117.134.0
Range To38.117.134.255
Showing 5 of 12
IPv6 Active Prefixes
Prefix2620:106:3000::/47
Range From2620:106:3000::
Range To2620:106:3001:ffff:ffff:ffff:ffff:ffff
Prefix2620:106:3002::/48
Range From2620:106:3002::
Range To2620:106:3002:ffff:ffff:ffff:ffff:ffff
Prefix2620:106:3003::/48
Range From2620:106:3003::
Range To2620:106:3003:ffff:ffff:ffff:ffff:ffff
Prefix2620:106:3004::/46
Range From2620:106:3004::
Range To2620:106:3007:ffff:ffff:ffff:ffff:ffff
Prefix2620:106:3008::/45
Range From2620:106:3008::
Range To2620:106:300f:ffff:ffff:ffff:ffff:ffff
Showing 5 of 9
Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.