AS36671 TWO SIGMA INVESTMENTS, LP

TWOSIGMA2 - TWO SIGMA INVESTMENTS, LP · registered in the United States

IPv4 addresses3,58410 prefixes · <0.001% of announced IPv4

Rank in United States#5,016largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#17,032of 79,396 networks with IPv4

IPv6256 x /487 prefixes

CountryUnited States18,679 ASNs registered there

Open AS36671 in ASN lookup Look up an IP in this network (8.2.105.1) All networks in United States

IPv4 prefixes

All 10 prefixes, in address order.

8.2.105.0/24
8.245.33.0/24
38.27.161.0/24
38.97.45.0/24
38.108.14.0/24
38.117.134.0/24
46.183.200.0/23
207.226.133.0/24
208.77.212.0/22
212.133.79.0/24

IPv6 prefixes

All 7 prefixes.

2620:106:3000::/46
2620:106:3004::/46
2620:106:3008::/45
2620:106:3010::/44
2620:106:3020::/43
2620:106:3040::/42
2620:106:3080::/41

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IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources