ASN database

You may find these sub-pages interesting as well:

Related tools

DNS lookup / nslookup / DIG of DNS records. An online tool for DNS lookups. By default recursive lookups querying the authoritative name servers. Lookups on specific DNS resolvers are also possible. Additionally, it will look up secondary records and output a full log of what was done on a technical level.

WHOIS / RDAP lookup

Perform WHOIS and/or RDAP lookups on domains, IP addresses, and ASNs. Will output all available technical info, contact info, etc.

Perform reverse DNS (rDNS/PTR) lookups of any IP.

CIDR calculator

IP to CIDR calculation tool with subnet info. The reverse, CIDR ranges to IP addresses, is also possible. Last but not least, it includes a tool for refactoring groups of IPs, domain names, and/or other CIDR ranges.

What is my IPv4 and IPv6?

Check your own IP - both IPv4 and IPv6. Works as a connectivity test as well.

Online tool GeoIP location of any IP and/or domain.

World map, day/night + local time

Beautiful day/night map of the world, with markup of all major cities including local date and time.

Result

AS36671, TWO SIGMA INVESTMENTS, LP

Last update of data:
26-04-2024 21:00 UTC

ASN:

AS36671 (TWOSIGMA2)

Country:

US - United States (North America)

Org.:

TWO SIGMA INVESTMENTS, LP
https://www.twosigma.com

Stats:

Peers

12

IX'es

-

Prefixes

10

IPv4

3.072

IPv6

3,1E+26

Contact:

TWO SIGMA INVESTMENTS, LP
100 Avenue of the Americas, 16th Floor
10013
New York
US

+1-646-292-6288

abuse contact
abuse@twosigma.com
+1-212-625-5700

Peers

Country

Relationship

ASN

Organization

Peers

Prefix'es

Belgium

Upstream

Gateway Communications

46

-

Hong Kong

Upstream

China Mobile International Limited

599

6

United States

Upstream

5.720

265

United States

Upstream

GTT Communications Inc.

1.608

-

United States

Upstream

Cogent Communications

6.790

1.449

United States

Upstream

GTT Communications Inc.

2.711

869

United States

Upstream

Level 3 Parent, LLC

6.675

790

United States

Upstream

PCCW Global, Inc.

711

62

United States

Upstream

2.651

223

United States

Upstream

Verizon Business

1.346

844

United States

Upstream

4

29

United States

Upstream

AT&T Services, Inc.

2.382

2.641

Announced (uniq) prefixes

Country

ASN

Announced prefix

Description

Size

United States

TWO SIGMA INVESTMENTS, LP

256

Japan

TWO SIGMA INVESTMENTS, LP

256

United States

TWO SIGMA INVESTMENTS, LP

256

United States

TWO SIGMA INVESTMENTS, LP

256

United States

38.117.134.0/24

TWO SIGMA INVESTMENTS, LP

256

Britain (UK)

Two Sigma Investments LP

256

Hong Kong

China Mobile International Limited.

256

Japan

207.226.133.0/24

TWO SIGMA INVESTMENTS, LP

256

United States

208.77.212.0/22

TWO SIGMA INVESTMENTS, LP

1.024

Country

ASN

Announced prefix

Description

Size

United States

2620:106:3000::/40

TWO SIGMA INVESTMENTS, LP

3,1E+26

Log

000	+000	Parse input (ASN)
000	+000	Search database for 'AS36671'
002	+002	1 ASN's found
002	+000	Done
002	+000	Load details of AS36671
008	+007	10 prefixes found
020	+012	12 peers found
022	+002	No matching IX connections found!
023	+001	1 links loaded, 1 verified
025	+002	1 historical items loaded
025	+000	Done

Changelog

Newsletter

Bi-weekly (at most) with updates, changelog and info from the website. Just straight to the point info - no BS! Sign up right here, or read more about the iamroot.tech newsletter.

Signup using Google

Signup using Github

Other options: Signup using Microsoft or Signup using Facebook.

OR

No personal information gathered anywhere. E-mail may be used for login and/or newsletter - will not be sold or used by anyone else but iamroot.tech. Cookies are in use for statistical and useability purposes. Trademarks property of their respective owners. A privacy policy and terms and conditions is availible if you like.

iamrootdottech@gmail.com
Bundgaard - Løvenørnsgade 56, 2tv - DK-8700 Horsens - Denmark

Shoutouts and credits to: Bootstrap, jQuery, Bootstrap live customizer by Virtuosoft, DnsClient.NET by MichaCo, LazyLoad by Mika Tuupola, the Olson tz database by IANA, Visible earth by NASA, GeoLite2 by MaxMind, Barcoder by Wouter Huysentruit, ICONS8.
json-viewer by alenaksu.

iamrootdottech@gmail.com
Bundgaard - Løvenørnsgade 56, 2tv - DK-8700 Horsens - Denmark

No personal information gathered anywhere. E-mail may be used for login and/or newsletter - will not be sold or used by anyone else but iamroot.tech. Cookies are in use for statistical and useability purposes. Trademarks property of their respective owners. A privacy policy and terms and conditions is availible if you like.