www.columbia.edu
CLOUDFLARENET, US

Seen 1535 times between November 28th, 2016 and September 13th, 2024.

General Info Open in Search

Domain	columbia.edu (The registered domain)
AS	AS13335 - CLOUDFLARENET, US Note: An IP might be announced by multiple ASs. This is not shown.
Registrar	ARIN
Route	162.159.128.0/17 (Route of ASN)
IPv4	162.159.138.64 162.159.128.65

Live Screenshot Hover to expand

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Direct hits
Summary of pages hosted on this domain

IPs 128.59.105.24 | 207x 162.159.138.64 | 43x 162.159.128.65 | 33x

Domains www.columbia.edu | 284x

Recent scans (284 total) Show all

URL	Age	Size		IPs
www.columbia.edu	6 days	15 MB	139	10	4
www.columbia.edu	6 days	96 KB	9	3	1
www.columbia.edu	6 days	15 MB	169	9	5
www.columbia.edu	14 days	16 MB	123	10	4
www.columbia.edu/~ja3451/	a month	1 MB	11	4	2

Incoming hits
Summary of pages that talked to this domain

ASNs AS15169 | 907x AS46606 | 252x AS14 | 60x AS13335 | 13x AS53831 | 5x AS36363 | 4x AS36459 | 4x AS57724 | 3x AS14618 | 2x AS27647 | 1x

IPs 162.214.80.6 | 252x 2a00:1450:4001:82b::2001 | 141x 2a00:1450:4001:80f::2001 | 94x 2a00:1450:4001:827::2001 | 92x 2a00:1450:4001:829::2001 | 87x 2a00:1450:4001:800::2001 | 85x 128.59.105.24 | 58x 2a00:1450:4001:808::2001 | 57x 2a00:1450:4001:828::2001 | 57x 2a00:1450:4001:830::2001 | 56x

Countries DE | 903x US | 341x IE | 3x RU | 3x NL | 1x

Recent scans (1251 total) Show all

URL	Age	Size		IPs
calendar.columbia.edu/index.html	a month	307 KB	43	4	2
accounts.google.com/v3/signin/identifier?continue=https%3A%2F%2Fsites.google....	a month	536 KB	26	8	3
history.columbia.edu	2 months	5 MB	123	15	4
undergrad.admissions.columbia.edu	2 months	5 MB	49	12	2
library.columbia.edu/libraries/global/africa.html	2 months	1 MB	46	8	3

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Recent screenshots
Screenshots of pages hosted on this domain

Related infrastructure
Summary of infrastructure which pages hosted on this domain frequently talked to

IPs 128.59.105.24 | 207x 162.159.138.64 | 43x 162.159.128.65 | 33x

Domains www.columbia.edu | 284x

Recently observed hostnames on 'www.columbia.edu'
Searching for newly observed domains and hostnames is possible on our urlscan Pro platform.

www.columbia.edu | 2016-11-28

Attention: These domains and hostnames were discovered through Certificate Transparency (CT) Logs and have been irrevocably published as part of the public record. There is no mechanism for us or anyone else to remove this information from the Internet.

Related screenshots
Screenshots of pages that talked to this domain

DNS recordsRetrieved via DNS ANY query

A	162.159.138.64 (TTL: 3600)
A	162.159.128.65 (TTL: 3600)

WHOIS for www.columbia.edu

This Registry database contains ONLY .EDU domains.
The data in the EDUCAUSE Whois database is provided
by EDUCAUSE for information purposes in order to
assist in the process of obtaining information about
or related to .edu domain registration records.

The EDUCAUSE Whois database is authoritative for the
.EDU domain.

A Web interface for the .EDU EDUCAUSE Whois Server is
available at: http://whois.educause.edu

By submitting a Whois query, you agree that this information
will not be used to allow, enable, or otherwise support
the transmission of unsolicited commercial advertising or
solicitations via e-mail.  The use of electronic processes to
harvest information from this server is generally prohibited
except as reasonably necessary to register or modify .edu
domain names.

-------------------------------------------------------------

Domain Name: COLUMBIA.EDU

Registrant:
	Columbia University
	615 West 131st Street
	CUIT - 5th Floor
	New York, NY 10027
	USA

Administrative Contact:
	Domain Admin
	Columbia University
	615 West 131st Street
	CUIT - 5th Floor
	New York, NY 10027
	USA
	+1.2128541919
	noc@columbia.edu

Technical Contact:

	Columbia University
	615 West 131st Street
	CUIT - 5th Floor
	New York, NY 10027
	USA
	+1.2128541919
	hostmaster@columbia.edu

Name Servers:
	AUTH1.DNS.COGENTCO.COM
	AUTH5.DNS.COGENTCO.COM
	EXT-NS1.COLUMBIA.EDU
	AUTH2.DNS.COGENTCO.COM
	AUTH4.DNS.COGENTCO.COM
	NS1.LSE.AC.UK

Domain record activated:    05-Jul-1985
Domain record last updated: 01-Jul-2024
Domain expires:             31-Jul-2027

www.columbia.edu CLOUDFLARENET, US