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Columbia University

Columbia University uses 212,778 IPv4 addresses in 30 ranges, and 28 IPv6 ranges, by the registry records IP Company reads.

columbia.edu·United States

212,778
IPv4 addresses
30
IPv4 ranges
28
IPv6 ranges
8
ASes it operates
1
country

About the company

Who it is, where it is registered and who owns it.

Description
Private university in New York City, New York, US
Founded
1754
Headquarters
New York City
Industry
higher education
Employees
20,861
Legal name
The Trustees of Columbia University in the City of New York
LEI
54930058W39DHS3GTG15
Registered
US-NY

Who routes its space

The networks announcing its IPv4, by the addresses each announces.

  1. AS14 Columbia University208,896 · 98.18%
  2. AS47065 USC / UFMG PEERING Research Testbed3,072 · 1.44%
  3. AS7029 Windstream Communications LLC30 · 0.01%
  4. AS3257 GTT Communications Inc.12 · 0.01%
  5. AS61574 UNIVERSIDADE FEDERAL DE MINAS GERAIS0 · 0.00%

Where its space is

Its IPv4 that IP Geolocation places, by country. A /24 counts for the company using most of it.

  1. United States212,736 · 100.00%

Networks it operates

The autonomous systems registered under its domain, by the IPv4 each announces anywhere.

ASNNAMETYPEREGISTEREDIPV4
AS14Columbia UniversityEducationUnited States208,896
AS47065USC / UFMG PEERING Research TestbedEducationUnited States3,840
AS61574UNIVERSIDADE FEDERAL DE MINAS GERAISEducationBrazil0
AS61575UNIVERSIDADE FEDERAL DE MINAS GERAISEducationBrazil0
AS61576UNIVERSIDADE FEDERAL DE MINAS GERAISEducationBrazil0
AS263842UNIVERSIDADE FEDERAL DE MINAS GERAISEducationBrazil0
AS263843UNIVERSIDADE FEDERAL DE MINAS GERAISEducationBrazil0
AS263844UNIVERSIDADE FEDERAL DE MINAS GERAISEducationBrazil0

How its networks peer

Each network's peering policy, traffic, ratio and reach as its operator states them, with the internet exchanges and facilities it is at.

ASNPOLICYTRAFFICRATIOSCOPEEXCHANGESFACILITIES
AS14Open00
AS47065Open20-100MbpsBalancedGlobal30
AS61576Open0-20MbpsBalancedGlobal00
AS263844No peering20-100MbpsBalancedGlobal00

Internet exchanges

The internet exchanges its networks connect at, by the capacity of their ports there: 3 exchanges, 3 ports and 20.1 Gbps in all.

EXCHANGEWHEREPORTSCAPACITY
AMS-IXAmsterdam, The Netherlands110 Gbps
IX.br (PTT.br) São PauloSão Paulo/SP, Brazil110 Gbps
SIX SeattleSeattle, United States1100 Mbps

What the databases see

Addresses each address-keyed database holds in its IPv4, as a share of it, with the largest providers. A /24 counts for the company using most of it; counts overlap.

Speed tests

Speeds measured from its space in the last 90 days.

From M-Lab
62.8 Mbps
median download
80.6 Mbps
median upload
873
download tests
931
upload tests

Its address ranges

Its largest IPv4 ranges, then its IPv6 ones, as IP Company draws them, with the network announcing each.

RANGEIPV4ORIGIN
128.59.0.0/1665,536AS14
129.236.0.0/1665,536AS14
160.39.0.0/1665,536AS14
209.2.208.0/20209.2.224.0/208,192AS14
207.10.136.0/212,048AS14
209.2.47.0/24209.2.48.0/221,280AS14
184.164.230.0/23512AS47065
184.164.241.0/24184.164.242.0/24512AS47065
184.164.244.0/23512AS47065
184.164.250.0/23512AS47065
184.164.224.0/24256AS47065
184.164.237.0/24256AS47065
184.164.239.0/24256AS47065
184.164.255.0/24256AS47065
192.12.82.0/24256AS14
192.5.43.0/24256AS14
199.181.70.0/24256
204.128.166.0/24256
204.130.186.0/24256
209.2.185.0/24256AS14
64.24.222.66/3164.24.222.68/3064.24.222.72/3010AS7029
209.120.180.144/298AS3257
209.162.34.224/304AS7029
40.129.98.128/304AS7029
40.129.98.136/304AS7029
76.74.5.92/304AS3257
209.96.192.246/312AS7029
64.24.218.236/312AS7029
74.10.194.250/312AS7029
74.10.195.74/312AS7029
2001:18d8::/32AS14
2804:269c:fe63::-2804:269c:fe76:ffff:ffff:ffff:ffff:ffffAS61574
2804:269c:fea3::-2804:269c:feb6:ffff:ffff:ffff:ffff:ffffAS61574
2804:269c:fe57::/482804:269c:fe58::/452804:269c:fe60::/47AS61574
2804:269c:fe97::/482804:269c:fe98::/452804:269c:fea0::/47AS61574
2804:269c:fe41::/482804:269c:fe42::/48AS61574
2804:269c:fe44::/47AS61574
2804:269c:fe50::/47AS61574
2804:269c:fe79::/482804:269c:fe7a::/48AS61574
2804:269c:fe81::/482804:269c:fe82::/48AS61574
2804:269c:fe90::/47AS61574
2804:269c:feb9::/482804:269c:feba::/48AS61574
2804:269c:feda::/47AS61574
2804:269c:feee::/47AS61574
2804:269c:fe47::/48AS61574
2804:269c:fe49::/48AS61574
2804:269c:fe53::/48AS61574
2804:269c:fe85::/48AS61574
2804:269c:fe87::/48AS61574
2804:269c:fe89::/48AS61574
2804:269c:fe93::/48AS61574
2804:269c:fec1::/48AS61574
2804:269c:fec5::/48AS61574
2804:269c:fee5::/48AS61574
2804:269c:fee8::/48AS61574
2804:269c:feea::/48AS61574
2804:269c:feec::/48AS61574
2804:269c:fef5::/48AS61574

Names it registers under

The holder names its registry records give, by the IPv4 under each.

  1. Columbia University131,596 · 61.85%
  2. Lamont-Doherty Earth Observatory of Columbia University77,312 · 36.33%
  3. USC / UFMG PEERING Research Testbed3,072 · 1.44%
  4. Mediabridge Infosystems, Inc.256 · 0.12%
  5. Pulver Systems256 · 0.12%
  6. The W. H. Auden Society256 · 0.12%
  7. COLUMBIA UNIVERSITY30 · 0.01%
  8. UNIVERSIDADE FEDERAL DE MINAS GERAIS0 · 0.00%
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