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California Institute of Technology

California Institute of Technology uses 137,328 IPv4 addresses in 20 ranges, and 4 IPv6 ranges, by the registry records IP Company reads.

caltech.edu·United States

137,328
IPv4 addresses
20
IPv4 ranges
4
IPv6 ranges
2
ASes it operates
1
country

About the company

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

Description
Private research university located in Pasadena, California, USA
Founded
1891
Headquarters
California
Industry
higher education
Employees
979
Legal name
CALIFORNIA INSTITUTE OF TECHNOLOGY
LEI
549300CITPNHOTVPHC04
Registered
US-CA, no. 020720

Who routes its space

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

  1. AS31 California Institute of Technology131,840 · 96.00%
  2. AS14940 LIGO Livingston Observatory1,024 · 0.75%
  3. AS40189 LIGO Livingston Observatory1,024 · 0.75%
  4. AS292 ESnet512 · 0.37%
  5. AS55236 CBC256 · 0.19%
  6. AS22773 Cox Communications Inc.64 · 0.05%
  7. AS23005 SWITCH, LTD40 · 0.03%
  8. AS22911 SINAP-TIX, LLC8 · 0.01%

Where its space is

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

  1. United States137,216 · 100.00%

Networks it operates

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

ASNNAMETYPEREGISTEREDIPV4
AS31California Institute of TechnologyEducationUnited States131,840
AS40189LIGO Livingston ObservatoryEducationUnited States1,024

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
59.8 Mbps
median download
133 Mbps
median upload
67
download tests
94
upload tests

Its address ranges

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

RANGEIPV4ORIGIN
131.215.0.0/1665,536AS31
134.4.0.0/1665,536AS31
199.188.184.0/221,024AS14940
206.220.144.0/221,024
208.69.128.0/221,024AS40189
198.129.208.0/23512AS292
192.100.16.0/24256AS55236
192.12.19.0/24256AS31
192.31.43.0/24256AS31
192.41.208.0/24256AS31
192.43.243.0/24256
192.54.249.0/24256
199.233.115.0/24256
199.245.185.0/24256
199.5.128.0/24256
199.74.202.0/24256
209.242.146.192/2664AS22773
64.79.133.64/2732AS23005
136.179.22.224/298AS23005
162.255.133.200/298AS22911
2607:f520::/32AS31
2620:12d:f000::/40
2620:118:4000::/452620:118:4008::/462620:118:400c::/47
2620:118:400f::/48

Names it registers under

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

  1. California Institute of Technology132,352 · 96.38%
  2. LIGO Livingston Observatory2,048 · 1.49%
  3. The Huntington Library, Art Collections & Botanical Gardens1,024 · 0.75%
  4. ligo512 · 0.37%
  5. Mr. Film256 · 0.19%
  6. NIIT (National Information Infrastructure Testbed)256 · 0.19%
  7. Owens Valley Radio Observatory256 · 0.19%
  8. Reliable Distributed Information Corp.256 · 0.19%
  9. Subsurface Exploration Company256 · 0.19%
  10. Palomar Observatory64 · 0.05%
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