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Tohoku University

Tohoku University uses 66,832 IPv4 addresses in 5 ranges, and 2 IPv6 ranges, by the registry records IP Company reads.

tohoku.ac.jp·Japan

66,832
IPv4 addresses
5
IPv4 ranges
2
IPv6 ranges
0
ASes it operates
1
country

About the company

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

Description
Higher education institution in Miyagi Prefecture, Japan
Founded
1907
Headquarters
Sendai, Japan

Who routes its space

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

  1. AS2907 Research Organization of Information and Systems, National Institute of Informatics65,608 · 98.17%
  2. AS2516 KDDI CORPORATION8 · 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. Japan66,816 · 100.00%

Networks it operates

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

No AS number is registered under its domain.

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
40.0 Mbps
median download
98.8 Mbps
median upload
77
download tests
117
upload tests

Its address ranges

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

RANGEIPV4ORIGIN
130.34.0.0/1665,536AS2907
192.42.103.64/2664
192.42.103.128/25128
192.42.104.0/221,024
192.42.103.0/2664AS2907
118.152.231.224/298AS2516
210.137.32.8/298AS2907
2001:2f8:1006::/48AS2907
2001:2f8:200:2::/64AS2907

Names it registers under

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

  1. Tohoku University66,824 · 99.99%
  2. TOHOKU UNIVERSITY8 · 0.01%
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