University of Tokyo
University of Tokyo uses 273,468 IPv4 addresses in 22 ranges, and 6 IPv6 ranges, by the registry records IP Company reads.
Who routes its space
The networks announcing its IPv4, by the addresses each announces.
Where its space is
Its IPv4 that IP Geolocation places, by country. A /24 counts for the company using most of it.
- Japan273,664 · 100.00%
Networks it operates
The autonomous systems registered under its domain, by the IPv4 each announces anywhere.
| ASN | NAME | TYPE | REGISTERED | IPV4 |
|---|---|---|---|---|
| AS2501 | The University of Tokyo | Education | Japan | 200,704 |
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.
| ASN | POLICY | TRAFFIC | RATIO | SCOPE | EXCHANGES | FACILITIES |
|---|---|---|---|---|---|---|
| AS2501 | 0 | 0 |
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.
Its address ranges
Its largest IPv4 ranges, then its IPv6 ones, as IP Company draws them, with the network announcing each.
| RANGE | IPV4 | ORIGIN |
|---|---|---|
| 130.69.0.0/16 | 65,536 | AS2501 |
| 133.11.0.0/16 | 65,536 | AS2501 |
| 157.82.0.0/16 | 65,536 | AS2501 |
| 163.212.0.0/16 | 65,536 | AS2907 |
| 192.51.208.0/20 | 4,096 | AS2501 |
| 192.41.178.0/23192.41.180.0/22192.41.184.0/21 | 3,584 | |
| 192.41.193.0/24192.41.194.0/23192.41.196.0/23 | 1,280 | |
| 192.31.122.0/23192.31.124.0/24 | 768 | |
| 192.31.119.0/24192.31.120.0/24 | 512 | |
| 192.31.116.0/24 | 256 | |
| 192.31.118.0/24 | 256 | |
| 192.31.121.0/24 | 256 | AS2907 |
| 210.137.243.0/25 | 128 | AS2907 |
| 210.146.67.128/26 | 64 | AS2907 |
| 210.146.68.192/26 | 64 | AS2907 |
| 122.1.36.192/28 | 16 | AS4713 |
| 153.231.217.184/29 | 8 | AS4713 |
| 58.156.7.192/29 | 8 | AS17506 |
| 58.89.251.80/29 | 8 | AS4713 |
| 60.36.189.56/29 | 8 | AS4713 |
| 60.36.189.88/29 | 8 | AS4713 |
| 211.120.230.184/30 | 4 | AS9621 |
| 2404:d540:2::-2404:d540:ffff:ffff:ffff:ffff:ffff:ffff | AS2501 | |
| 2001:200:180::/48 | AS2500 | |
| 2001:2f8:102d::/48 | AS2907 | |
| 2001:2f8:1041::/48 | AS2907 | |
| 2404:d540:1::/48 | AS2501 | |
| 2404:d540::/48 | AS2501 |
Names it registers under
The holder names its registry records give, by the IPv4 under each.
- University of Tokyo142,084 · 51.96%
- The University of Tokyo65,688 · 24.02%
- Yokohama City University65,536 · 23.96%
- THE UNIVERSITY OF TOKYO136 · 0.05%
- The university of Tokyo24 · 0.01%
Test the real build first.
An evaluation license puts a full current build in your hands, with no sampling, so you can measure it against your own traffic before anyone talks about terms.