Autonomous System details
AS45688
The University of Tokyo Interfaculty Initiative in Information Studies — u-tokyo.ac.jp
Summary
| Country |
 Japan
|
| Organization | The University of Tokyo Interfaculty Initiative in Information Studies |
| Domain | u-tokyo.ac.jp |
| Number of IPv4 | 3,592 |
| Number of IPv6 | 0 |
| AS Type | Education |
| Registry | JPNIC |
| Allocated | January 01, 1970 (about 55 years ago) |
| Updated | October 18, 2012 (about 11 years ago) |
IP Ranges
AS45688 announces 7 IPv4 ranges and 0 IPv6 range.
That's a total of 3,592 IPv4 address and 0 IPv6 address.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 133.69.160.0/22 |
Japan Network Information Center
|
1,024 | APNIC | ALLOCATED PORTABLE |
| 133.69.167.248/30 |
Japan Network Information Center
|
4 | APNIC | ALLOCATED PORTABLE |
| 133.69.167.252/30 |
Japan Network Information Center
|
4 | APNIC | ALLOCATED PORTABLE |
| 133.69.168.0/22 |
Japan Network Information Center
|
1,024 | APNIC | ALLOCATED PORTABLE |
| 133.69.172.0/22 |
Japan Network Information Center
|
1,024 | APNIC | ALLOCATED PORTABLE |
| 133.69.176.0/24 |
Japan Network Information Center
|
256 | APNIC | ALLOCATED PORTABLE |
| 133.69.184.0/24 |
Japan Network Information Center
|
256 | APNIC | ALLOCATED PORTABLE |
Peers
There is no peer for AS45688.
Downstreams
There is no downstream for AS45688.