AS2500 WIDE Project
IP Address Ranges
| Netblock | Number of IPs | |
|---|---|---|
| 133.4.128.0/18 | 16,384 | |
| 202.249.0.0/20 | 4,096 | |
| 202.249.16.0/21 | 2,048 | |
| 202.249.26.128/25 | 128 | |
| 202.249.27.0/24 | 256 | |
| 202.249.28.0/22 | 1,024 | |
| 202.249.32.0/19 | 8,192 | |
| 203.178.128.0/17 | 32,768 |
| Netblock | Number of IPs | |
|---|---|---|
| 2001:200::/38 | 1,237,940,039,285,380,274,899,124,224 | |
| 2001:200:400::/39 | 618,970,019,642,690,137,449,562,112 | |
| 2001:200:700::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2001:200:800::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2001:200:a00::/39 | 618,970,019,642,690,137,449,562,112 | |
| 2001:200:c00::/39 | 618,970,019,642,690,137,449,562,112 | |
| 2001:200:f00::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2001:200:1000::/36 | 4,951,760,157,141,521,099,596,496,896 | |
| 2001:200:2000::/35 | 9,903,520,314,283,042,199,192,993,792 | |
| 2001:200:4000::/34 | 19,807,040,628,566,084,398,385,987,584 | |
| 2001:200:8000::/34 | 19,807,040,628,566,084,398,385,987,584 |
Downstreams
- AS2501 The University of Tokyo
- AS2515 Japan Network Information Center
- AS2516 KDDI Corporation
- AS2907 Research Organization of Information and Systems National Institute of Informatics
- AS4690 WIDE Project
- AS4717 WIDE Project
- AS4718 Cyber Kansai Project
- AS4777 Asia Pacific Network Information Centre
- AS6939 Hurricane Electric LLC
- AS7500 WIDE Project
- AS7660 Asia Pacific Advanced Network - Japan
- AS7667 KDDI Research Inc.
- AS9367 Institute of Science Tokyo
- AS10014 Nihon University
- AS13335 CloudFlare Inc
- AS17932 Japan Advanced Institute of Science and Technology
- AS23634 WIDE Project
- AS23799 National Defense Academy
- AS38635 Keio University
- AS55384 Japan Advanced Institute of Science and Technology
- AS63783 Chiba University of Commerce
- AS131158 Nara Institute of Science and Technology National University Corporation
- AS141682 APIDT Infrastructure Pty Ltd
What is an Autonomous System (AS)?
An Autonomous System (AS) is a collection of connected networks that operate under a common administrative domain and share routing policies. Each AS is identified by a unique Autonomous System Number (ASN), which is used to exchange routing information with other ASs. AS can control how traffic flows through networks and then filter out unwanted traffic.
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