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::/40 | 309,485,009,821,345,068,724,781,056 | |
| 2001:200:100::/42 | 77,371,252,455,336,267,181,195,264 | |
| 2001:200:140::/48 | 1,208,925,819,614,629,174,706,176 | |
| 2001:200:142::/47 | 2,417,851,639,229,258,349,412,352 | |
| 2001:200:144::/46 | 4,835,703,278,458,516,698,824,704 | |
| 2001:200:148::/45 | 9,671,406,556,917,033,397,649,408 | |
| 2001:200:150::/44 | 19,342,813,113,834,066,795,298,816 | |
| 2001:200:160::/43 | 38,685,626,227,668,133,590,597,632 | |
| 2001:200:180::/41 | 154,742,504,910,672,534,362,390,528 | |
| 2001:200:200::/39 | 618,970,019,642,690,137,449,562,112 | |
| 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
- AS2907 Research Organization of Information and Systems National Institute of Informatics
- AS4690 WIDE Project
- AS4717 WIDE Project
- AS4777 Asia Pacific Network Information Centre
- AS7660 Asia Pacific Advanced Network - Japan
- AS17932 Japan Advanced Institute of Science and Technology
- AS23799 National Defense Academy
- AS38635 Keio University
- AS55384 Japan Advanced Institute of Science and Technology
- AS63783 Chiba University of Commerce
- 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.
