AS3661 The Chinese University of Hong Kong
General Info - AS3661
84,992
79.23 Octillion
IP Address Ranges
| Netblock | From IP | To IP | Number of IPs | |
|---|---|---|---|---|
| 43.230.116.0/22 | 43.230.116.0 | 43.230.119.255 | 1,024 | |
| 43.252.200.0/22 | 43.252.200.0 | 43.252.203.255 | 1,024 | |
| 103.29.12.0/22 | 103.29.12.0 | 103.29.15.255 | 1,024 | |
| 103.49.160.0/22 | 103.49.160.0 | 103.49.163.255 | 1,024 | |
| 123.255.64.0/21 | 123.255.64.0 | 123.255.71.255 | 2,048 | |
| 123.255.72.0/21 | 123.255.72.0 | 123.255.79.255 | 2,048 | |
| 123.255.80.0/21 | 123.255.80.0 | 123.255.87.255 | 2,048 | |
| 137.189.0.0/17 | 137.189.0.0 | 137.189.127.255 | 32,768 | |
| 137.189.128.0/18 | 137.189.128.0 | 137.189.191.255 | 16,384 | |
| 137.189.192.0/22 | 137.189.192.0 | 137.189.195.255 | 1,024 | |
| 137.189.196.0/24 | 137.189.196.0 | 137.189.196.255 | 256 | |
| 137.189.197.0/24 | 137.189.197.0 | 137.189.197.255 | 256 | |
| 137.189.198.0/23 | 137.189.198.0 | 137.189.199.255 | 512 | |
| 137.189.200.0/21 | 137.189.200.0 | 137.189.207.255 | 2,048 | |
| 137.189.208.0/20 | 137.189.208.0 | 137.189.223.255 | 4,096 | |
| 137.189.224.0/19 | 137.189.224.0 | 137.189.255.255 | 8,192 | |
| 175.159.224.0/22 | 175.159.224.0 | 175.159.227.255 | 1,024 | |
| 202.40.160.0/24 | 202.40.160.0 | 202.40.160.255 | 256 | |
| 202.40.161.0/24 | 202.40.161.0 | 202.40.161.255 | 256 | |
| 202.40.216.0/24 | 202.40.216.0 | 202.40.216.255 | 256 | |
| 202.45.176.0/24 | 202.45.176.0 | 202.45.176.255 | 256 | |
| 202.45.178.0/23 | 202.45.178.0 | 202.45.179.255 | 512 | |
| 202.45.180.0/22 | 202.45.180.0 | 202.45.183.255 | 1,024 | |
| 202.45.184.0/22 | 202.45.184.0 | 202.45.187.255 | 1,024 | |
| 203.188.64.0/20 | 203.188.64.0 | 203.188.79.255 | 4,096 | |
| 218.100.16.0/23 | 218.100.16.0 | 218.100.17.255 | 512 |
| Netblock | From IP | To IP | Number of IPs | |
|---|---|---|---|---|
| 2001:ce0:3::/48 | 2001:ce0:3:: | 2001:ce0:3:ffff:ffff:ffff:ffff:ffff | 1.21 Septillion | |
| 2405:3000::/32 | 2405:3000:: | 2405:3000:ffff:ffff:ffff:ffff:ffff:ffff | 79.23 Octillion |
Downstreams
There are no downstreams for this ASN.
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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