網際網路服務之拒絕服務 IP 位址清單
查以下 IP 位址，曾對本組網際網路服務發動 DoS 攻擊或意圖破解用戶密碼，故阻斷其連線至本組網際網路服務，以保護伺服器群與用戶安全。如欲諮詢本資料，請 email 至 opr@net.nthu.edu.tw。
| IP 位址 | 阻斷時間 | IP 所屬國家 | 攻擊時間 |
|---|---|---|---|
| 5.56.133.74 | 2017/02/21 | United Kingdom | 2017/02/20 |
| 23.227.196.219 | 2017/09/11 | United States | 2017/09/10 |
| 23.227.199.54 | 2017/08/15 | United States | 2017/08/15 |
| 27.35.83.122 | 2018/08/14 | Korea | 2018/08/14 pop3s 連線 |
| 37.49.224.100 | 2018/06/30 | Netherlands | 2018/07/02 |
| 37.49.224.118 | 2018/06/21 | Netherlands | 2018/06/14 |
| 37.49.224.228 | 2017/02/24 | Netherlands | 2017/02/23 |
| 37.49.225.170 | 2017/11/01 | Netherlands | 2017/10/28 |
| 37.49.225.213 | 2018/06/29 | Netherlands | 2018/06/28 |
| 37.49.226.100 | 2016/11/29 | Netherlands | 2016/11/27 |
| 37.49.226.107 | 2016/08/29 | Netherlands | 2016/08/27 |
| 37.49.226.130 | 2016/09/09 | Netherlands | 2016/09/09 |
| 37.49.227.130 | 2018/01/23 | Netherlands | 2018/01/20 |
| 37.49.227.156 | 2017/10/19 | Netherlands | 2017/10/17 |
| 37.49.227.187 | 2018/06/12 | Netherlands | 2018/06/10 |
| 37.49.230.6 | 2019/05/13 | Netherlands | 2019/05/12 |
| 37.49.230.154 | 2018/04/25 | Netherlands | 2018/04/18-19 |
| 50.116.120.113 | 2016/08/30 | United States | 2016/08/30 |
| 50.116.121.169 | 2016/08/30 | United States | 2016/08/30 |
| 58.229.241.88 | 2018/08/14 | Korea | 2018/08/14 pop3s 連線 |
| 67.137.181.90 | 2016/08/09 | United States | 2016/08/07 |
| 70.35.202.92 | 2017/03/28 | United States | 2017/03/27 |
| 79.129.2.72 | 2016/11/11 | Greece | 2016/11/11 |
| 92.63.7.124 | 2016/08/30 | Turkey | 2016/08/30 |
| 93.89.190.250 | 2019/04/29 | Russian Federation | 2019/04/26 |
| 95.211.178.219 | 2019/06/03 | Netherlands | 2019/05/31-06/03  |
| 101.229.178.249 | 2018/08/15 | China | 2018/07/15 pop3s 連線 |
| 103.207.36.43 | 2017/11/27 | Vietnam | 2017/11/23 |
| 104.247.196.20 | 2017/02/06 | United States | 2017/02/03 |
| 104.247.196.31 | 2016/11/14 | United States | 2016/11/13 |
| 104.247.196.37 | 2017/03/28 | United States | 2017/02/28-03/01 |
| 112.72.216.189 | 2018/08/15 | Korea | 2018/08/15 pop3s 連線 |
| 112.172.180.198 | 2018/08/15 | Korea | 2018/08/15 pop3s 連線 |
| 118.193.173.158 | 2017/05/10 | China | 2017/05/10 |
| 149.255.35.85 | 2017/03/08 | United States | 2017/03/07-08 http 連線 |
| 149.255.36.212 | 2017/09/13 | United States | 2017/09/11 |
| 162.220.160.108 | 2016/07/19 | United States | 2016/07/15 |
| 173.254.253.197 | 2018/06/12 | United States | 2018/06/10-11 |
| 176.61.138.200 | 2016/12/15 | Sweden | 2016/12/13 |
| 176.61.142.196 | 2016/06/29 | United States | 2016/06/29 |
| 178.32.188.133 | 2016/05/12 | France | 2015/05/12 |
| 178.216.48.225 | 2017/04/10 | Sweden | 2017/04/09 |
| 180.63.109.197 | 2018/08/15 | Japan | 2018/08/15 pop3s 連線 |
| 185.189.112.164 | 2018/01/02 | Germany | 2018/01/01 |
| 185.206.224.132 | 2018/02/23 | Denmark | 2018/02/17-18 |
| 187.56.103.247 | 2017/04/13 | Brazil | 2017/04/13 |
| 190.128.173.134 | 2017/02/21 | Paraguay | 2017/02/19-21 |
| 190.140.29.74 | 2017/02/02 | Panama | 2017/01/31 |
| 192.64.85.184 | 2016/09/08 | United States | 2016/09/03 |
| 197.44.246.2 | 2016/08/15 | Egypt | 2015/08/13 |
| 201.82.127.187 | 2017/04/14 | Brazil | 2017/04/13 |
| 203.147.24.28 | 2016/08/09 | Thailand | 2016/08/07 |
| 210.123.105.215 | 2018/08/14 | Korea | 2018/08/13 pop3s 連線 |
| 211.211.36.61 | 2018/08/14 | Korea | 2018/08/13 pop3s 連線 |
| 218.92.147.79 | 2016/08/01 | China | 2016/07/31 - 08/01 |
| 220.93.94.146 | 2016/09/12 | Korea | 2016/09/12 |