Network Abuse
Daily Internet threat information
Network Abuse Usage Processing report
According to“National Tsing-Hua University Network Policy” or “Network Abuse Policy”, the Computer and Communication Center will disconnect the IP of an improper user who gets involved in suspected infringement or attacking the campus network.
The owner(organization network manager) of a banned IP(or a subnet) can apply for reactivating the IP(subnet) to CC center after fixing the problem.
- Flowchart of Network Abuse Incidents Handling for dormitory areas (effective since 2005/4/8)
- Flowchart of Network Abuse Incidents Handling for administrative/teaching areas (effective since 2007/6/22)
- Online Report：Online Report：Those who send out an online report must have an mx, oz, or my (for organization) email account.
- For stable operation of campus network equipment, network reactivation process time is Mon ~Sun, 0 am, 4 am, 8 am, 12 pm, 16 pm and 20 pm. We apologize for any inconvenience.
- The total number of network blocking would be reset on September 1st and February 1st every year.
Banned IP List
Update time：Wed Nov 19 11:32:35 2025
| Serial number | Blocking time | IP / Network | Type | Comment | |
|---|---|---|---|---|---|
| 1 | 2019/09/10 09:05:43 | 140.114.50.11 | TACERT | ||
| 2 | 2025/03/18 01:50:58 | 140.114.50.71 | OPEN-SNMP-SERVER | ||
| 3 | 2025/11/18 08:21:56 | 140.114.85.179 | TACERT | ||
| 4 | 2025/05/26 10:27:46 | 140.114.97.112 | OTHERS | ||
| 5 | 2025/06/17 09:12:36 | 140.114.97.133 | OTHERS | ||
| 6 | 2025/10/15 09:27:38 | 140.114.97.148 | TACERT | ||
| 7 | 2025/06/05 16:07:07 | 140.114.102.27 | OTHERS | ||
| 8 | 2024/07/16 10:49:02 | 140.114.102.50 | OTHERS | ||
| 9 | 2024/09/12 10:03:02 | 140.114.102.54 | TACERT | ||
| 10 | 2025/11/07 09:25:04 | 140.114.102.116 | TACERT | ||
| 11 | 2025/06/05 16:07:33 | 140.114.102.195 | OTHERS | ||
| 12 | 2025/11/12 15:23:51 | 140.114.104.84 | OPEN-SNMP-SERVER | ||
| 13 | 2025/11/12 15:24:43 | 140.114.176.21 | OPEN-SNMP-SERVER | ||
| 14 | 2025/11/12 14:51:30 | 140.114.176.172 | OPEN-SNMP-SERVER | ||
| 15 | 2025/11/12 15:23:24 | 140.114.176.175 | OPEN-SNMP-SERVER | ||
| 16 | 2025/11/12 14:21:17 | 140.114.176.176 | OPEN-SNMP-SERVER | ||
| 17 | 2025/11/12 15:26:55 | 140.114.176.177 | OPEN-SNMP-SERVER | ||
| 18 | 2025/11/12 15:26:03 | 140.114.176.183 | OPEN-SNMP-SERVER | ||
| 19 | 2025/11/12 15:21:39 | 140.114.176.188 | OPEN-SNMP-SERVER | ||
| 20 | 2025/11/12 14:32:07 | 140.114.176.189 | OPEN-SNMP-SERVER | ||
| 21 | 2025/11/12 15:22:58 | 140.114.176.190 | OPEN-SNMP-SERVER | ||
| 22 | 2025/11/12 15:12:17 | 140.114.176.194 | OPEN-SNMP-SERVER | ||
| 23 | 2025/11/12 15:10:58 | 140.114.176.195 | OPEN-SNMP-SERVER | ||
| 24 | 2025/11/12 15:22:32 | 140.114.176.201 | OPEN-SNMP-SERVER | ||
| 25 | 2025/11/12 15:25:10 | 140.114.176.207 | OPEN-SNMP-SERVER | ||
| 26 | 2025/11/12 13:41:27 | 140.114.176.210 | OPEN-SNMP-SERVER | ||
| 27 | 2025/11/12 14:00:54 | 140.114.176.212 | OPEN-SNMP-SERVER | 1 | |
| 28 | 2025/11/12 15:25:36 | 140.114.176.223 | OPEN-SNMP-SERVER | ||
| 29 | 2025/11/12 15:11:24 | 140.114.176.226 | OPEN-SNMP-SERVER | ||
| 30 | 2025/11/12 14:51:04 | 140.114.176.234 | OPEN-SNMP-SERVER | ||
| 31 | 2025/11/12 14:31:41 | 140.114.176.237 | OPEN-SNMP-SERVER | ||
| 32 | 2025/11/12 15:27:22 | 140.114.176.238 | OPEN-SNMP-SERVER | ||
| 33 | 2025/11/12 16:01:12 | 140.114.176.244 | OPEN-SNMP-SERVER | ||
| 34 | 2025/11/12 16:11:08 | 140.114.176.247 | OPEN-SNMP-SERVER | ||
| 35 | 2025/11/12 13:31:35 | 140.114.176.249 | OPEN-SNMP-SERVER | ||
| 36 | 2025/11/12 15:51:15 | 140.114.176.250 | OPEN-SNMP-SERVER | ||
| 37 | 2025/11/12 15:21:13 | 140.114.176.252 | OPEN-SNMP-SERVER | ||
| 38 | 2025/11/12 13:41:01 | 140.114.177.14 | OPEN-SNMP-SERVER | ||
| 39 | 2025/11/12 15:24:17 | 140.114.177.19 | OPEN-SNMP-SERVER | ||
| 40 | 2025/11/12 14:31:14 | 140.114.177.28 | OPEN-SNMP-SERVER | ||
| 41 | 2025/11/12 15:31:18 | 140.114.177.113 | OPEN-SNMP-SERVER | ||
| 42 | 2025/07/22 09:12:15 | 140.114.179.136 | TACERT | ||
| 43 | 2024/06/25 09:31:02 | 140.114.184.30 | OPEN-SNMP-SERVER | ||
| 44 | 2020/02/12 00:17:19 | 140.114.187.30 | OPEN-SNMP-SERVER | ||
| 45 | 2022/07/01 10:04:13 | 140.114.187.37 | TACERT | ||
| 46 | 2025/04/22 07:43:36 | 140.114.189.16 | OTHERS | ||
| 47 | 2025/10/29 14:19:02 | 140.114.192.45 | TACERT | ||
| 48 | 2025/10/29 14:19:02 | 140.114.201.58 | TACERT | ||
| 49 | 2025/09/02 08:21:02 | 140.114.203.5 | TACERT | ||
| 50 | 2025/10/29 14:19:02 | 140.114.206.70 | TACERT | ||
| 51 | 2025/10/29 14:19:02 | 140.114.209.36 | TACERT | ||
| 52 | 2025/10/29 14:19:02 | 140.114.221.139 | TACERT | ||
| 53 | 2025/11/14 09:41:02 | 140.114.206.79 | TACERT | ||
| Total 53 Red background means that the blocking has been more than 30 days, yellow background for more than 7 days | |||||
