Network Abuse

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：Sat Oct 16 20:58:03 2021

Serial number	Blocking time	IP / Network	Type	Comment
1	2015/02/05 08:57:27	140.114.12.5	TACERT
2	2016/11/23 03:40:26	140.114.12.63	OPEN-DNS-RESOLVER
3	2016/11/24 05:10:33	140.114.12.65	OPEN-DNS-RESOLVER
4	2021/09/22 10:23:24	140.114.12.90	TACERT
5	2018/01/04 08:53:29	140.114.12.225	TACERT
6	2021/06/15 08:21:16	140.114.14.37	TACERT
7	2020/03/30 08:52:54	140.114.14.137	MAIL-SPAM
8	2019/02/21 13:55:52	140.114.14.192	TACERT
9	2016/11/22 02:00:21	140.114.17.60	OPEN-DNS-RESOLVER
10	2016/09/09 16:44:30	140.114.17.97	MAIL-SPAM
11	2019/05/22 09:10:18	140.114.17.191	OTHERS
12	2018/08/22 09:03:10	140.114.17.217	TACERT
13	2019/12/20 09:06:05	140.114.18.18	TACERT
14	2020/09/17 07:47:02	140.114.18.53	TACERT
15	2021/09/22 10:22:28	140.114.18.133	TACERT
16	2020/01/02 16:21:07	140.114.19.34	TACERT
17	2019/12/24 12:36:35	140.114.19.105	TACERT
18	2021/08/11 09:05:49	140.114.19.151	TACERT
19	2019/06/24 08:45:34	140.114.20.80	TACERT
20	2020/11/18 13:40:40	140.114.20.87	TACERT
21	2021/04/01 13:50:52	140.114.20.89	TACERT
22	2019/08/02 08:26:58	140.114.23.25	TACERT
23	2020/12/31 11:09:42	140.114.24.124	TACERT
24	2021/08/23 09:34:17	140.114.25.117	TACERT
25	2021/10/04 13:53:03	140.114.26.20	TACERT	1
26	2020/04/28 08:57:53	140.114.26.148	TACERT
27	2019/12/09 11:35:25	140.114.26.151	TACERT
28	2019/11/11 09:19:36	140.114.28.170	TACERT
29	2021/02/19 03:40:36	140.114.36.6	OPEN-SNMP-SERVER
30	2021/05/03 09:35:30	140.114.36.57	TACERT
31	2021/01/19 09:00:55	140.114.36.169	TACERT
32	2020/02/21 12:00:15	140.114.41.3	OPEN-SNMP-SERVER
33	2020/07/24 21:10:30	140.114.41.19	OPEN-SNMP-SERVER
34	2020/07/13 08:45:33	140.114.41.65	TACERT
35	2020/09/03 08:59:14	140.114.42.51	OPEN-NTP-SERVER
36	2020/07/05 12:30:10	140.114.46.1	OPEN-SNMP-SERVER
37	2020/07/05 12:30:14	140.114.46.4	OPEN-SNMP-SERVER
38	2020/11/17 17:10:25	140.114.46.24	OPEN-SNMP-SERVER
39	2021/04/06 11:02:49	140.114.46.42	TACERT
40	2021/09/22 13:58:23	140.114.46.48	TACERT
41	2020/03/12 09:23:06	140.114.46.114	TACERT
42	2020/02/12 00:18:22	140.114.46.159	OPEN-SNMP-SERVER
43	2021/03/06 17:20:37	140.114.46.201	OPEN-SNMP-SERVER
44	2020/07/24 13:00:20	140.114.47.24	OPEN-SNMP-SERVER
45	2020/02/12 00:20:00	140.114.47.39	OPEN-SNMP-SERVER
46	2020/09/30 18:30:10	140.114.47.40	OPEN-SNMP-SERVER
47	2020/02/12 00:17:45	140.114.47.190	OPEN-SNMP-SERVER
48	2020/06/03 12:00:41	140.114.48.93	OPEN-SNMP-SERVER
49	2020/12/18 14:00:27	140.114.49.15	OPEN-SNMP-SERVER
50	2021/07/14 11:00:59	140.114.49.63	OPEN-SNMP-SERVER
51	2021/06/30 11:20:34	140.114.49.108	OPEN-SNMP-SERVER
52	2020/03/31 11:00:18	140.114.49.116	OPEN-SNMP-SERVER
53	2020/06/11 16:10:08	140.114.49.148	OPEN-SNMP-SERVER
54	2017/12/29 09:31:11	140.114.49.192	OTHERS
55	2020/07/22 16:50:11	140.114.49.196	OPEN-SNMP-SERVER
56	2020/11/24 01:10:34	140.114.49.206	OPEN-SNMP-SERVER
57	2019/09/10 09:05:43	140.114.50.11	TACERT
58	2020/02/25 15:30:30	140.114.50.71	OPEN-SNMP-SERVER
59	2017/12/13 14:11:25	140.114.50.77	MAIL-SPAM
60	2017/12/13 14:11:58	140.114.50.175	IP-SCAN-UDP-137
61	2020/02/18 04:01:03	140.114.50.254	OPEN-SNMP-SERVER
62	2020/09/11 08:36:48	140.114.51.65	TACERT
63	2016/09/08 19:50:43	140.114.51.135	OPEN-DNS-RESOLVER
64	2021/07/05 14:18:25	140.114.54.128	TACERT
65	2017/11/24 09:13:33	140.114.56.34	TACERT
66	2021/06/15 08:22:12	140.114.56.105	TACERT
67	2020/10/15 06:45:15	140.114.57.16	TACERT
68	2019/07/26 11:21:46	140.114.57.216	TACERT
69	2017/10/05 08:46:59	140.114.58.46	TACERT
70	2017/10/18 08:23:21	140.114.58.68	TACERT
71	2020/11/16 09:40:14	140.114.58.109	TACERT
72	2019/07/29 12:54:26	140.114.58.148	TACERT
73	2018/11/05 10:43:13	140.114.58.176	TACERT
74	2019/12/30 11:37:27	140.114.58.234	OTHERS
75	2018/09/04 14:38:45	140.114.59.154	TACERT
76	2019/05/08 16:36:30	140.114.59.205	TACERT
77	2020/11/20 09:30:34	140.114.66.235	OPEN-SNMP-SERVER
78	2021/04/15 11:21:45	140.114.75.143	TACERT
79	2021/08/20 11:10:55	140.114.77.32	TACERT
80	2021/09/22 14:02:48	140.114.78.32	TACERT
81	2021/07/15 11:09:22	140.114.82.229	TACERT
82	2019/09/04 14:45:00	140.114.84.163	TACERT
83	2021/06/10 10:39:21	140.114.85.201	TACERT
84	2021/06/29 08:54:38	140.114.86.185	OPEN-NTP-SERVER
85	2021/06/26 06:50:36	140.114.87.165	OPEN-NTP-SERVER
86	2021/08/18 22:00:49	140.114.91.165	OPEN-NTP-SERVER
87	2020/12/22 08:40:00	140.114.91.236	TACERT
88	2021/03/22 14:28:41	140.114.93.1	OTHERS
89	2021/07/19 08:49:20	140.114.97.135	TACERT
90	2020/03/02 10:27:28	140.114.97.137	TACERT
91	2018/01/05 14:27:06	140.114.97.161	TACERT
92	2018/01/04 10:51:55	140.114.97.163	TACERT
93	2017/08/02 10:37:34	140.114.97.164	TACERT
94	2018/01/05 11:50:58	140.114.97.165	TACERT
95	2015/01/23 14:30:56	140.114.97.171	TACERT
96	2020/11/27 08:35:59	140.114.97.200	TACERT
97	2021/05/28 14:22:28	140.114.98.74	TACERT
98	2019/03/04 14:00:40	140.114.98.94	TACERT
99	2021/03/17 09:42:46	140.114.102.1	TACERT
100	2021/03/17 09:53:42	140.114.102.32	TACERT
101	2020/02/24 15:43:05	140.114.103.30	TACERT
102	2020/05/18 23:30:22	140.114.103.66	OPEN-SNMP-SERVER
103	2017/12/29 09:33:03	140.114.103.87	OTHERS
104	2021/09/28 18:20:52	140.114.104.42	OPEN-SNMP-SERVER
105	2021/06/30 03:20:49	140.114.108.0	OPEN-SNMP-SERVER
106	2021/09/29 09:20:51	140.114.108.45	OPEN-SNMP-SERVER
107	2021/09/15 09:35:07	140.114.122.102	TACERT
108	2021/09/14 09:29:57	140.114.126.3	TACERT
109	2020/02/25 01:50:15	140.114.126.193	OPEN-SNMP-SERVER
110	2020/06/24 00:14:59	140.114.129.73	OPEN-SNMP-SERVER
111	2020/02/26 13:30:24	140.114.129.79	OPEN-SNMP-SERVER
112	2021/03/18 21:40:53	140.114.129.131	OPEN-SNMP-SERVER
113	2020/07/05 15:50:21	140.114.129.133	OPEN-SNMP-SERVER
114	2021/04/09 12:06:47	140.114.129.173	TACERT
115	2020/02/15 12:50:25	140.114.129.174	OPEN-SNMP-SERVER
116	2021/02/05 07:00:36	140.114.129.202	OPEN-SNMP-SERVER
117	2021/09/29 11:00:47	140.114.132.101	OPEN-SNMP-SERVER
118	2020/11/24 01:00:29	140.114.147.74	OPEN-SNMP-SERVER
119	2020/04/27 16:00:31	140.114.147.79	OPEN-SNMP-SERVER
120	2015/04/27 09:33:37	140.114.179.66	TACERT
121	2017/01/19 08:26:01	140.114.179.120	TACERT
122	2018/10/01 09:01:08	140.114.179.201	TACERT
123	2020/12/07 12:40:16	140.114.179.249	OPEN-SNMP-SERVER
124	2019/06/25 09:29:08	140.114.182.27	OTHERS
125	2021/09/23 21:00:55	140.114.182.152	OPEN-SNMP-SERVER
126	2020/06/20 12:50:08	140.114.182.163	OPEN-SNMP-SERVER
127	2015/03/09 14:17:05	140.114.185.22	TACERT
128	2018/01/18 10:40:23	140.114.185.41	OPEN-DNS-RESOLVER
129	2017/08/01 09:36:29	140.114.185.70	TACERT
130	2018/07/27 09:50:35	140.114.185.83	TACERT
131	2018/01/17 09:00:17	140.114.185.155	OPEN-DNS-RESOLVER
132	2018/01/16 21:20:32	140.114.185.185	OPEN-DNS-RESOLVER
133	2018/01/15 17:30:40	140.114.185.201	OPEN-DNS-RESOLVER
134	2018/12/11 15:36:39	140.114.186.12	TACERT
135	2020/07/04 17:30:23	140.114.186.14	OPEN-SNMP-SERVER
136	2019/03/14 09:04:08	140.114.186.66	TACERT
137	2019/09/09 08:59:38	140.114.186.82	TACERT
138	2021/09/29 07:00:28	140.114.186.241	OPEN-SNMP-SERVER
139	2020/03/03 16:10:14	140.114.186.243	OPEN-SNMP-SERVER
140	2020/02/12 00:17:52	140.114.186.250	OPEN-SNMP-SERVER
141	2020/02/12 00:17:11	140.114.186.251	OPEN-SNMP-SERVER
142	2020/02/12 00:17:48	140.114.186.252	OPEN-SNMP-SERVER
143	2020/02/12 00:17:19	140.114.187.30	OPEN-SNMP-SERVER
144	2020/10/15 20:00:11	140.114.188.25	OPEN-SNMP-SERVER
145	2020/04/13 13:00:08	140.114.188.28	OPEN-SNMP-SERVER
146	2019/08/29 14:37:35	140.114.188.31	TACERT
147	2020/10/16 02:10:21	140.114.188.34	OPEN-SNMP-SERVER
148	2020/05/18 09:00:09	140.114.188.147	OPEN-SNMP-SERVER
149	2021/08/31 10:40:49	140.114.203.230	OPEN-SNMP-SERVER
150	2021/10/13 09:04:04	140.114.213.28	TACERT
151	2017/07/03 09:33:39	140.114.245.192	TACERT
Total 151 Red background means that the blocking has been more than 30 days, yellow background for more than 7 days