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 Jul 31 06:51:27 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	2018/01/04 08:53:29	140.114.12.225	TACERT
5	2021/06/15 08:21:16	140.114.14.37	TACERT
6	2020/03/30 08:52:54	140.114.14.137	MAIL-SPAM
7	2019/02/21 13:55:52	140.114.14.192	TACERT
8	2016/11/22 02:00:21	140.114.17.60	OPEN-DNS-RESOLVER
9	2016/09/09 16:44:30	140.114.17.97	MAIL-SPAM
10	2019/05/22 09:10:18	140.114.17.191	OTHERS
11	2018/08/22 09:03:10	140.114.17.217	TACERT
12	2019/12/20 09:06:05	140.114.18.18	TACERT
13	2020/09/17 07:47:02	140.114.18.53	TACERT
14	2020/01/02 16:21:07	140.114.19.34	TACERT
15	2019/12/24 12:36:35	140.114.19.105	TACERT
16	2019/06/24 08:45:34	140.114.20.80	TACERT
17	2020/11/18 13:40:40	140.114.20.87	TACERT
18	2021/04/01 13:50:52	140.114.20.89	TACERT
19	2019/08/02 08:26:58	140.114.23.25	TACERT
20	2020/12/31 11:09:42	140.114.24.124	TACERT
21	2020/04/28 08:57:53	140.114.26.148	TACERT
22	2019/12/09 11:35:25	140.114.26.151	TACERT
23	2019/11/11 09:19:36	140.114.28.170	TACERT
24	2021/02/19 03:40:36	140.114.36.6	OPEN-SNMP-SERVER
25	2021/05/03 09:35:30	140.114.36.57	TACERT	1
26	2021/01/19 09:00:55	140.114.36.169	TACERT
27	2021/05/12 10:40:37	140.114.40.49	OPEN-SNMP-SERVER	3
28	2020/02/21 12:00:15	140.114.41.3	OPEN-SNMP-SERVER
29	2020/07/24 21:10:30	140.114.41.19	OPEN-SNMP-SERVER
30	2020/07/13 08:45:33	140.114.41.65	TACERT
31	2020/09/03 08:59:14	140.114.42.51	OPEN-NTP-SERVER
32	2020/07/05 12:30:10	140.114.46.1	OPEN-SNMP-SERVER
33	2020/07/05 12:30:14	140.114.46.4	OPEN-SNMP-SERVER
34	2020/11/17 17:10:25	140.114.46.24	OPEN-SNMP-SERVER
35	2021/04/06 11:02:49	140.114.46.42	TACERT
36	2020/03/12 09:23:06	140.114.46.114	TACERT
37	2020/02/12 00:18:22	140.114.46.159	OPEN-SNMP-SERVER
38	2021/03/06 17:20:37	140.114.46.201	OPEN-SNMP-SERVER
39	2020/07/24 13:00:20	140.114.47.24	OPEN-SNMP-SERVER
40	2020/02/12 00:20:00	140.114.47.39	OPEN-SNMP-SERVER
41	2020/09/30 18:30:10	140.114.47.40	OPEN-SNMP-SERVER
42	2020/02/12 00:17:45	140.114.47.190	OPEN-SNMP-SERVER
43	2020/06/03 12:00:41	140.114.48.93	OPEN-SNMP-SERVER
44	2020/12/18 14:00:27	140.114.49.15	OPEN-SNMP-SERVER
45	2021/07/14 11:00:59	140.114.49.63	OPEN-SNMP-SERVER
46	2021/06/30 11:20:34	140.114.49.108	OPEN-SNMP-SERVER
47	2020/03/31 11:00:18	140.114.49.116	OPEN-SNMP-SERVER
48	2020/06/11 16:10:08	140.114.49.148	OPEN-SNMP-SERVER
49	2017/12/29 09:31:11	140.114.49.192	OTHERS
50	2020/07/22 16:50:11	140.114.49.196	OPEN-SNMP-SERVER
51	2020/11/24 01:10:34	140.114.49.206	OPEN-SNMP-SERVER
52	2019/09/10 09:05:43	140.114.50.11	TACERT
53	2020/02/25 15:30:30	140.114.50.71	OPEN-SNMP-SERVER
54	2017/12/13 14:11:25	140.114.50.77	MAIL-SPAM
55	2017/12/13 14:11:58	140.114.50.175	IP-SCAN-UDP-137
56	2020/02/18 04:01:03	140.114.50.254	OPEN-SNMP-SERVER
57	2020/09/11 08:36:48	140.114.51.65	TACERT
58	2016/09/08 19:50:43	140.114.51.135	OPEN-DNS-RESOLVER
59	2021/07/05 14:18:25	140.114.54.128	TACERT
60	2021/07/05 09:14:17	140.114.54.208	TACERT	1
61	2017/11/24 09:13:33	140.114.56.34	TACERT
62	2021/06/15 08:22:12	140.114.56.105	TACERT
63	2020/10/15 06:45:15	140.114.57.16	TACERT
64	2019/07/26 11:21:46	140.114.57.216	TACERT
65	2021/05/19 10:03:36	140.114.58.3	TACERT
66	2021/05/19 09:09:09	140.114.58.35	TACERT	1
67	2017/10/05 08:46:59	140.114.58.46	TACERT
68	2017/10/18 08:23:21	140.114.58.68	TACERT
69	2020/11/16 09:40:14	140.114.58.109	TACERT
70	2019/07/29 12:54:26	140.114.58.148	TACERT
71	2018/11/05 10:43:13	140.114.58.176	TACERT
72	2019/12/30 11:37:27	140.114.58.234	OTHERS
73	2018/09/04 14:38:45	140.114.59.154	TACERT
74	2019/05/08 16:36:30	140.114.59.205	TACERT
75	2020/11/20 09:30:34	140.114.66.235	OPEN-SNMP-SERVER
76	2021/04/15 11:21:45	140.114.75.143	TACERT	1
77	2021/07/06 14:21:58	140.114.78.66	TACERT	1
78	2021/07/27 11:44:05	140.114.82.201	TACERT	1
79	2021/07/15 11:09:22	140.114.82.229	TACERT
80	2019/09/04 14:45:00	140.114.84.163	TACERT
81	2021/06/10 10:39:21	140.114.85.201	TACERT	1
82	2021/06/29 08:54:38	140.114.86.185	OPEN-NTP-SERVER
83	2021/06/26 06:50:36	140.114.87.165	OPEN-NTP-SERVER
84	2020/12/22 08:40:00	140.114.91.236	TACERT
85	2021/03/22 14:28:41	140.114.93.1	OTHERS	1
86	2021/07/19 08:49:20	140.114.97.135	TACERT
87	2020/03/02 10:27:28	140.114.97.137	TACERT
88	2018/01/05 14:27:06	140.114.97.161	TACERT
89	2018/01/04 10:51:55	140.114.97.163	TACERT
90	2017/08/02 10:37:34	140.114.97.164	TACERT
91	2018/01/05 11:50:58	140.114.97.165	TACERT
92	2015/01/23 14:30:56	140.114.97.171	TACERT
93	2020/11/27 08:35:59	140.114.97.200	TACERT
94	2021/05/28 14:22:28	140.114.98.74	TACERT
95	2019/03/04 14:00:40	140.114.98.94	TACERT
96	2021/03/17 09:42:46	140.114.102.1	TACERT
97	2021/03/17 09:53:42	140.114.102.32	TACERT
98	2020/02/24 15:43:05	140.114.103.30	TACERT
99	2020/05/18 23:30:22	140.114.103.66	OPEN-SNMP-SERVER
100	2017/12/29 09:33:03	140.114.103.87	OTHERS
101	2021/06/30 03:20:49	140.114.108.0	OPEN-SNMP-SERVER
102	2020/02/25 01:50:15	140.114.126.193	OPEN-SNMP-SERVER
103	2020/06/24 00:14:59	140.114.129.73	OPEN-SNMP-SERVER
104	2020/02/26 13:30:24	140.114.129.79	OPEN-SNMP-SERVER
105	2021/03/18 21:40:53	140.114.129.131	OPEN-SNMP-SERVER
106	2020/07/05 15:50:21	140.114.129.133	OPEN-SNMP-SERVER
107	2021/04/09 12:06:47	140.114.129.173	TACERT
108	2020/02/15 12:50:25	140.114.129.174	OPEN-SNMP-SERVER
109	2021/02/05 07:00:36	140.114.129.202	OPEN-SNMP-SERVER
110	2020/11/24 01:00:29	140.114.147.74	OPEN-SNMP-SERVER
111	2020/04/27 16:00:31	140.114.147.79	OPEN-SNMP-SERVER
112	2015/04/27 09:33:37	140.114.179.66	TACERT
113	2017/01/19 08:26:01	140.114.179.120	TACERT
114	2018/10/01 09:01:08	140.114.179.201	TACERT
115	2020/12/07 12:40:16	140.114.179.249	OPEN-SNMP-SERVER
116	2019/06/25 09:29:08	140.114.182.27	OTHERS
117	2020/06/20 12:50:08	140.114.182.163	OPEN-SNMP-SERVER
118	2015/03/09 14:17:05	140.114.185.22	TACERT
119	2018/01/18 10:40:23	140.114.185.41	OPEN-DNS-RESOLVER
120	2017/08/01 09:36:29	140.114.185.70	TACERT
121	2018/07/27 09:50:35	140.114.185.83	TACERT
122	2018/01/17 09:00:17	140.114.185.155	OPEN-DNS-RESOLVER
123	2018/01/16 21:20:32	140.114.185.185	OPEN-DNS-RESOLVER
124	2018/01/15 17:30:40	140.114.185.201	OPEN-DNS-RESOLVER
125	2018/12/11 15:36:39	140.114.186.12	TACERT
126	2020/07/04 17:30:23	140.114.186.14	OPEN-SNMP-SERVER
127	2019/03/14 09:04:08	140.114.186.66	TACERT
128	2019/09/09 08:59:38	140.114.186.82	TACERT
129	2020/03/03 16:10:14	140.114.186.243	OPEN-SNMP-SERVER
130	2020/02/12 00:17:52	140.114.186.250	OPEN-SNMP-SERVER
131	2020/02/12 00:17:11	140.114.186.251	OPEN-SNMP-SERVER
132	2020/02/12 00:17:48	140.114.186.252	OPEN-SNMP-SERVER
133	2020/02/12 00:17:19	140.114.187.30	OPEN-SNMP-SERVER
134	2020/10/15 20:00:11	140.114.188.25	OPEN-SNMP-SERVER
135	2020/04/13 13:00:08	140.114.188.28	OPEN-SNMP-SERVER
136	2019/08/29 14:37:35	140.114.188.31	TACERT
137	2020/10/16 02:10:21	140.114.188.34	OPEN-SNMP-SERVER
138	2017/08/02 08:33:51	140.114.188.103	TACERT
139	2020/05/18 09:00:09	140.114.188.147	OPEN-SNMP-SERVER
140	2021/06/30 18:20:58	140.114.203.230	OPEN-SNMP-SERVER
141	2021/07/05 09:13:51	140.114.213.28	TACERT
142	2017/07/03 09:33:39	140.114.245.192	TACERT
Total 142 Red background means that the blocking has been more than 30 days, yellow background for more than 7 days