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：Thu May 06 15:15:59 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	2020/03/30 08:52:54	140.114.14.137	MAIL-SPAM
6	2019/02/21 13:55:52	140.114.14.192	TACERT
7	2016/11/22 02:00:21	140.114.17.60	OPEN-DNS-RESOLVER
8	2016/09/09 16:44:30	140.114.17.97	MAIL-SPAM
9	2019/05/22 09:10:18	140.114.17.191	OTHERS
10	2018/08/22 09:03:10	140.114.17.217	TACERT
11	2019/12/20 09:06:05	140.114.18.18	TACERT
12	2020/09/17 07:47:02	140.114.18.53	TACERT
13	2020/01/02 16:21:07	140.114.19.34	TACERT
14	2019/12/24 12:36:35	140.114.19.105	TACERT
15	2019/06/24 08:45:34	140.114.20.80	TACERT
16	2020/11/18 13:40:40	140.114.20.87	TACERT
17	2021/04/01 13:50:52	140.114.20.89	TACERT
18	2019/08/02 08:26:58	140.114.23.25	TACERT
19	2020/12/31 11:09:42	140.114.24.124	TACERT
20	2020/04/28 08:57:53	140.114.26.148	TACERT
21	2019/12/09 11:35:25	140.114.26.151	TACERT
22	2019/11/11 09:19:36	140.114.28.170	TACERT
23	2021/02/19 03:40:36	140.114.36.6	OPEN-SNMP-SERVER
24	2021/05/03 09:35:30	140.114.36.57	TACERT	1
25	2021/01/19 09:00:55	140.114.36.169	TACERT
26	2021/04/28 12:50:45	140.114.40.229	OPEN-SNMP-SERVER
27	2020/02/21 12:00:15	140.114.41.3	OPEN-SNMP-SERVER
28	2020/07/24 21:10:30	140.114.41.19	OPEN-SNMP-SERVER
29	2020/07/13 08:45:33	140.114.41.65	TACERT
30	2016/12/25 10:30:40	140.114.42.4	OPEN-DNS-RESOLVER
31	2020/09/03 08:59:14	140.114.42.51	OPEN-NTP-SERVER
32	2017/09/21 12:30:23	140.114.42.67	OPEN-DNS-RESOLVER
33	2020/07/05 12:30:10	140.114.46.1	OPEN-SNMP-SERVER
34	2020/07/05 12:30:14	140.114.46.4	OPEN-SNMP-SERVER
35	2020/11/17 17:10:25	140.114.46.24	OPEN-SNMP-SERVER
36	2021/04/06 11:02:49	140.114.46.42	TACERT
37	2020/03/12 09:23:06	140.114.46.114	TACERT
38	2020/02/12 00:18:22	140.114.46.159	OPEN-SNMP-SERVER
39	2021/03/06 17:20:37	140.114.46.201	OPEN-SNMP-SERVER
40	2020/07/24 13:00:20	140.114.47.24	OPEN-SNMP-SERVER
41	2020/02/12 00:20:00	140.114.47.39	OPEN-SNMP-SERVER
42	2020/09/30 18:30:10	140.114.47.40	OPEN-SNMP-SERVER
43	2020/02/12 00:17:45	140.114.47.190	OPEN-SNMP-SERVER
44	2020/06/03 12:00:41	140.114.48.93	OPEN-SNMP-SERVER
45	2020/12/18 14:00:27	140.114.49.15	OPEN-SNMP-SERVER
46	2020/03/31 11:00:18	140.114.49.116	OPEN-SNMP-SERVER
47	2020/06/11 16:10:08	140.114.49.148	OPEN-SNMP-SERVER
48	2017/12/29 09:31:11	140.114.49.192	OTHERS
49	2020/07/22 16:50:11	140.114.49.196	OPEN-SNMP-SERVER
50	2020/11/24 01:10:34	140.114.49.206	OPEN-SNMP-SERVER
51	2019/09/10 09:05:43	140.114.50.11	TACERT
52	2020/02/25 15:30:30	140.114.50.71	OPEN-SNMP-SERVER
53	2017/12/13 14:11:25	140.114.50.77	MAIL-SPAM
54	2017/12/13 14:11:58	140.114.50.175	IP-SCAN-UDP-137
55	2020/02/18 04:01:03	140.114.50.254	OPEN-SNMP-SERVER
56	2020/09/11 08:36:48	140.114.51.65	TACERT
57	2016/09/08 19:50:43	140.114.51.135	OPEN-DNS-RESOLVER
58	2017/11/24 09:13:33	140.114.56.34	TACERT
59	2020/10/15 06:45:15	140.114.57.16	TACERT
60	2019/07/26 11:21:46	140.114.57.216	TACERT
61	2017/10/05 08:46:59	140.114.58.46	TACERT
62	2017/10/18 08:23:21	140.114.58.68	TACERT
63	2020/11/16 09:40:14	140.114.58.109	TACERT
64	2019/07/29 12:54:26	140.114.58.148	TACERT
65	2018/11/05 10:43:13	140.114.58.176	TACERT
66	2019/12/30 11:37:27	140.114.58.234	OTHERS
67	2018/09/04 14:38:45	140.114.59.154	TACERT
68	2019/05/08 16:36:30	140.114.59.205	TACERT
69	2020/11/20 09:30:34	140.114.66.235	OPEN-SNMP-SERVER
70	2021/04/15 11:21:45	140.114.75.143	TACERT	1
71	2019/09/04 14:45:00	140.114.84.163	TACERT
72	2020/12/22 08:40:00	140.114.91.236	TACERT
73	2021/03/22 14:28:41	140.114.93.1	OTHERS	1
74	2020/03/02 10:27:28	140.114.97.137	TACERT
75	2018/01/05 14:27:06	140.114.97.161	TACERT
76	2018/01/04 10:51:55	140.114.97.163	TACERT
77	2017/08/02 10:37:34	140.114.97.164	TACERT
78	2018/01/05 11:50:58	140.114.97.165	TACERT
79	2015/01/23 14:30:56	140.114.97.171	TACERT
80	2020/11/27 08:35:59	140.114.97.200	TACERT
81	2019/03/04 14:00:40	140.114.98.94	TACERT
82	2021/03/17 09:42:46	140.114.102.1	TACERT
83	2021/03/17 09:53:42	140.114.102.32	TACERT
84	2020/02/24 15:43:05	140.114.103.30	TACERT
85	2020/05/18 23:30:22	140.114.103.66	OPEN-SNMP-SERVER
86	2017/12/29 09:33:03	140.114.103.87	OTHERS
87	2020/02/25 01:50:15	140.114.126.193	OPEN-SNMP-SERVER
88	2020/06/24 00:14:59	140.114.129.73	OPEN-SNMP-SERVER
89	2020/02/26 13:30:24	140.114.129.79	OPEN-SNMP-SERVER
90	2021/03/18 21:40:53	140.114.129.131	OPEN-SNMP-SERVER
91	2020/07/05 15:50:21	140.114.129.133	OPEN-SNMP-SERVER
92	2021/04/09 12:06:47	140.114.129.173	TACERT
93	2020/02/15 12:50:25	140.114.129.174	OPEN-SNMP-SERVER
94	2021/02/05 07:00:36	140.114.129.202	OPEN-SNMP-SERVER
95	2020/11/24 01:00:29	140.114.147.74	OPEN-SNMP-SERVER
96	2020/04/27 16:00:31	140.114.147.79	OPEN-SNMP-SERVER
97	2015/04/27 09:33:37	140.114.179.66	TACERT
98	2017/01/19 08:26:01	140.114.179.120	TACERT
99	2018/10/01 09:01:08	140.114.179.201	TACERT
100	2020/12/07 12:40:16	140.114.179.249	OPEN-SNMP-SERVER
101	2019/06/25 09:29:08	140.114.182.27	OTHERS
102	2020/06/20 12:50:08	140.114.182.163	OPEN-SNMP-SERVER
103	2015/03/09 14:17:05	140.114.185.22	TACERT
104	2018/01/18 10:40:23	140.114.185.41	OPEN-DNS-RESOLVER
105	2017/08/01 09:36:29	140.114.185.70	TACERT
106	2018/07/27 09:50:35	140.114.185.83	TACERT
107	2018/01/17 09:00:17	140.114.185.155	OPEN-DNS-RESOLVER
108	2018/01/16 21:20:32	140.114.185.185	OPEN-DNS-RESOLVER
109	2018/01/15 17:30:40	140.114.185.201	OPEN-DNS-RESOLVER
110	2018/12/11 15:36:39	140.114.186.12	TACERT
111	2020/07/04 17:30:23	140.114.186.14	OPEN-SNMP-SERVER
112	2019/03/14 09:04:08	140.114.186.66	TACERT
113	2019/09/09 08:59:38	140.114.186.82	TACERT
114	2020/03/03 16:10:14	140.114.186.243	OPEN-SNMP-SERVER
115	2020/02/12 00:17:52	140.114.186.250	OPEN-SNMP-SERVER
116	2020/02/12 00:17:11	140.114.186.251	OPEN-SNMP-SERVER
117	2020/02/12 00:17:48	140.114.186.252	OPEN-SNMP-SERVER
118	2020/02/12 00:17:19	140.114.187.30	OPEN-SNMP-SERVER
119	2020/10/15 20:00:11	140.114.188.25	OPEN-SNMP-SERVER
120	2020/04/13 13:00:08	140.114.188.28	OPEN-SNMP-SERVER
121	2019/08/29 14:37:35	140.114.188.31	TACERT
122	2020/10/16 02:10:21	140.114.188.34	OPEN-SNMP-SERVER
123	2017/08/02 08:33:51	140.114.188.103	TACERT
124	2020/05/18 09:00:09	140.114.188.147	OPEN-SNMP-SERVER
125	2021/02/01 09:07:50	140.114.199.56	TACERT
126	2021/02/02 12:50:33	140.114.203.230	OPEN-SNMP-SERVER
127	2021/02/02 09:07:05	140.114.205.59	TACERT
128	2021/03/08 09:57:26	140.114.207.15	TACERT
129	2021/03/26 11:15:11	140.114.228.49	TACERT
130	2021/03/19 13:26:23	140.114.235.18	OTHERS
131	2017/07/03 09:33:39	140.114.245.192	TACERT
Total 131 Red background means that the blocking has been more than 30 days, yellow background for more than 7 days