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 Jan 22 01:43:01 2022

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	2022/01/14 15:30:47	140.114.36.6	OPEN-SNMP-SERVER	1
30	2022/01/18 05:30:30	140.114.36.208	OPEN-SNMP-SERVER
31	2020/02/21 12:00:15	140.114.41.3	OPEN-SNMP-SERVER
32	2020/07/24 21:10:30	140.114.41.19	OPEN-SNMP-SERVER
33	2020/07/13 08:45:33	140.114.41.65	TACERT
34	2020/09/03 08:59:14	140.114.42.51	OPEN-NTP-SERVER
35	2021/12/29 10:20:30	140.114.42.66	OPEN-SNMP-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	2021/11/04 13:33:37	140.114.46.128	TACERT
43	2020/02/12 00:18:22	140.114.46.159	OPEN-SNMP-SERVER
44	2021/03/06 17:20:37	140.114.46.201	OPEN-SNMP-SERVER
45	2020/07/24 13:00:20	140.114.47.24	OPEN-SNMP-SERVER
46	2020/02/12 00:20:00	140.114.47.39	OPEN-SNMP-SERVER
47	2020/09/30 18:30:10	140.114.47.40	OPEN-SNMP-SERVER
48	2020/02/12 00:17:45	140.114.47.190	OPEN-SNMP-SERVER
49	2021/06/30 11:20:34	140.114.49.108	OPEN-SNMP-SERVER
50	2017/12/29 09:31:11	140.114.49.192	OTHERS
51	2020/07/22 16:50:11	140.114.49.196	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	2017/11/24 09:13:33	140.114.56.34	TACERT
60	2021/06/15 08:22:12	140.114.56.105	TACERT
61	2020/10/15 06:45:15	140.114.57.16	TACERT
62	2019/07/26 11:21:46	140.114.57.216	TACERT
63	2017/10/05 08:46:59	140.114.58.46	TACERT
64	2017/10/18 08:23:21	140.114.58.68	TACERT
65	2020/11/16 09:40:14	140.114.58.109	TACERT
66	2019/07/29 12:54:26	140.114.58.148	TACERT
67	2018/11/05 10:43:13	140.114.58.176	TACERT
68	2019/12/30 11:37:27	140.114.58.234	OTHERS
69	2018/09/04 14:38:45	140.114.59.154	TACERT
70	2019/05/08 16:36:30	140.114.59.205	TACERT
71	2022/01/19 07:50:30	140.114.60.196	OPEN-SNMP-SERVER
72	2021/11/01 10:00:21	140.114.78.64	TACERT
73	2022/01/20 01:40:32	140.114.82.214	OPEN-DNS-RESOLVER
74	2021/07/15 11:09:22	140.114.82.229	TACERT
75	2019/09/04 14:45:00	140.114.84.163	TACERT
76	2021/03/22 14:28:41	140.114.93.1	OTHERS
77	2018/01/05 14:27:06	140.114.97.161	TACERT
78	2018/01/04 10:51:55	140.114.97.163	TACERT
79	2017/08/02 10:37:34	140.114.97.164	TACERT
80	2018/01/05 11:50:58	140.114.97.165	TACERT
81	2015/01/23 14:30:56	140.114.97.171	TACERT
82	2020/11/27 08:35:59	140.114.97.200	TACERT
83	2021/05/28 14:22:28	140.114.98.74	TACERT
84	2019/03/04 14:00:40	140.114.98.94	TACERT
85	2021/03/17 09:42:46	140.114.102.1	TACERT
86	2021/03/17 09:53:42	140.114.102.32	TACERT
87	2020/02/24 15:43:05	140.114.103.30	TACERT
88	2020/05/18 23:30:22	140.114.103.66	OPEN-SNMP-SERVER
89	2017/12/29 09:33:03	140.114.103.87	OTHERS
90	2021/11/17 09:20:50	140.114.108.0	OPEN-SNMP-SERVER	1
91	2021/09/14 09:29:57	140.114.126.3	TACERT
92	2020/02/25 01:50:15	140.114.126.193	OPEN-SNMP-SERVER
93	2020/06/24 00:14:59	140.114.129.73	OPEN-SNMP-SERVER
94	2020/02/26 13:30:24	140.114.129.79	OPEN-SNMP-SERVER
95	2021/03/18 21:40:53	140.114.129.131	OPEN-SNMP-SERVER
96	2020/07/05 15:50:21	140.114.129.133	OPEN-SNMP-SERVER
97	2021/04/09 12:06:47	140.114.129.173	TACERT
98	2020/02/15 12:50:25	140.114.129.174	OPEN-SNMP-SERVER
99	2021/02/05 07:00:36	140.114.129.202	OPEN-SNMP-SERVER
100	2022/01/04 19:00:51	140.114.132.102	OPEN-SNMP-SERVER	1
101	2021/11/03 05:30:29	140.114.149.42	OPEN-SNMP-SERVER
102	2021/11/17 15:20:49	140.114.149.111	OPEN-SNMP-SERVER
103	2015/04/27 09:33:37	140.114.179.66	TACERT
104	2017/01/19 08:26:01	140.114.179.120	TACERT
105	2018/10/01 09:01:08	140.114.179.201	TACERT
106	2020/12/07 12:40:16	140.114.179.249	OPEN-SNMP-SERVER
107	2019/06/25 09:29:08	140.114.182.27	OTHERS
108	2021/09/23 21:00:55	140.114.182.152	OPEN-SNMP-SERVER
109	2020/06/20 12:50:08	140.114.182.163	OPEN-SNMP-SERVER
110	2015/03/09 14:17:05	140.114.185.22	TACERT
111	2018/01/18 10:40:23	140.114.185.41	OPEN-DNS-RESOLVER
112	2017/08/01 09:36:29	140.114.185.70	TACERT
113	2018/07/27 09:50:35	140.114.185.83	TACERT
114	2018/01/17 09:00:17	140.114.185.155	OPEN-DNS-RESOLVER
115	2018/01/16 21:20:32	140.114.185.185	OPEN-DNS-RESOLVER
116	2018/01/15 17:30:40	140.114.185.201	OPEN-DNS-RESOLVER
117	2018/12/11 15:36:39	140.114.186.12	TACERT
118	2020/07/04 17:30:23	140.114.186.14	OPEN-SNMP-SERVER
119	2019/03/14 09:04:08	140.114.186.66	TACERT
120	2019/09/09 08:59:38	140.114.186.82	TACERT
121	2021/09/29 07:00:28	140.114.186.241	OPEN-SNMP-SERVER
122	2020/03/03 16:10:14	140.114.186.243	OPEN-SNMP-SERVER
123	2020/02/12 00:17:52	140.114.186.250	OPEN-SNMP-SERVER
124	2020/02/12 00:17:11	140.114.186.251	OPEN-SNMP-SERVER
125	2020/02/12 00:17:48	140.114.186.252	OPEN-SNMP-SERVER
126	2020/02/12 00:17:19	140.114.187.30	OPEN-SNMP-SERVER
127	2020/10/15 20:00:11	140.114.188.25	OPEN-SNMP-SERVER
128	2019/08/29 14:37:35	140.114.188.31	TACERT
129	2020/10/16 02:10:21	140.114.188.34	OPEN-SNMP-SERVER
130	2021/11/03 03:30:33	140.114.188.84	OPEN-SNMP-SERVER
131	2020/05/18 09:00:09	140.114.188.147	OPEN-SNMP-SERVER
132	2021/12/08 09:21:15	140.114.203.219	TACERT
133	2021/08/31 10:40:49	140.114.203.230	OPEN-SNMP-SERVER
134	2021/10/13 09:04:04	140.114.213.28	TACERT
135	2022/01/18 16:30:52	140.114.229.23	OTHERS
Total 135 Red background means that the blocking has been more than 30 days, yellow background for more than 7 days