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：Mon Jan 18 02:00:09 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	2019/08/02 08:26:58	140.114.23.25	TACERT
18		140.114.24.124	TACERT
19	2020/04/28 08:57:53	140.114.26.148	TACERT
20	2019/12/09 11:35:25	140.114.26.151	TACERT
21	2019/11/11 09:19:36	140.114.28.170	TACERT
22	2020/02/21 12:00:15	140.114.41.3	OPEN-SNMP-SERVER
23	2020/07/24 21:10:30	140.114.41.19	OPEN-SNMP-SERVER
24	2020/07/13 08:45:33	140.114.41.65	TACERT
25	2016/12/25 10:30:40	140.114.42.4	OPEN-DNS-RESOLVER
26	2020/09/03 08:59:14	140.114.42.51	OPEN-NTP-SERVER
27	2017/09/21 12:30:23	140.114.42.67	OPEN-DNS-RESOLVER
28	2020/07/05 12:30:10	140.114.46.1	OPEN-SNMP-SERVER
29	2020/07/05 12:30:14	140.114.46.4	OPEN-SNMP-SERVER
30	2020/11/17 17:10:25	140.114.46.24	OPEN-SNMP-SERVER
31	2020/03/12 09:23:06	140.114.46.114	TACERT
32	2020/02/12 00:18:22	140.114.46.159	OPEN-SNMP-SERVER
33	2020/07/24 13:00:20	140.114.47.24	OPEN-SNMP-SERVER
34	2020/02/12 00:20:00	140.114.47.39	OPEN-SNMP-SERVER
35	2020/09/30 18:30:10	140.114.47.40	OPEN-SNMP-SERVER
36	2020/02/12 00:17:45	140.114.47.190	OPEN-SNMP-SERVER
37	2020/06/03 12:00:41	140.114.48.93	OPEN-SNMP-SERVER
38	2020/12/18 14:00:27	140.114.49.15	OPEN-SNMP-SERVER
39	2020/03/31 11:00:18	140.114.49.116	OPEN-SNMP-SERVER
40	2020/06/11 16:10:08	140.114.49.148	OPEN-SNMP-SERVER
41	2017/12/29 09:31:11	140.114.49.192	OTHERS
42	2020/07/22 16:50:11	140.114.49.196	OPEN-SNMP-SERVER
43	2020/11/24 01:10:34	140.114.49.206	OPEN-SNMP-SERVER
44	2019/09/10 09:05:43	140.114.50.11	TACERT
45	2020/02/25 15:30:30	140.114.50.71	OPEN-SNMP-SERVER
46	2017/12/13 14:11:25	140.114.50.77	MAIL-SPAM
47	2017/12/13 14:11:58	140.114.50.175	IP-SCAN-UDP-137
48	2020/02/18 04:01:03	140.114.50.254	OPEN-SNMP-SERVER
49	2020/09/11 08:36:48	140.114.51.65	TACERT
50	2016/09/08 19:50:43	140.114.51.135	OPEN-DNS-RESOLVER
51	2017/11/24 09:13:33	140.114.56.34	TACERT
52	2020/10/15 06:45:15	140.114.57.16	TACERT
53	2019/07/26 11:21:46	140.114.57.216	TACERT
54	2017/10/05 08:46:59	140.114.58.46	TACERT
55	2017/10/18 08:23:21	140.114.58.68	TACERT
56	2020/11/16 09:40:14	140.114.58.109	TACERT
57	2019/07/29 12:54:26	140.114.58.148	TACERT
58	2018/11/05 10:43:13	140.114.58.176	TACERT
59	2019/12/30 11:37:27	140.114.58.234	OTHERS
60	2018/09/04 14:38:45	140.114.59.154	TACERT
61	2019/05/08 16:36:30	140.114.59.205	TACERT
62	2020/11/20 09:30:34	140.114.66.235	OPEN-SNMP-SERVER
63	2020/09/29 12:36:40	140.114.71.169	OTHERS
64	2020/11/18 13:36:52	140.114.78.33	TACERT
65	2019/09/04 14:45:00	140.114.84.163	TACERT
66	2020/03/03 14:19:38	140.114.88.84	TACERT
67	2020/12/22 08:40:00	140.114.91.236	TACERT
68	2020/11/25 11:01:00	140.114.93.1	OTHERS	5
69	2020/03/02 10:27:28	140.114.97.137	TACERT
70	2018/01/05 14:27:06	140.114.97.161	TACERT
71	2018/01/04 10:51:55	140.114.97.163	TACERT
72	2017/08/02 10:37:34	140.114.97.164	TACERT
73	2018/01/05 11:50:58	140.114.97.165	TACERT
74	2015/01/23 14:30:56	140.114.97.171	TACERT
75	2020/11/27 08:35:59	140.114.97.200	TACERT
76	2019/03/04 14:00:40	140.114.98.94	TACERT
77	2020/02/24 15:43:05	140.114.103.30	TACERT
78	2020/05/18 23:30:22	140.114.103.66	OPEN-SNMP-SERVER
79	2017/12/29 09:33:03	140.114.103.87	OTHERS
80	2020/02/25 01:50:15	140.114.126.193	OPEN-SNMP-SERVER
81	2020/06/24 00:14:59	140.114.129.73	OPEN-SNMP-SERVER
82	2020/02/26 13:30:24	140.114.129.79	OPEN-SNMP-SERVER
83	2020/07/05 15:50:21	140.114.129.133	OPEN-SNMP-SERVER
84	2020/02/15 12:50:25	140.114.129.174	OPEN-SNMP-SERVER
85	2020/11/24 01:00:29	140.114.147.74	OPEN-SNMP-SERVER
86	2020/04/27 16:00:31	140.114.147.79	OPEN-SNMP-SERVER
87	2015/04/27 09:33:37	140.114.179.66	TACERT
88	2017/01/19 08:26:01	140.114.179.120	TACERT
89	2018/10/01 09:01:08	140.114.179.201	TACERT
90	2020/12/07 12:40:16	140.114.179.249	OPEN-SNMP-SERVER
91	2019/06/25 09:29:08	140.114.182.27	OTHERS
92	2020/06/20 12:50:08	140.114.182.163	OPEN-SNMP-SERVER
93	2015/03/09 14:17:05	140.114.185.22	TACERT
94	2018/01/18 10:40:23	140.114.185.41	OPEN-DNS-RESOLVER
95	2017/08/01 09:36:29	140.114.185.70	TACERT
96	2018/07/27 09:50:35	140.114.185.83	TACERT
97	2018/01/17 09:00:17	140.114.185.155	OPEN-DNS-RESOLVER
98	2018/01/16 21:20:32	140.114.185.185	OPEN-DNS-RESOLVER
99	2018/01/15 17:30:40	140.114.185.201	OPEN-DNS-RESOLVER
100	2018/12/11 15:36:39	140.114.186.12	TACERT
101	2020/07/04 17:30:23	140.114.186.14	OPEN-SNMP-SERVER
102	2019/03/14 09:04:08	140.114.186.66	TACERT
103	2019/09/09 08:59:38	140.114.186.82	TACERT
104	2020/03/03 16:10:14	140.114.186.243	OPEN-SNMP-SERVER
105	2020/02/12 00:17:52	140.114.186.250	OPEN-SNMP-SERVER
106	2020/02/12 00:17:11	140.114.186.251	OPEN-SNMP-SERVER
107	2020/02/12 00:17:48	140.114.186.252	OPEN-SNMP-SERVER
108	2020/02/12 00:17:19	140.114.187.30	OPEN-SNMP-SERVER
109	2020/10/15 20:00:11	140.114.188.25	OPEN-SNMP-SERVER
110	2020/04/13 13:00:08	140.114.188.28	OPEN-SNMP-SERVER
111	2019/08/29 14:37:35	140.114.188.31	TACERT
112	2020/10/16 02:10:21	140.114.188.34	OPEN-SNMP-SERVER
113	2017/08/02 08:33:51	140.114.188.103	TACERT
114	2020/05/18 09:00:09	140.114.188.147	OPEN-SNMP-SERVER
115	2020/10/19 12:40:25	140.114.193.73	OPEN-DNS-RESOLVER
116	2020/09/10 16:10:33	140.114.197.92	OPEN-DNS-RESOLVER
117	2020/12/15 09:14:13	140.114.201.127	TACERT
118	2020/12/14 08:43:32	140.114.202.14	OTHERS
119		140.114.203.230	OPEN-SNMP-SERVER	1
120	2020/10/27 21:40:33	140.114.204.192	OPEN-DNS-RESOLVER
121		140.114.217.29	TACERT
122	2020/11/30 08:50:09	140.114.229.19	TACERT	1
123	2020/09/16 01:20:32	140.114.230.47	OPEN-DNS-RESOLVER
124	2017/07/03 09:33:39	140.114.245.192	TACERT
Total 124 Red background means that the blocking has been more than 30 days, yellow background for more than 7 days