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Spoofing Information for AS 4837 (CHINA169-Backbone)

Spoofing status per IP block

Spoof status key
receivedSpoofed packet was received.Pattern of tests from this IP block indicates a switch from allowing spoofing to blocking it.
rewrittenSpoofed packet was received, but the source address was changed en route.
blockedSpoofed packet was not received, but unspoofed packet was.
unknownNeither spoofed nor unspoofed packet was received.
IP blockLatest testSpoof
Private
Spoof
Routable
27.192.113.x/242022-03-22 02:17:13 GMTunknownunknown
27.193.249.x/242019-10-28 18:40:35 GMTblockedblocked
27.203.4.x/242020-06-25 13:45:56 GMTrewrittenrewritten
27.208.4.x/242017-06-06 11:15:43 GMTblockedblocked
27.210.98.x/242019-11-12 23:05:16 GMTblockedblocked
27.210.99.x/242019-12-17 03:36:27 GMTblockedblocked
27.210.168.x/242019-02-21 09:08:28 GMTrewrittenrewritten
27.210.213.x/242020-07-12 08:05:51 GMTblockedblocked
27.210.214.x/242020-01-07 06:54:36 GMTblockedblocked
27.213.93.x/242021-03-14 04:57:21 GMTrewrittenrewritten
27.214.135.x/242022-05-05 01:02:04 GMTunknownrewritten
27.219.1.x/242018-08-08 00:39:59 GMTblockedblocked
27.223.173.x/242019-10-21 17:34:18 GMTblockedblocked
39.65.40.x/242019-11-26 00:17:34 GMTblockedblocked
39.73.160.x/242021-06-09 12:30:04 GMTblockedblocked
39.77.24.x/242019-12-03 01:23:52 GMTblockedblocked
39.87.129.x/242017-05-01 05:27:03 GMTunknownunknown
39.88.10.x/242019-12-31 05:48:14 GMTblockedblocked
39.88.15.x/242019-10-11 07:52:07 GMTblockedblocked
39.88.176.x/242019-12-10 02:30:12 GMTblockedblocked
39.88.177.x/242019-08-18 03:14:14 GMTblockedblocked
39.88.179.x/242019-11-18 23:11:15 GMTblockedblocked
39.89.24.x/242020-07-19 09:12:58 GMTblockedblocked
42.49.19.x/242022-01-04 03:16:02 GMTunknownrewritten
42.49.28.x/242022-03-11 01:27:02 GMTunknownunknown
42.49.68.x/242022-02-08 04:53:11 GMTrewrittenrewritten
42.49.69.x/242021-12-07 05:03:30 GMTrewrittenrewritten
42.49.74.x/242021-11-04 16:00:17 GMTrewrittenrewritten
42.49.75.x/242022-01-26 05:24:22 GMTrewrittenrewritten
42.53.182.x/242017-05-28 15:15:07 GMTrewrittenrewritten
42.56.116.x/242017-10-02 11:45:42 GMTrewrittenrewritten
42.227.253.x/242016-06-09 01:08:14 GMTrewrittenrewritten
43.250.200.x/242018-10-07 04:38:19 GMTrewrittenrewritten
43.250.201.x/242022-01-31 08:20:08 GMTrewrittenrewritten
43.250.246.x/242022-05-25 01:15:24 GMTrewrittenrewritten
43.250.247.x/242022-05-19 08:59:25 GMTrewrittenrewritten
45.125.44.x/242020-09-19 16:28:06 GMTblockedreceived
58.18.67.x/242022-07-28 06:06:31 GMTrewrittenrewritten
58.20.19.x/242022-07-07 10:33:28 GMTunknownunknown
58.240.31.x/242020-01-04 13:58:32 GMTrewrittenrewritten
58.240.34.x/242019-10-28 08:37:13 GMTrewrittenrewritten
58.240.35.x/242018-12-27 16:03:11 GMTrewrittenrewritten
58.240.95.x/242019-09-06 08:11:13 GMTrewrittenrewritten
58.241.223.x/242020-02-29 15:36:34 GMTrewrittenrewritten
58.244.33.x/242017-11-18 15:04:59 GMTrewrittenrewritten
60.3.102.x/242021-08-10 07:18:02 GMTrewrittenrewritten
60.13.227.x/242018-12-09 07:52:45 GMTblockedblocked
60.13.229.x/242019-02-07 17:45:50 GMTblockedblocked
60.14.254.x/242016-10-30 03:16:15 GMTrewrittenrewritten
60.16.131.x/242018-01-14 01:59:22 GMTblockedblocked
60.28.187.x/242016-06-17 01:21:45 GMTrewrittenrewritten
60.215.200.x/242021-04-30 08:40:48 GMTrewrittenrewritten
60.255.139.x/242021-12-31 07:10:19 GMTrewrittenrewritten
61.53.136.x/242018-01-16 00:51:15 GMTblockedblocked
61.156.214.x/242021-05-30 03:50:55 GMTrewrittenrewritten
61.242.131.x/242022-08-30 02:45:02 GMTrewrittenrewritten
101.206.167.x/242020-01-14 15:59:15 GMTrewrittenrewritten
101.207.125.x/242022-01-07 08:05:43 GMTblockedblocked
103.3.136.x/242019-09-26 15:51:22 GMTrewrittenrewritten
103.36.209.x/242020-04-20 18:12:03 GMTblockedblocked
103.251.98.x/242022-05-22 01:03:07 GMTrewrittenrewritten
103.251.99.x/242022-03-22 01:55:08 GMTrewrittenrewritten
110.52.94.x/242022-01-11 08:52:16 GMTrewrittenrewritten
110.53.160.x/242022-07-08 08:47:29 GMTunknownunknown
110.228.15.x/242019-08-15 13:23:50 GMTrewrittenrewritten
110.244.120.x/242017-07-12 13:08:15 GMTrewrittenrewritten
110.244.132.x/242017-06-28 00:00:52 GMTrewrittenrewritten
112.80.80.x/242019-06-22 07:31:15 GMTrewrittenrewritten
112.80.81.x/242019-09-17 13:19:06 GMTrewrittenrewritten
112.80.102.x/242019-07-08 04:50:54 GMTrewrittenrewritten
112.80.103.x/242019-03-11 12:30:13 GMTrewrittenrewritten
112.80.120.x/242019-04-17 16:16:04 GMTrewrittenrewritten
112.80.121.x/242019-09-10 12:12:46 GMTrewrittenrewritten
112.80.122.x/242019-11-01 10:38:05 GMTrewrittenrewritten
112.80.123.x/242019-11-17 14:31:07 GMTrewrittenrewritten
112.80.176.x/242019-10-30 08:17:52 GMTrewrittenrewritten
112.80.180.x/242019-11-04 15:26:06 GMTrewrittenrewritten
112.80.181.x/242019-04-25 15:29:09 GMTrewrittenrewritten
112.81.59.x/242021-11-19 12:34:51 GMTblockedblocked
112.82.98.x/242020-06-05 05:13:44 GMTrewrittenrewritten
112.82.99.x/242020-04-05 13:13:44 GMTrewrittenrewritten
112.86.84.x/242021-11-10 02:14:26 GMTblockedblocked
112.111.24.x/242021-11-25 05:00:33 GMTunknownunknown
112.224.65.x/242019-12-12 11:02:58 GMTrewrittenrewritten
112.224.67.x/242020-01-13 11:51:48 GMTrewrittenrewritten
112.224.69.x/242019-12-22 13:16:00 GMTrewrittenrewritten
112.224.70.x/242019-09-12 15:10:59 GMTrewrittenrewritten
112.224.71.x/242019-09-20 06:53:41 GMTrewrittenrewritten
112.224.74.x/242019-10-12 07:05:39 GMTrewrittenrewritten
112.224.150.x/242021-04-09 12:19:40 GMTrewrittenrewritten
112.225.253.x/242020-01-17 01:18:57 GMTblockedblocked
112.225.254.x/242020-01-07 08:41:02 GMTblockedblocked
112.225.255.x/242019-12-16 01:05:42 GMTblockedblocked
112.226.99.x/242020-06-17 14:44:36 GMTblockedblocked
112.226.108.x/242019-09-23 13:09:12 GMTblockedblocked
112.226.111.x/242019-10-07 15:21:45 GMTblockedblocked
112.238.22.x/242021-04-11 04:15:07 GMTrewrittenrewritten
112.249.119.x/242021-02-26 13:51:23 GMTrewrittenrewritten
112.255.80.x/242019-12-24 04:42:49 GMTblockedblocked
112.255.235.x/242019-08-11 02:07:49 GMTblockedblocked
113.5.29.x/242020-07-10 10:12:20 GMTrewrittenrewritten
113.57.148.x/242018-10-14 15:58:10 GMTblockedblocked
113.57.182.x/242022-01-28 02:01:59 GMTrewrittenrewritten
113.225.225.x/242020-06-14 13:24:52 GMTrewrittenrewritten
113.225.229.x/242020-05-19 23:32:24 GMTrewrittenrewritten
113.225.235.x/242020-03-05 01:37:06 GMTrewrittenrewritten
113.225.236.x/242020-02-08 00:09:19 GMTrewrittenrewritten
113.225.237.x/242020-06-02 23:53:18 GMTrewrittenrewritten
113.225.242.x/242020-05-16 04:48:23 GMTrewrittenrewritten
113.225.243.x/242020-05-12 00:03:32 GMTrewrittenrewritten
113.225.248.x/242020-05-29 00:49:20 GMTrewrittenrewritten
113.225.249.x/242020-01-29 04:56:00 GMTrewrittenrewritten
113.225.252.x/242020-05-23 00:54:59 GMTrewrittenrewritten
113.225.253.x/242020-05-25 01:35:27 GMTrewrittenrewritten
113.225.255.x/242020-05-04 01:43:24 GMTrewrittenrewritten
113.228.118.x/242021-02-13 02:39:19 GMTrewrittenrewritten
113.230.204.x/242017-10-07 12:36:51 GMTrewrittenrewritten
113.238.65.x/242020-10-10 03:37:17 GMTrewrittenrewritten
113.238.183.x/242017-10-05 07:30:27 GMTrewrittenrewritten
115.63.16.x/242016-06-04 10:28:20 GMTrewrittenrewritten
115.85.252.x/242022-03-15 08:12:01 GMTunknownunknown
116.162.1.x/242021-04-30 14:41:16 GMTunknownrewritten
116.162.2.x/242022-01-30 13:24:10 GMTblockedblocked
117.10.65.x/242021-05-17 09:07:09 GMTrewrittenrewritten
119.36.160.x/242022-08-11 10:31:00 GMTunknownunknown
119.39.248.x/242022-01-29 13:10:26 GMTrewrittenrewritten
119.62.204.x/242019-02-12 16:17:28 GMTrewrittenrewritten
119.117.213.x/242020-05-20 14:05:40 GMTrewrittenrewritten
119.166.253.x/242020-01-05 12:53:34 GMTblockedblocked
119.180.11.x/242021-03-21 04:01:11 GMTrewrittenrewritten
121.31.246.x/242022-06-14 02:03:43 GMTrewrittenrewritten
121.31.247.x/242022-06-17 07:07:16 GMTrewrittenrewritten
122.96.32.x/242021-10-27 12:18:02 GMTblockedblocked
122.96.40.x/242020-10-23 11:57:47 GMTrewrittenrewritten
122.96.41.x/242018-10-26 18:00:48 GMTrewrittenrewritten
122.96.42.x/242020-06-22 14:57:34 GMTrewrittenrewritten
122.96.43.x/242019-10-19 01:45:09 GMTrewrittenrewritten
122.96.44.x/242021-05-06 08:10:22 GMTblockedrewritten
122.96.45.x/242021-10-02 05:10:43 GMTblockedrewritten
122.96.46.x/242020-08-29 10:44:17 GMTrewrittenrewritten
122.96.47.x/242020-08-28 06:34:29 GMTrewrittenrewritten
122.96.112.x/242019-07-30 09:13:04 GMTrewrittenrewritten
122.96.113.x/242019-02-22 21:58:07 GMTrewrittenrewritten
122.96.156.x/242019-06-29 08:42:28 GMTrewrittenrewritten
122.96.157.x/242019-05-13 11:12:51 GMTrewrittenrewritten
122.96.158.x/242019-08-06 10:19:30 GMTrewrittenrewritten
122.96.226.x/242020-05-26 04:48:19 GMTrewrittenrewritten
122.97.179.x/242021-04-05 07:07:20 GMTunknownrewritten
122.138.230.x/242017-07-05 03:44:15 GMTrewrittenrewritten
122.192.11.x/242021-05-03 15:29:18 GMTrewrittenrewritten
122.192.13.x/242021-05-06 04:36:42 GMTblockedblocked
122.192.14.x/242019-08-02 01:47:45 GMTblockedblocked
122.192.15.x/242021-10-27 11:31:29 GMTblockedblocked
122.192.42.x/242019-04-11 08:57:19 GMTrewrittenrewritten
123.14.124.x/242017-07-15 09:36:22 GMTrewrittenrewritten
123.129.217.x/242020-06-30 03:03:29 GMTblockedblocked
123.139.37.x/242019-06-22 12:27:15 GMTblockedblocked
123.139.40.x/242019-07-02 03:38:51 GMTblockedblocked
123.139.44.x/242019-06-27 13:27:03 GMTblockedblocked
123.139.75.x/242019-07-10 00:59:02 GMTblockedblocked
123.139.95.x/242019-09-24 10:17:01 GMTblockedblocked
123.155.168.x/242019-03-30 08:56:53 GMTrewrittenrewritten
123.191.83.x/242021-02-10 03:04:53 GMTrewrittenrewritten
123.235.60.x/242020-01-13 12:13:13 GMTblockedblocked
123.235.202.x/242019-10-14 16:28:02 GMTblockedblocked
124.88.47.x/242019-10-27 16:17:36 GMTrewrittenrewritten
124.88.64.x/242019-09-26 15:45:00 GMTblockedblocked
124.92.101.x/242020-06-09 23:51:27 GMTrewrittenrewritten
124.128.235.x/242016-09-19 01:59:02 GMTrewrittenrewritten
124.152.205.x/242021-05-03 07:47:24 GMTblockedblocked
124.160.213.x/242018-04-19 07:42:24 GMTrewrittenrewritten
125.44.225.x/242016-06-04 06:52:38 GMTrewrittenrewritten
125.44.226.x/242016-06-05 01:04:01 GMTrewrittenrewritten
125.44.228.x/242016-06-13 00:53:36 GMTrewrittenrewritten
153.3.46.x/242020-01-14 05:52:06 GMTrewrittenrewritten
153.3.47.x/242019-05-31 12:56:31 GMTrewrittenrewritten
153.3.55.x/242018-01-21 05:30:29 GMTrewrittenrewritten
153.3.62.x/242019-07-10 13:43:05 GMTrewrittenrewritten
153.3.68.x/242019-11-11 16:45:05 GMTrewrittenrewritten
153.3.72.x/242019-11-03 13:45:58 GMTrewrittenrewritten
153.3.77.x/242019-10-11 20:21:28 GMTrewrittenrewritten
153.3.81.x/242019-10-15 02:05:20 GMTrewrittenrewritten
153.34.223.x/242022-03-22 10:39:02 GMTrewrittenrewritten
153.37.43.x/242020-02-11 07:59:53 GMTrewrittenrewritten
171.36.40.x/242022-05-09 14:22:13 GMTrewrittenrewritten
171.36.41.x/242022-07-07 15:15:48 GMTrewrittenrewritten
171.36.49.x/242022-04-04 08:26:55 GMTrewrittenrewritten
171.36.211.x/242022-01-25 13:05:58 GMTrewrittenrewritten
171.37.28.x/242022-07-16 13:42:01 GMTrewrittenrewritten
171.37.29.x/242022-04-22 15:31:11 GMTrewrittenrewritten
171.37.43.x/242022-07-01 11:56:42 GMTblockedblocked
171.37.90.x/242022-06-16 12:46:36 GMTblockedblocked
171.37.136.x/242022-01-17 02:35:48 GMTrewrittenrewritten
171.37.137.x/242022-03-15 14:46:32 GMTrewrittenrewritten
171.37.138.x/242022-05-20 11:32:23 GMTrewrittenrewritten
171.37.143.x/242022-06-29 03:07:53 GMTrewrittenrewritten
171.121.30.x/242020-02-29 07:25:36 GMTrewrittenrewritten
171.124.10.x/242020-01-24 02:24:46 GMTrewrittenrewritten
171.124.14.x/242019-08-05 10:12:23 GMTrewrittenrewritten
171.124.47.x/242020-04-12 14:06:39 GMTrewrittenrewritten
171.124.240.x/242020-02-15 03:36:37 GMTrewrittenrewritten
171.127.106.x/242020-02-22 05:27:28 GMTrewrittenrewritten
171.127.215.x/242019-07-29 09:05:44 GMTrewrittenrewritten
171.127.240.x/242020-01-16 13:30:43 GMTrewrittenrewritten
171.127.243.x/242020-03-28 12:04:37 GMTrewrittenrewritten
175.161.130.x/242020-05-07 23:53:24 GMTrewrittenrewritten
175.161.133.x/242020-02-27 00:49:45 GMTunknownrewritten
175.161.146.x/242020-04-18 01:01:27 GMTrewrittenrewritten
175.161.148.x/242020-02-22 02:20:42 GMTunknownrewritten
175.161.155.x/242020-03-20 04:40:31 GMTrewrittenrewritten
175.165.215.x/242018-02-22 07:50:56 GMTrewrittenrewritten
175.169.131.x/242020-04-22 00:30:37 GMTrewrittenrewritten
175.169.132.x/242020-04-28 23:52:46 GMTrewrittenrewritten
175.169.133.x/242020-04-25 23:45:39 GMTrewrittenrewritten
175.169.136.x/242020-02-15 01:14:55 GMTrewrittenrewritten
175.169.148.x/242020-05-02 14:24:22 GMTrewrittenrewritten
175.169.150.x/242020-04-14 23:44:15 GMTrewrittenrewritten
175.169.156.x/242020-01-22 02:28:31 GMTrewrittenrewritten
175.171.190.x/242017-05-05 15:45:42 GMTblockedblocked
175.172.98.x/242020-02-24 13:54:35 GMTrewrittenrewritten
175.172.99.x/242020-03-13 03:33:54 GMTrewrittenrewritten
175.172.104.x/242020-03-08 02:05:30 GMTrewrittenrewritten
175.172.117.x/242020-06-18 02:02:53 GMTrewrittenrewritten
175.172.124.x/242020-04-01 04:50:18 GMTrewrittenrewritten
175.173.214.x/242018-02-17 01:49:52 GMTrewrittenrewritten
182.88.118.x/242022-06-24 09:03:16 GMTblockedblocked
182.88.143.x/242022-06-17 07:56:37 GMTblockedblocked
182.88.168.x/242022-02-21 14:57:17 GMTrewrittenrewritten
182.88.170.x/242022-01-10 01:28:34 GMTrewrittenrewritten
182.90.206.x/242022-02-07 08:41:18 GMTrewrittenrewritten
183.92.249.x/242022-03-17 06:38:15 GMTrewrittenrewritten
183.92.250.x/242022-03-02 08:28:18 GMTrewrittenrewritten
183.95.251.x/242020-01-21 17:06:08 GMTrewrittenrewritten
183.186.87.x/242020-01-31 09:17:01 GMTrewrittenrewritten
183.186.88.x/242020-03-14 09:41:12 GMTrewrittenrewritten
183.186.96.x/242020-04-03 09:24:16 GMTrewrittenrewritten
183.186.98.x/242020-02-08 02:30:00 GMTrewrittenrewritten
183.186.117.x/242020-03-07 08:35:15 GMTunknownrewritten
183.186.168.x/242020-03-21 10:58:25 GMTunknownrewritten
202.111.175.x/242017-10-20 21:21:49 GMTblockedblocked
218.8.161.x/242020-07-06 10:23:55 GMTrewrittenrewritten
218.8.167.x/242020-06-13 15:38:44 GMTrewrittenrewritten
218.8.168.x/242020-06-21 14:29:07 GMTrewrittenrewritten
218.8.171.x/242020-05-29 05:25:05 GMTrewrittenrewritten
218.8.177.x/242020-07-24 11:58:16 GMTrewrittenrewritten
218.8.187.x/242020-06-28 03:13:41 GMTrewrittenrewritten
218.25.136.x/242017-05-07 01:29:14 GMTblockedblocked
218.26.54.x/242019-10-29 08:33:36 GMTrewrittenrewritten
218.69.54.x/242021-04-19 03:56:13 GMTblockedblocked
218.98.18.x/242018-01-05 13:49:40 GMTrewrittenrewritten
218.98.33.x/242017-11-14 14:29:14 GMTrewrittenrewritten
219.155.229.x/242016-06-11 11:45:52 GMTrewrittenrewritten
220.195.66.x/242019-12-13 01:43:15 GMTrewrittenrewritten
220.195.67.x/242022-07-20 12:12:18 GMTblockedblocked
220.202.100.x/242021-11-12 22:24:09 GMTrewrittenrewritten
220.202.101.x/242022-02-04 04:32:39 GMTrewrittenrewritten
220.202.148.x/242021-08-16 03:44:43 GMTrewrittenrewritten
220.202.152.x/242022-01-29 11:33:18 GMTrewrittenrewritten
220.202.248.x/242022-02-21 13:31:46 GMTrewrittenrewritten
221.2.164.x/242021-10-26 08:02:33 GMTblockedblocked
221.14.170.x/242017-07-17 00:45:08 GMTrewrittenrewritten
221.192.178.x/242020-02-03 01:05:06 GMTrewrittenrewritten
221.202.156.x/242018-02-25 17:38:21 GMTrewrittenrewritten
221.203.84.x/242020-10-08 10:00:17 GMTrewrittenrewritten
221.212.160.x/242017-09-15 19:02:55 GMTrewrittenrewritten
222.140.130.x/242016-06-09 09:19:24 GMTblockedblocked
222.141.14.x/242021-11-25 07:55:02 GMTrewrittenrewritten
222.161.52.x/242017-02-07 05:39:00 GMTrewrittenrewritten
2408:8210:9cxx::/402021-05-17 09:07:09 GMTblockedblocked
2408:8214:27xx::/402021-05-16 03:56:46 GMTreceivedreceived
2408:8214:36xx::/402022-05-05 01:02:04 GMTunknownunknown
2408:8215:27xx::/402021-04-24 04:23:44 GMTreceivedreceived
2408:832e:64xx::/402020-05-20 14:05:40 GMTblockedblocked
2408:8352:46xx::/402021-09-18 16:04:03 GMTunknownunknown
2408:843c:4axx::/402021-11-15 12:30:55 GMTblockedblocked
2408:843c:4cxx::/402021-11-10 02:14:26 GMTblockedblocked
2408:843d:4axx::/402021-10-02 05:10:43 GMTblockedblocked
2408:843d:b8xx::/402021-04-30 15:25:58 GMTblockedblocked
2408:843e:4axx::/402021-10-27 12:18:02 GMTblockedblocked
2408:8452:c2xx::/402022-01-11 02:20:21 GMTblockedblocked
2408:8452:c4xx::/402022-01-31 08:20:08 GMTblockedblocked
2408:8452:c6xx::/402022-01-29 13:10:26 GMTblockedblocked
2408:845c:1xx::/402021-12-10 03:23:05 GMTblockedblocked
2408:845c:bxx::/402022-05-22 01:03:07 GMTblockedblocked
2408:84e4:4xx::/402020-01-13 11:51:48 GMTblockedblocked
2408:84e4:5xx::/402019-10-12 07:05:39 GMTblockedblocked
2408:84e7:8xx::/402019-10-29 08:33:36 GMTblockedblocked
2408:84ec:4xx::/402020-08-29 10:44:17 GMTblockedblocked
2408:84ec:30xx::/402020-08-30 01:14:19 GMTblockedblocked
2408:84ec:70xx::/402020-10-19 03:42:28 GMTblockedblocked
2408:84ec:80xx::/402019-10-18 15:00:07 GMTblockedblocked
2408:84f7:xx::/402020-01-14 15:59:15 GMTblockedblocked

Address Space Announcement History

The customer cone for 4837 is too large for a prefix list to be useful.

Last Modified