Spoof status key | ||||
---|---|---|---|---|
received | Spoofed packet was received. | ✔ | Pattern of tests from this IP block indicates a switch from allowing spoofing to blocking it. | |
rewritten | Spoofed packet was received, but the source address was changed en route. | |||
blocked | Spoofed packet was not received, but unspoofed packet was. | |||
unknown | Neither spoofed nor unspoofed packet was received. |
IP block | Latest test | Spoof Private | Spoof Routable | ||
---|---|---|---|---|---|
5.137.102.x/24 | 2023-02-22 02:52:06 GMT | blocked | blocked | ||
5.138.7.x/24 | 2022-01-19 16:46:25 GMT | blocked | blocked | ||
5.138.18.x/24 | 2021-09-25 18:58:30 GMT | blocked | blocked | ||
5.138.36.x/24 | 2022-05-26 18:00:57 GMT | blocked | blocked | ||
5.138.43.x/24 | 2022-05-08 13:10:29 GMT | blocked | blocked | ||
5.138.51.x/24 | 2021-11-26 13:45:54 GMT | blocked | blocked | ||
5.138.71.x/24 | 2021-11-19 12:39:42 GMT | blocked | blocked | ||
5.138.78.x/24 | 2021-03-10 13:18:32 GMT | blocked | blocked | ||
5.138.81.x/24 | 2022-01-12 15:40:16 GMT | blocked | blocked | ||
5.138.85.x/24 | 2022-02-06 13:46:21 GMT | blocked | blocked | ||
5.138.114.x/24 | 2021-11-03 17:40:29 GMT | blocked | blocked | ||
5.140.133.x/24 | 2021-05-29 18:09:58 GMT | rewritten | rewritten | ||
31.28.195.x/24 | 2017-05-28 05:16:06 GMT | rewritten | rewritten | ||
31.28.200.x/24 | 2017-08-04 17:59:38 GMT | rewritten | rewritten | ||
31.28.204.x/24 | 2017-08-09 18:05:39 GMT | rewritten | rewritten | ||
31.28.214.x/24 | 2017-05-03 04:59:54 GMT | rewritten | rewritten | ||
31.180.146.x/24 | 2020-09-14 18:32:59 GMT | rewritten | rewritten | ||
31.180.148.x/24 | 2020-08-09 14:46:12 GMT | rewritten | rewritten | ||
31.180.193.x/24 | 2021-07-17 14:23:43 GMT | blocked | blocked | ||
37.20.157.x/24 | 2021-11-17 17:30:24 GMT | rewritten | blocked | ||
37.21.17.x/24 | 2020-08-05 03:06:32 GMT | blocked | blocked | ||
37.21.24.x/24 | 2020-11-04 03:00:02 GMT | blocked | blocked | ||
37.21.43.x/24 | 2020-08-15 07:15:18 GMT | blocked | blocked | ||
37.23.97.x/24 | 2021-04-11 11:30:14 GMT | blocked | blocked | ||
37.78.23.x/24 | 2021-03-27 14:11:52 GMT | rewritten | rewritten | ||
37.78.189.x/24 | 2021-03-03 15:32:29 GMT | rewritten | rewritten | ||
46.45.198.x/24 | 2021-06-30 15:56:28 GMT | blocked | blocked | ||
46.45.235.x/24 | 2019-06-23 12:41:44 GMT | blocked | blocked | ||
46.63.179.x/24 | 2021-03-10 20:51:08 GMT | blocked | blocked | ||
46.63.243.x/24 | 2021-07-24 16:25:21 GMT | blocked | blocked | ||
46.63.247.x/24 | 2021-09-11 16:45:53 GMT | blocked | blocked | ||
46.159.167.x/24 | 2019-06-29 06:12:39 GMT | rewritten | rewritten | ||
46.159.169.x/24 | 2020-08-12 22:07:00 GMT | blocked | blocked | ||
46.159.227.x/24 | 2020-08-13 07:45:35 GMT | blocked | blocked | ||
77.35.63.x/24 | 2021-09-30 08:45:30 GMT | blocked | blocked | ||
77.45.134.x/24 | 2017-11-02 14:27:45 GMT | rewritten | rewritten | ||
77.45.160.x/24 | 2017-10-19 12:11:24 GMT | rewritten | rewritten | ||
77.45.177.x/24 | 2017-11-23 17:47:39 GMT | rewritten | rewritten | ||
77.45.178.x/24 | 2017-12-15 21:55:49 GMT | rewritten | rewritten | ||
77.45.217.x/24 | 2017-11-09 15:34:23 GMT | rewritten | rewritten | ||
77.45.226.x/24 | 2017-12-30 00:11:09 GMT | rewritten | rewritten | ||
77.45.232.x/24 | 2017-11-16 16:41:00 GMT | rewritten | rewritten | ||
77.45.233.x/24 | 2017-10-26 13:21:02 GMT | rewritten | rewritten | ||
77.45.238.x/24 | 2017-12-22 23:02:21 GMT | rewritten | rewritten | ||
77.82.170.x/24 | 2022-01-28 23:20:40 GMT | rewritten | rewritten | ||
78.29.96.x/24 | 2016-10-25 19:54:23 GMT | blocked | blocked | ||
78.37.16.x/24 | 2018-10-05 22:05:25 GMT | rewritten | rewritten | ||
78.37.17.x/24 | 2018-10-13 18:46:18 GMT | rewritten | rewritten | ||
78.37.150.x/24 | 2018-09-26 21:44:02 GMT | rewritten | rewritten | ||
78.37.233.x/24 | 2020-03-23 14:13:19 GMT | rewritten | blocked | ||
79.105.79.x/24 | 2021-05-06 13:04:52 GMT | blocked | blocked | ||
79.105.137.x/24 | 2021-05-13 14:11:17 GMT | blocked | blocked | ||
79.105.152.x/24 | 2021-05-20 15:17:41 GMT | blocked | blocked | ||
84.53.198.x/24 | 2017-08-17 18:06:33 GMT | rewritten | rewritten | ||
85.93.49.x/24 | 2019-08-14 08:37:56 GMT | rewritten | rewritten | ||
85.93.58.x/24 | 2019-05-02 14:34:14 GMT | rewritten | rewritten | ||
85.93.59.x/24 | 2019-08-12 18:44:11 GMT | rewritten | rewritten | ||
85.93.60.x/24 | 2019-08-19 09:39:53 GMT | rewritten | rewritten | ||
85.173.64.x/24 | 2020-07-26 01:24:25 GMT | rewritten | rewritten | ||
85.173.79.x/24 | 2020-09-30 21:41:30 GMT | rewritten | rewritten | ||
85.173.203.x/24 | 2020-10-08 12:44:31 GMT | rewritten | rewritten | ||
85.174.115.x/24 | 2020-09-21 19:39:32 GMT | rewritten | rewritten | ||
85.174.198.x/24 | 2024-03-30 13:10:28 GMT | rewritten | received | ||
85.174.202.x/24 | 2021-03-11 17:50:54 GMT | rewritten | rewritten | ||
87.117.185.x/24 | 2018-09-24 09:34:42 GMT | blocked | blocked | ||
87.117.189.x/24 | 2018-09-16 17:09:49 GMT | blocked | blocked | ||
89.109.45.x/24 | 2022-03-25 15:51:49 GMT | blocked | blocked | ||
89.110.5.x/24 | 2021-12-14 07:32:36 GMT | blocked | blocked | ||
89.239.139.x/24 | 2022-07-22 02:51:16 GMT | rewritten | ✔ | blocked | |
89.254.198.x/24 | 2018-10-05 17:22:27 GMT | rewritten | rewritten | ||
89.254.201.x/24 | 2018-09-08 15:50:02 GMT | rewritten | rewritten | ||
89.254.208.x/24 | 2018-07-06 18:57:11 GMT | rewritten | rewritten | ||
89.254.210.x/24 | 2018-08-07 23:44:50 GMT | rewritten | rewritten | ||
89.254.214.x/24 | 2018-05-09 20:47:52 GMT | rewritten | rewritten | ||
89.254.215.x/24 | 2018-07-24 21:32:14 GMT | rewritten | rewritten | ||
89.254.225.x/24 | 2019-08-04 10:24:08 GMT | rewritten | rewritten | ||
89.254.231.x/24 | 2018-12-28 16:53:37 GMT | rewritten | rewritten | ||
89.254.235.x/24 | 2019-04-07 12:45:41 GMT | rewritten | rewritten | ||
89.254.243.x/24 | 2019-01-13 07:13:01 GMT | rewritten | rewritten | ||
89.254.252.x/24 | 2018-08-24 12:34:55 GMT | rewritten | rewritten | ||
89.254.255.x/24 | 2019-04-09 16:44:18 GMT | rewritten | rewritten | ||
90.151.82.x/24 | 2021-06-04 16:32:51 GMT | rewritten | rewritten | ||
91.122.32.x/24 | 2020-04-23 19:59:16 GMT | rewritten | blocked | ||
91.122.40.x/24 | 2021-06-07 22:50:21 GMT | rewritten | rewritten | ||
91.122.46.x/24 | 2021-06-16 23:39:35 GMT | rewritten | rewritten | ||
91.122.108.x/24 | 2019-06-02 18:58:58 GMT | rewritten | blocked | ||
91.122.114.x/24 | 2020-07-14 18:48:27 GMT | rewritten | blocked | ||
91.122.131.x/24 | 2019-11-06 10:39:03 GMT | rewritten | blocked | ||
91.122.136.x/24 | 2020-04-02 13:31:44 GMT | rewritten | blocked | ||
91.122.150.x/24 | 2020-11-18 20:56:37 GMT | rewritten | rewritten | ||
91.122.189.x/24 | 2019-05-26 17:52:39 GMT | rewritten | blocked | ||
92.100.73.x/24 | 2019-12-04 15:04:07 GMT | rewritten | blocked | ||
92.100.108.x/24 | 2020-02-09 12:57:15 GMT | rewritten | blocked | ||
92.100.110.x/24 | 2020-05-11 14:07:51 GMT | rewritten | blocked | ||
92.100.149.x/24 | 2020-04-16 16:36:39 GMT | rewritten | blocked | ||
92.100.200.x/24 | 2021-04-04 12:28:07 GMT | blocked | blocked | ||
92.100.221.x/24 | 2019-07-05 16:49:26 GMT | rewritten | blocked | ||
92.100.222.x/24 | 2019-07-24 08:50:14 GMT | rewritten | blocked | ||
92.100.249.x/24 | 2018-09-19 20:37:42 GMT | rewritten | rewritten | ||
92.127.0.x/24 | 2019-05-22 11:34:14 GMT | blocked | blocked | ||
92.127.42.x/24 | 2019-06-21 13:12:41 GMT | blocked | blocked | ||
93.120.240.x/24 | 2017-12-31 00:26:29 GMT | rewritten | rewritten | ||
93.124.2.x/24 | 2016-06-16 17:36:57 GMT | rewritten | rewritten | ||
93.124.71.x/24 | 2016-06-16 07:15:08 GMT | blocked | blocked | ||
93.124.118.x/24 | 2016-06-26 15:18:47 GMT | blocked | blocked | ||
93.185.22.x/24 | 2017-02-17 12:33:38 GMT | blocked | blocked | ||
93.185.28.x/24 | 2017-11-24 11:53:00 GMT | rewritten | rewritten | ||
94.28.244.x/24 | 2021-02-06 13:43:55 GMT | rewritten | rewritten | ||
94.233.5.x/24 | 2020-07-26 01:10:26 GMT | rewritten | rewritten | ||
94.233.240.x/24 | 2022-04-04 15:53:08 GMT | blocked | blocked | ||
94.233.241.x/24 | 2022-03-26 20:27:45 GMT | blocked | blocked | ||
94.241.225.x/24 | 2019-07-08 16:48:22 GMT | rewritten | rewritten | ||
94.241.227.x/24 | 2018-10-20 08:37:31 GMT | rewritten | rewritten | ||
94.255.71.x/24 | 2022-01-30 12:14:31 GMT | blocked | blocked | ||
95.32.16.x/24 | 2017-05-01 11:15:39 GMT | rewritten | rewritten | ||
95.32.52.x/24 | 2017-09-21 07:44:43 GMT | rewritten | rewritten | ||
95.32.53.x/24 | 2017-10-12 11:04:43 GMT | rewritten | rewritten | ||
95.32.55.x/24 | 2017-09-28 08:51:24 GMT | rewritten | rewritten | ||
95.32.62.x/24 | 2017-09-07 05:31:18 GMT | rewritten | rewritten | ||
95.32.74.x/24 | 2017-05-10 16:24:04 GMT | rewritten | rewritten | ||
95.32.159.x/24 | 2017-08-31 04:24:38 GMT | rewritten | rewritten | ||
95.32.206.x/24 | 2017-07-30 08:02:13 GMT | rewritten | rewritten | ||
95.32.209.x/24 | 2017-11-26 22:26:07 GMT | rewritten | rewritten | ||
95.32.213.x/24 | 2017-05-28 15:43:43 GMT | rewritten | rewritten | ||
95.32.219.x/24 | 2017-05-10 13:49:40 GMT | rewritten | rewritten | ||
95.32.230.x/24 | 2017-10-05 09:58:03 GMT | rewritten | rewritten | ||
95.32.231.x/24 | 2017-09-14 06:37:53 GMT | rewritten | rewritten | ||
95.32.233.x/24 | 2017-12-04 04:22:26 GMT | rewritten | rewritten | ||
95.32.252.x/24 | 2017-12-11 07:56:22 GMT | rewritten | rewritten | ||
95.53.230.x/24 | 2021-03-25 17:13:31 GMT | rewritten | rewritten | ||
95.55.32.x/24 | 2019-12-11 18:17:13 GMT | rewritten | blocked | ||
95.55.40.x/24 | 2020-02-24 08:10:07 GMT | rewritten | blocked | ||
95.55.45.x/24 | 2020-01-18 15:58:13 GMT | rewritten | blocked | ||
95.55.53.x/24 | 2020-05-25 16:21:06 GMT | rewritten | blocked | ||
95.55.59.x/24 | 2020-01-11 14:51:44 GMT | rewritten | blocked | ||
95.55.169.x/24 | 2019-07-12 17:55:48 GMT | rewritten | blocked | ||
95.55.187.x/24 | 2019-11-27 13:57:52 GMT | rewritten | blocked | ||
95.71.56.x/24 | 2021-02-28 15:04:59 GMT | rewritten | rewritten | ||
95.71.182.x/24 | 2020-01-14 15:36:20 GMT | blocked | blocked | ||
95.72.77.x/24 | 2020-02-12 05:08:29 GMT | rewritten | rewritten | ||
95.152.37.x/24 | 2016-06-24 13:43:33 GMT | blocked | blocked | ||
95.189.74.x/24 | 2020-11-09 00:51:13 GMT | blocked | blocked | ||
95.189.77.x/24 | 2021-05-15 13:50:11 GMT | blocked | blocked | ||
109.126.195.x/24 | 2017-07-21 05:12:20 GMT | rewritten | rewritten | ||
109.126.197.x/24 | 2017-07-28 16:53:19 GMT | rewritten | rewritten | ||
109.126.203.x/24 | 2017-04-25 16:41:29 GMT | unknown | rewritten | ||
109.126.205.x/24 | 2017-06-04 16:37:42 GMT | rewritten | rewritten | ||
109.126.229.x/24 | 2017-07-10 07:00:41 GMT | rewritten | rewritten | ||
109.126.243.x/24 | 2017-04-08 18:20:42 GMT | unknown | rewritten | ||
109.168.158.x/24 | 2021-04-01 14:31:32 GMT | blocked | blocked | ||
109.168.186.x/24 | 2021-06-16 16:53:27 GMT | blocked | blocked | ||
109.168.197.x/24 | 2021-09-08 20:28:36 GMT | blocked | blocked | ||
109.168.208.x/24 | 2021-08-30 23:18:18 GMT | blocked | blocked | ||
109.168.233.x/24 | 2021-04-13 17:23:32 GMT | blocked | blocked | ||
176.49.77.x/24 | 2021-02-21 18:50:36 GMT | blocked | blocked | ||
178.34.9.x/24 | 2021-03-19 11:15:11 GMT | rewritten | rewritten | ||
178.34.150.x/24 | 2022-03-11 10:19:35 GMT | blocked | blocked | ||
178.34.151.x/24 | 2022-03-01 08:28:48 GMT | blocked | blocked | ||
178.34.160.x/24 | 2022-02-22 06:18:11 GMT | blocked | blocked | ||
178.34.161.x/24 | 2021-12-06 18:29:51 GMT | blocked | blocked | ||
178.34.162.x/24 | 2022-01-04 20:16:53 GMT | blocked | blocked | ||
178.34.163.x/24 | 2022-03-02 09:32:47 GMT | blocked | blocked | ||
178.35.161.x/24 | 2020-10-16 18:44:32 GMT | rewritten | rewritten | ||
178.35.172.x/24 | 2020-08-02 02:31:20 GMT | rewritten | rewritten | ||
178.44.0.x/24 | 2019-03-23 10:49:44 GMT | rewritten | rewritten | ||
178.44.1.x/24 | 2019-05-18 16:18:59 GMT | rewritten | rewritten | ||
178.44.9.x/24 | 2019-08-20 10:16:00 GMT | rewritten | rewritten | ||
178.44.18.x/24 | 2019-05-18 15:04:43 GMT | rewritten | rewritten | ||
178.44.33.x/24 | 2018-11-14 15:38:08 GMT | rewritten | rewritten | ||
178.44.78.x/24 | 2019-02-21 18:49:33 GMT | rewritten | rewritten | ||
178.44.102.x/24 | 2019-07-21 12:34:13 GMT | rewritten | rewritten | ||
178.45.211.x/24 | 2016-10-26 13:21:22 GMT | blocked | blocked | ||
178.47.85.x/24 | 2020-12-10 14:32:55 GMT | rewritten | rewritten | ||
178.66.108.x/24 | 2021-08-12 16:19:24 GMT | blocked | blocked | ||
178.66.130.x/24 | 2021-06-07 11:12:39 GMT | blocked | blocked | ||
178.66.156.x/24 | 2024-04-14 14:02:26 GMT | blocked | blocked | ||
178.66.157.x/24 | 2022-01-20 23:26:07 GMT | blocked | blocked | ||
178.66.158.x/24 | 2022-01-30 17:15:06 GMT | blocked | blocked | ||
178.66.159.x/24 | 2022-03-25 13:53:01 GMT | blocked | blocked | ||
178.67.9.x/24 | 2022-12-19 17:20:49 GMT | rewritten | blocked | ||
178.67.242.x/24 | 2019-12-18 19:23:29 GMT | rewritten | blocked | ||
178.70.53.x/24 | 2020-04-01 13:10:12 GMT | rewritten | blocked | ||
178.71.0.x/24 | 2020-01-26 04:55:41 GMT | rewritten | blocked | ||
178.71.10.x/24 | 2019-12-26 21:19:49 GMT | rewritten | blocked | ||
178.71.87.x/24 | 2021-09-19 11:41:01 GMT | unknown | rewritten | ||
178.71.184.x/24 | 2019-06-11 04:12:13 GMT | rewritten | blocked | ||
178.71.245.x/24 | 2019-09-11 05:53:12 GMT | rewritten | blocked | ||
178.166.228.x/24 | 2021-04-09 06:49:44 GMT | blocked | blocked | ||
178.184.109.x/24 | 2021-05-19 10:49:50 GMT | rewritten | blocked | ||
188.18.224.x/24 | 2022-05-23 08:28:37 GMT | rewritten | received | ||
188.18.230.x/24 | 2017-09-20 12:51:00 GMT | rewritten | rewritten | ||
213.24.127.x/24 | 2016-10-08 15:27:59 GMT | blocked | blocked | ||
213.24.133.x/24 | 2018-03-21 14:26:05 GMT | blocked | blocked | ||
213.59.242.x/24 | 2019-08-24 15:56:21 GMT | blocked | blocked | ||
213.108.7.x/24 | 2019-10-12 13:25:30 GMT | blocked | blocked | ||
213.167.201.x/24 | 2017-06-29 19:21:05 GMT | rewritten | rewritten | ||
213.167.206.x/24 | 2017-06-22 18:13:53 GMT | rewritten | rewritten | ||
213.167.212.x/24 | 2017-06-15 17:02:11 GMT | rewritten | rewritten | ||
2a01:540:43xx::/40 | 2022-05-23 08:28:37 GMT | received | received | ||
2a01:540:65xx::/40 | 2021-05-29 18:09:58 GMT | blocked | blocked | ||
2a01:540:6fxx::/40 | 2021-06-04 16:32:51 GMT | blocked | blocked | ||
2a01:620:xx::/40 | 2019-10-12 13:25:30 GMT | received | received |
This is the list of directly connected customers of AS 12389 from which we have received a spoofer test, ordered by the customer's ability to send spoofed packets and the number of prefixes of an inferred ingress ACL derived from prefix announcements for the customer recorded in the latest month of public BGP data. BCP-84 describes ingress ACLs as "the most bulletproof solution when done properly" and the "best fit ... when the configuration is not too dynamic, ... if the number of used prefixes is low." Further detail about the size and dynamism of an inferred ACL is available by following the History link for each AS.
ASN | Country | Number of Prefixes in Customer Cone | Number of ASes in Customer Cone | Recent tests | Spoof Routable | 13335 (CLOUDFLARENET) | phl (Philippines) | 72378 | 6840 | AS 13335 tests | received | 45102 (CNNIC-ALIBABA-US-NET-AP) | usa (United States) | 432 | 9 | AS 45102 tests | blocked | 8359 (MTS) | rus (Russian Federation) | 23266 | 3082 | AS 8359 tests | blocked | 21859 (ZEN-ECN) | usa (United States) | 29269 | 2570 | AS 21859 tests | blocked | 138915 (KAOPU-HK) | usa (United States) | 31591 | 1359 | AS 138915 tests | blocked |
---|
The customer cone for 12389 is too large for a prefix list to be useful.