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 | ||
---|---|---|---|---|---|
111.223.132.x/24 | 2020-04-03 15:39:19 GMT | rewritten | rewritten | ||
111.223.138.x/24 | 2020-04-25 01:59:38 GMT | rewritten | rewritten | ||
111.223.146.x/24 | 2020-04-17 19:01:24 GMT | rewritten | rewritten | ||
111.223.161.x/24 | 2019-06-13 11:26:49 GMT | blocked | blocked | ||
111.223.163.x/24 | 2019-12-01 02:56:46 GMT | rewritten | rewritten | ||
111.223.167.x/24 | 2020-06-03 19:14:19 GMT | rewritten | rewritten | ||
111.223.170.x/24 | 2020-06-23 06:06:28 GMT | blocked | blocked | ||
111.223.185.x/24 | 2024-05-10 04:10:16 GMT | rewritten | rewritten | ||
116.206.244.x/24 | 2021-02-27 11:27:00 GMT | rewritten | rewritten | ||
116.206.245.x/24 | 2024-05-10 10:19:05 GMT | rewritten | rewritten | ||
116.206.246.x/24 | 2021-03-18 11:05:19 GMT | rewritten | rewritten | ||
116.206.247.x/24 | 2021-05-03 03:42:46 GMT | rewritten | rewritten | ||
122.255.11.x/24 | 2020-07-11 06:10:05 GMT | blocked | blocked | ||
122.255.35.x/24 | 2020-06-25 08:55:11 GMT | received | received | ||
122.255.38.x/24 | 2020-02-29 04:35:18 GMT | blocked | blocked | ||
122.255.59.x/24 | 2023-07-31 10:45:19 GMT | received | received | ||
123.231.40.x/24 | 2020-07-11 03:09:23 GMT | blocked | blocked | ||
123.231.45.x/24 | 2020-02-06 05:44:21 GMT | rewritten | rewritten | ||
123.231.84.x/24 | 2021-05-04 04:41:47 GMT | rewritten | rewritten | ||
123.231.85.x/24 | 2020-05-18 13:15:10 GMT | rewritten | rewritten | ||
123.231.86.x/24 | 2021-02-15 09:03:57 GMT | rewritten | rewritten | ||
123.231.87.x/24 | 2021-01-31 12:11:40 GMT | rewritten | rewritten | ||
123.231.95.x/24 | 2020-03-13 06:29:44 GMT | blocked | blocked | ||
123.231.104.x/24 | 2023-10-16 15:55:28 GMT | rewritten | rewritten | ||
123.231.105.x/24 | 2021-03-15 01:07:32 GMT | rewritten | rewritten | ||
123.231.106.x/24 | 2023-10-18 01:03:02 GMT | rewritten | rewritten | ||
123.231.107.x/24 | 2021-03-02 09:08:31 GMT | rewritten | rewritten | ||
123.231.108.x/24 | 2024-05-11 07:30:47 GMT | rewritten | rewritten | ||
123.231.109.x/24 | 2020-06-30 02:32:45 GMT | rewritten | rewritten | ||
123.231.110.x/24 | 2021-05-08 11:29:04 GMT | rewritten | rewritten | ||
123.231.111.x/24 | 2020-07-04 11:44:05 GMT | rewritten | rewritten | ||
123.231.120.x/24 | 2023-10-15 15:00:41 GMT | rewritten | rewritten | ||
123.231.121.x/24 | 2021-03-30 14:09:01 GMT | rewritten | rewritten | ||
123.231.122.x/24 | 2021-03-03 03:21:27 GMT | rewritten | rewritten | ||
123.231.123.x/24 | 2021-01-05 09:34:42 GMT | rewritten | rewritten | ||
123.231.124.x/24 | 2021-03-15 11:10:18 GMT | rewritten | rewritten | ||
123.231.125.x/24 | 2021-03-11 12:25:20 GMT | rewritten | rewritten | ||
123.231.126.x/24 | 2023-10-17 12:27:04 GMT | rewritten | rewritten | ||
123.231.127.x/24 | 2020-11-29 10:45:42 GMT | rewritten | rewritten | ||
175.157.0.x/24 | 2019-05-02 04:27:32 GMT | blocked | blocked | ||
175.157.1.x/24 | 2018-11-23 05:33:06 GMT | blocked | blocked | ||
175.157.2.x/24 | 2019-01-24 02:08:37 GMT | blocked | blocked | ||
175.157.6.x/24 | 2019-02-28 11:18:24 GMT | blocked | blocked | ||
175.157.12.x/24 | 2019-03-20 06:12:30 GMT | blocked | blocked | ||
175.157.13.x/24 | 2024-06-10 14:49:39 GMT | rewritten | rewritten | ||
175.157.14.x/24 | 2024-05-11 06:51:05 GMT | rewritten | rewritten | ||
175.157.15.x/24 | 2019-09-26 10:06:16 GMT | blocked | blocked | ||
175.157.18.x/24 | 2019-07-23 12:03:39 GMT | blocked | blocked | ||
175.157.19.x/24 | 2019-07-24 10:20:02 GMT | blocked | blocked | ||
175.157.20.x/24 | 2019-11-09 03:41:04 GMT | blocked | blocked | ||
175.157.22.x/24 | 2019-04-02 15:38:19 GMT | blocked | blocked | ||
175.157.25.x/24 | 2020-02-26 05:16:13 GMT | rewritten | rewritten | ||
175.157.29.x/24 | 2018-11-15 04:42:05 GMT | blocked | blocked | ||
175.157.31.x/24 | 2018-07-21 16:49:01 GMT | blocked | blocked | ||
175.157.32.x/24 | 2019-08-08 06:22:00 GMT | blocked | blocked | ||
175.157.33.x/24 | 2019-08-15 14:03:35 GMT | rewritten | rewritten | ||
175.157.35.x/24 | 2019-06-15 05:17:33 GMT | rewritten | rewritten | ||
175.157.36.x/24 | 2020-03-04 08:05:46 GMT | rewritten | rewritten | ||
175.157.40.x/24 | 2020-06-26 04:44:44 GMT | blocked | blocked | ||
175.157.41.x/24 | 2024-06-03 13:42:42 GMT | rewritten | rewritten | ||
175.157.42.x/24 | 2020-07-19 14:50:37 GMT | blocked | blocked | ||
175.157.43.x/24 | 2021-01-13 01:05:18 GMT | rewritten | rewritten | ||
175.157.44.x/24 | 2021-02-26 02:40:09 GMT | rewritten | rewritten | ||
175.157.45.x/24 | 2024-06-01 10:51:24 GMT | rewritten | rewritten | ||
175.157.46.x/24 | 2021-03-31 11:38:04 GMT | rewritten | rewritten | ||
175.157.47.x/24 | 2021-03-29 12:29:25 GMT | rewritten | rewritten | ||
175.157.49.x/24 | 2020-05-27 05:10:40 GMT | blocked | blocked | ||
175.157.50.x/24 | 2020-07-04 04:23:02 GMT | rewritten | rewritten | ||
175.157.51.x/24 | 2019-08-31 18:53:42 GMT | blocked | blocked | ||
175.157.54.x/24 | 2020-04-16 05:32:29 GMT | blocked | blocked | ||
175.157.55.x/24 | 2021-06-19 07:41:29 GMT | blocked | blocked | ||
175.157.56.x/24 | 2017-02-10 04:36:44 GMT | rewritten | rewritten | ||
175.157.57.x/24 | 2020-04-15 15:12:07 GMT | blocked | blocked | ||
175.157.58.x/24 | 2016-12-23 13:00:32 GMT | rewritten | rewritten | ||
175.157.60.x/24 | 2020-06-09 06:23:59 GMT | rewritten | rewritten | ||
175.157.61.x/24 | 2017-02-26 02:01:37 GMT | rewritten | rewritten | ||
175.157.62.x/24 | 2019-08-28 18:44:17 GMT | blocked | blocked | ||
175.157.63.x/24 | 2020-04-25 11:49:54 GMT | blocked | blocked | ||
175.157.64.x/24 | 2020-01-26 02:08:58 GMT | rewritten | rewritten | ||
175.157.69.x/24 | 2020-04-16 16:44:47 GMT | blocked | blocked | ||
175.157.72.x/24 | 2020-04-28 17:52:54 GMT | blocked | blocked | ||
175.157.75.x/24 | 2020-04-15 14:50:47 GMT | blocked | blocked | ||
175.157.81.x/24 | 2019-09-26 14:58:31 GMT | rewritten | rewritten | ||
175.157.85.x/24 | 2019-12-17 10:53:09 GMT | blocked | blocked | ||
175.157.86.x/24 | 2021-08-08 05:24:26 GMT | rewritten | rewritten | ||
175.157.106.x/24 | 2020-06-11 02:42:34 GMT | rewritten | rewritten | ||
175.157.110.x/24 | 2020-01-25 00:58:45 GMT | blocked | blocked | ||
175.157.111.x/24 | 2021-08-09 03:45:50 GMT | rewritten | rewritten | ||
175.157.113.x/24 | 2024-05-17 05:54:23 GMT | blocked | blocked | ||
175.157.116.x/24 | 2019-12-14 16:14:35 GMT | rewritten | rewritten | ||
175.157.118.x/24 | 2021-08-08 07:42:51 GMT | rewritten | rewritten | ||
175.157.122.x/24 | 2019-10-28 16:30:27 GMT | rewritten | rewritten | ||
175.157.123.x/24 | 2020-04-16 05:56:41 GMT | blocked | blocked | ||
175.157.125.x/24 | 2019-09-26 16:34:00 GMT | rewritten | rewritten | ||
175.157.129.x/24 | 2018-11-05 11:13:41 GMT | blocked | blocked | ||
175.157.136.x/24 | 2018-03-20 03:42:05 GMT | rewritten | rewritten | ||
175.157.139.x/24 | 2024-05-25 09:44:28 GMT | rewritten | rewritten | ||
175.157.140.x/24 | 2019-07-10 10:48:59 GMT | blocked | blocked | ||
175.157.142.x/24 | 2024-05-18 08:37:35 GMT | rewritten | rewritten | ||
175.157.143.x/24 | 2019-06-12 23:19:43 GMT | blocked | blocked | ||
175.157.146.x/24 | 2018-06-03 10:52:24 GMT | blocked | blocked | ||
175.157.152.x/24 | 2019-04-12 02:24:17 GMT | blocked | blocked | ||
175.157.153.x/24 | 2018-10-27 05:37:17 GMT | blocked | blocked | ||
175.157.154.x/24 | 2018-10-30 17:27:45 GMT | blocked | blocked | ||
175.157.157.x/24 | 2017-01-08 01:54:33 GMT | rewritten | rewritten | ||
175.157.158.x/24 | 2018-10-30 02:01:26 GMT | blocked | blocked | ||
175.157.159.x/24 | 2019-04-17 10:25:10 GMT | blocked | blocked | ||
175.157.163.x/24 | 2019-05-28 09:15:35 GMT | rewritten | rewritten | ||
175.157.164.x/24 | 2018-06-11 05:48:27 GMT | rewritten | rewritten | ||
175.157.165.x/24 | 2019-09-05 12:37:34 GMT | blocked | blocked | ||
175.157.168.x/24 | 2018-10-26 07:52:14 GMT | blocked | blocked | ||
175.157.169.x/24 | 2019-09-18 11:58:27 GMT | blocked | blocked | ||
175.157.173.x/24 | 2018-12-05 00:58:49 GMT | rewritten | rewritten | ||
175.157.175.x/24 | 2018-03-28 03:26:38 GMT | blocked | blocked | ||
175.157.179.x/24 | 2019-07-26 03:40:49 GMT | blocked | blocked | ||
175.157.180.x/24 | 2018-12-10 05:37:05 GMT | blocked | blocked | ||
175.157.181.x/24 | 2018-10-27 05:04:22 GMT | blocked | blocked | ||
175.157.183.x/24 | 2017-04-01 11:50:53 GMT | rewritten | rewritten | ||
175.157.184.x/24 | 2017-04-17 14:27:11 GMT | rewritten | rewritten | ||
175.157.185.x/24 | 2018-08-29 07:21:52 GMT | blocked | blocked | ||
175.157.186.x/24 | 2019-07-29 11:24:41 GMT | blocked | blocked | ||
175.157.189.x/24 | 2017-04-20 09:43:00 GMT | blocked | blocked | ||
175.157.190.x/24 | 2017-04-25 15:47:48 GMT | rewritten | rewritten | ||
175.157.198.x/24 | 2020-04-26 13:11:37 GMT | blocked | blocked | ||
175.157.200.x/24 | 2020-06-30 15:12:59 GMT | rewritten | rewritten | ||
175.157.212.x/24 | 2019-08-28 06:03:49 GMT | blocked | blocked | ||
175.157.216.x/24 | 2019-09-29 07:08:53 GMT | rewritten | rewritten | ||
175.157.217.x/24 | 2019-08-27 01:07:06 GMT | blocked | blocked | ||
175.157.228.x/24 | 2016-10-03 17:18:13 GMT | rewritten | rewritten | ||
175.157.230.x/24 | 2021-08-09 02:28:14 GMT | rewritten | rewritten | ||
175.157.233.x/24 | 2019-12-10 00:52:18 GMT | blocked | blocked | ||
175.157.234.x/24 | 2021-08-08 05:12:49 GMT | rewritten | rewritten | ||
175.157.239.x/24 | 2020-04-27 22:46:23 GMT | blocked | blocked | ||
175.157.243.x/24 | 2020-04-16 11:41:26 GMT | unknown | blocked | ||
175.157.250.x/24 | 2020-04-29 05:43:22 GMT | blocked | blocked | ||
175.157.251.x/24 | 2020-04-25 15:48:24 GMT | blocked | blocked | ||
175.157.253.x/24 | 2016-12-12 14:29:10 GMT | rewritten | rewritten | ||
182.161.17.x/24 | 2020-05-27 18:07:18 GMT | rewritten | rewritten | ||
202.124.178.x/24 | 2020-03-17 05:47:09 GMT | blocked | blocked | ||
202.124.181.x/24 | 2019-08-07 04:32:22 GMT | blocked | blocked | ||
2402:4000:10xx::/40 | 2021-08-09 02:11:11 GMT | blocked | blocked | ||
2402:4000:11xx::/40 | 2021-08-09 02:00:10 GMT | blocked | blocked | ||
2402:4000:12xx::/40 | 2024-05-17 05:54:23 GMT | blocked | blocked | ||
2402:4000:13xx::/40 | 2024-04-09 18:35:47 GMT | blocked | blocked | ||
2402:4000:20xx::/40 | 2023-10-17 12:27:04 GMT | blocked | blocked | ||
2402:4000:21xx::/40 | 2024-05-11 07:30:47 GMT | blocked | blocked | ||
2402:4000:22xx::/40 | 2021-05-04 04:41:47 GMT | blocked | blocked | ||
2402:4000:23xx::/40 | 2024-05-11 06:51:05 GMT | blocked | blocked | ||
2402:4000:bbxx::/40 | 2017-06-10 15:27:05 GMT | blocked | blocked |
This is the list of directly connected customers of AS 18001 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) | usa (United States) | 104725 | 11290 | AS 13335 tests | blocked |
---|
The customer cone for 18001 is too large for a prefix list to be useful.