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 | ||
---|---|---|---|---|---|
102.182.46.x/24 | 2024-04-24 16:00:19 GMT | rewritten | rewritten | ||
102.182.50.x/24 | 2024-04-02 07:31:42 GMT | rewritten | rewritten | ||
102.182.51.x/24 | 2021-10-10 19:48:47 GMT | rewritten | rewritten | ||
102.182.53.x/24 | 2022-04-12 15:20:16 GMT | rewritten | rewritten | ||
102.182.54.x/24 | 2021-10-17 10:13:56 GMT | rewritten | rewritten | ||
102.182.55.x/24 | 2023-09-27 05:02:28 GMT | rewritten | rewritten | ||
102.182.56.x/24 | 2022-06-24 07:12:30 GMT | rewritten | rewritten | ||
102.182.59.x/24 | 2023-07-20 08:32:37 GMT | rewritten | rewritten | ||
102.182.60.x/24 | 2022-04-03 14:37:14 GMT | rewritten | rewritten | ||
102.182.61.x/24 | 2022-06-21 05:37:17 GMT | rewritten | rewritten | ||
102.182.62.x/24 | 2024-04-25 13:59:33 GMT | rewritten | rewritten | ||
102.182.63.x/24 | 2021-08-02 21:44:08 GMT | rewritten | rewritten | ||
102.182.88.x/24 | 2020-11-27 07:47:05 GMT | rewritten | rewritten | ||
102.182.225.x/24 | 2021-12-08 06:45:25 GMT | rewritten | rewritten | ||
102.182.252.x/24 | 2022-01-31 19:21:31 GMT | rewritten | rewritten | ||
156.155.59.x/24 | 2022-09-19 19:29:13 GMT | rewritten | rewritten | ||
165.73.29.x/24 | 2022-05-01 22:02:41 GMT | rewritten | rewritten | ||
165.73.45.x/24 | 2018-10-09 18:58:15 GMT | rewritten | rewritten | ||
165.73.55.x/24 | 2024-04-06 12:44:12 GMT | blocked | blocked | ||
165.255.54.x/24 | 2022-10-03 22:52:51 GMT | rewritten | rewritten | ||
165.255.62.x/24 | 2017-04-12 06:55:06 GMT | blocked | blocked | ||
165.255.68.x/24 | 2017-02-06 08:49:29 GMT | blocked | blocked | ||
165.255.76.x/24 | 2017-03-04 04:11:17 GMT | blocked | blocked | ||
165.255.89.x/24 | 2016-12-06 08:54:56 GMT | rewritten | rewritten | ||
165.255.90.x/24 | 2016-12-12 10:24:33 GMT | blocked | blocked | ||
165.255.125.x/24 | 2017-05-15 19:44:23 GMT | rewritten | rewritten | ||
165.255.126.x/24 | 2017-03-13 05:47:19 GMT | blocked | blocked | ||
165.255.127.x/24 | 2017-04-03 17:12:24 GMT | blocked | blocked | ||
165.255.128.x/24 | 2017-04-18 05:46:09 GMT | blocked | blocked | ||
165.255.129.x/24 | 2017-05-08 18:37:34 GMT | blocked | blocked | ||
165.255.174.x/24 | 2016-12-07 19:43:46 GMT | rewritten | rewritten | ||
165.255.189.x/24 | 2017-04-17 15:21:15 GMT | blocked | blocked | ||
165.255.190.x/24 | 2016-12-07 05:33:41 GMT | rewritten | rewritten | ||
165.255.200.x/24 | 2017-04-22 18:05:44 GMT | blocked | blocked | ||
165.255.203.x/24 | 2016-10-12 15:48:17 GMT | rewritten | rewritten | ||
165.255.209.x/24 | 2017-04-17 10:24:46 GMT | blocked | blocked | ||
165.255.211.x/24 | 2016-11-28 08:23:01 GMT | blocked | blocked | ||
165.255.218.x/24 | 2017-05-18 07:14:53 GMT | blocked | blocked | ||
165.255.229.x/24 | 2016-12-29 06:12:52 GMT | blocked | blocked | ||
165.255.232.x/24 | 2017-04-09 06:25:07 GMT | blocked | blocked | ||
165.255.242.x/24 | 2017-11-06 16:21:46 GMT | rewritten | rewritten | ||
165.255.248.x/24 | 2016-12-21 05:09:45 GMT | blocked | blocked | ||
169.0.16.x/24 | 2018-01-06 16:45:13 GMT | rewritten | rewritten | ||
169.0.54.x/24 | 2023-08-26 14:54:20 GMT | rewritten | rewritten | ||
169.0.56.x/24 | 2024-01-07 07:19:44 GMT | blocked | blocked | ||
169.0.57.x/24 | 2023-05-11 12:29:38 GMT | rewritten | rewritten | ||
169.0.65.x/24 | 2020-03-01 06:32:35 GMT | blocked | blocked | ||
169.0.76.x/24 | 2023-10-02 08:26:55 GMT | rewritten | rewritten | ||
169.0.79.x/24 | 2017-08-18 19:27:42 GMT | rewritten | rewritten | ||
169.0.83.x/24 | 2016-10-14 07:14:36 GMT | rewritten | rewritten | ||
169.0.95.x/24 | 2019-12-20 19:27:03 GMT | received | received | ||
169.0.100.x/24 | 2021-10-09 13:04:35 GMT | rewritten | rewritten | ||
169.0.109.x/24 | 2022-09-20 07:22:02 GMT | rewritten | rewritten | ||
169.0.112.x/24 | 2022-09-28 15:51:16 GMT | rewritten | rewritten | ||
169.0.113.x/24 | 2022-09-20 10:27:19 GMT | rewritten | rewritten | ||
169.0.114.x/24 | 2022-10-25 14:30:25 GMT | rewritten | rewritten | ||
169.0.117.x/24 | 2023-07-29 13:40:11 GMT | rewritten | rewritten | ||
169.0.118.x/24 | 2022-10-22 10:49:34 GMT | rewritten | rewritten | ||
169.0.121.x/24 | 2023-11-23 11:21:56 GMT | rewritten | rewritten | ||
169.0.128.x/24 | 2020-03-13 12:14:47 GMT | rewritten | rewritten | ||
169.0.158.x/24 | 2022-07-27 10:11:40 GMT | rewritten | rewritten | ||
169.0.159.x/24 | 2022-07-29 08:01:06 GMT | rewritten | rewritten | ||
169.0.177.x/24 | 2023-11-02 11:48:08 GMT | rewritten | rewritten | ||
169.0.178.x/24 | 2023-03-10 16:06:24 GMT | rewritten | rewritten | ||
169.0.179.x/24 | 2020-02-02 14:36:22 GMT | rewritten | rewritten | ||
169.0.180.x/24 | 2019-10-24 21:51:00 GMT | rewritten | rewritten | ||
169.0.181.x/24 | 2020-05-01 16:34:29 GMT | rewritten | rewritten | ||
169.0.182.x/24 | 2019-11-20 14:17:16 GMT | rewritten | rewritten | ||
169.0.183.x/24 | 2020-05-03 09:57:48 GMT | rewritten | rewritten | ||
169.0.184.x/24 | 2020-01-24 06:58:06 GMT | rewritten | rewritten | ||
169.0.185.x/24 | 2019-06-06 02:13:48 GMT | rewritten | rewritten | ||
169.0.216.x/24 | 2016-12-07 23:42:44 GMT | rewritten | rewritten | ||
169.0.217.x/24 | 2016-11-17 09:40:32 GMT | rewritten | rewritten | ||
169.0.218.x/24 | 2016-09-13 11:25:33 GMT | rewritten | rewritten | ||
169.0.220.x/24 | 2016-11-24 14:05:57 GMT | rewritten | rewritten | ||
169.0.231.x/24 | 2021-05-01 10:31:19 GMT | rewritten | rewritten | ||
169.0.232.x/24 | 2021-02-05 14:29:23 GMT | rewritten | rewritten | ||
169.0.233.x/24 | 2021-08-04 14:01:03 GMT | rewritten | rewritten | ||
169.0.240.x/24 | 2016-11-09 17:29:08 GMT | blocked | blocked | ||
169.0.250.x/24 | 2019-09-29 04:51:30 GMT | blocked | blocked | ||
169.0.251.x/24 | 2018-05-05 20:26:17 GMT | blocked | blocked | ||
169.0.252.x/24 | 2018-03-17 15:26:05 GMT | received | received | ||
169.1.48.x/24 | 2016-10-31 09:03:17 GMT | blocked | blocked | ||
169.1.50.x/24 | 2022-04-12 10:13:45 GMT | rewritten | rewritten | ||
169.1.58.x/24 | 2021-01-26 09:29:51 GMT | rewritten | rewritten | ||
169.1.63.x/24 | 2016-12-02 10:13:59 GMT | blocked | blocked | ||
169.1.93.x/24 | 2023-05-22 07:34:49 GMT | rewritten | rewritten | ||
169.1.95.x/24 | 2019-07-11 12:18:05 GMT | blocked | blocked | ||
169.1.116.x/24 | 2017-01-17 13:50:31 GMT | blocked | blocked | ||
169.1.130.x/24 | 2019-05-20 03:46:00 GMT | rewritten | rewritten | ||
169.1.149.x/24 | 2016-11-10 17:46:05 GMT | blocked | blocked | ||
169.1.199.x/24 | 2017-05-20 08:53:35 GMT | rewritten | rewritten | ||
192.143.0.x/24 | 2023-10-02 13:51:13 GMT | rewritten | rewritten | ||
192.143.2.x/24 | 2023-05-09 05:38:16 GMT | rewritten | rewritten | ||
192.143.3.x/24 | 2022-03-11 12:38:38 GMT | rewritten | rewritten | ||
192.143.5.x/24 | 2022-02-28 08:33:48 GMT | rewritten | rewritten | ||
192.143.6.x/24 | 2021-12-15 20:58:10 GMT | rewritten | rewritten | ||
192.143.9.x/24 | 2021-09-23 15:35:31 GMT | rewritten | rewritten | ||
192.143.11.x/24 | 2023-08-08 14:54:16 GMT | rewritten | rewritten | ||
192.143.14.x/24 | 2021-10-24 13:18:28 GMT | rewritten | rewritten | ||
192.143.18.x/24 | 2021-11-30 09:23:11 GMT | rewritten | rewritten | ||
192.143.20.x/24 | 2021-09-24 13:23:50 GMT | rewritten | rewritten | ||
192.143.22.x/24 | 2022-02-22 13:15:46 GMT | rewritten | rewritten | ||
192.143.24.x/24 | 2022-03-09 18:19:03 GMT | rewritten | rewritten | ||
192.143.27.x/24 | 2022-03-03 00:51:32 GMT | rewritten | rewritten | ||
192.143.28.x/24 | 2021-08-29 18:38:56 GMT | rewritten | rewritten | ||
192.143.31.x/24 | 2021-10-23 23:25:58 GMT | rewritten | rewritten | ||
192.143.32.x/24 | 2022-04-13 10:52:22 GMT | rewritten | rewritten | ||
192.143.34.x/24 | 2021-10-20 16:00:05 GMT | rewritten | rewritten | ||
192.143.36.x/24 | 2018-09-11 15:19:41 GMT | blocked | blocked | ||
192.143.39.x/24 | 2021-11-12 12:09:41 GMT | rewritten | rewritten | ||
192.143.40.x/24 | 2023-03-14 05:11:17 GMT | rewritten | rewritten | ||
192.143.41.x/24 | 2022-05-10 16:00:22 GMT | rewritten | rewritten | ||
192.143.42.x/24 | 2023-10-31 07:33:14 GMT | rewritten | rewritten | ||
192.143.43.x/24 | 2022-04-05 10:35:25 GMT | rewritten | rewritten | ||
192.143.46.x/24 | 2016-12-28 08:10:23 GMT | blocked | blocked | ||
192.143.47.x/24 | 2023-04-14 05:55:39 GMT | rewritten | rewritten | ||
192.143.48.x/24 | 2021-08-16 22:50:36 GMT | rewritten | rewritten | ||
192.143.50.x/24 | 2022-04-04 07:53:04 GMT | rewritten | rewritten | ||
192.143.52.x/24 | 2022-03-08 14:04:05 GMT | rewritten | rewritten | ||
192.143.53.x/24 | 2022-03-31 18:23:46 GMT | rewritten | rewritten | ||
192.143.55.x/24 | 2022-03-10 04:42:16 GMT | rewritten | rewritten | ||
192.143.58.x/24 | 2022-04-22 05:03:37 GMT | rewritten | rewritten | ||
192.143.64.x/24 | 2023-03-24 05:34:27 GMT | rewritten | rewritten | ||
192.143.65.x/24 | 2022-04-10 14:02:47 GMT | rewritten | rewritten | ||
192.143.68.x/24 | 2022-04-12 21:13:58 GMT | rewritten | rewritten | ||
192.143.71.x/24 | 2023-12-14 13:26:32 GMT | rewritten | rewritten | ||
192.143.72.x/24 | 2022-03-13 09:12:02 GMT | rewritten | rewritten | ||
192.143.73.x/24 | 2022-05-11 14:49:50 GMT | rewritten | rewritten | ||
192.143.74.x/24 | 2024-05-10 06:04:52 GMT | rewritten | rewritten | ||
192.143.77.x/24 | 2022-04-02 13:21:27 GMT | rewritten | rewritten | ||
192.143.78.x/24 | 2022-05-04 13:15:59 GMT | rewritten | rewritten | ||
192.143.80.x/24 | 2023-09-18 12:59:43 GMT | rewritten | rewritten | ||
192.143.82.x/24 | 2021-10-13 14:46:13 GMT | rewritten | rewritten | ||
192.143.83.x/24 | 2021-12-02 20:06:20 GMT | rewritten | rewritten | ||
192.143.84.x/24 | 2021-08-22 15:00:57 GMT | rewritten | rewritten | ||
192.143.87.x/24 | 2023-01-03 06:01:51 GMT | rewritten | rewritten | ||
192.143.89.x/24 | 2022-02-16 13:42:09 GMT | rewritten | rewritten | ||
192.143.92.x/24 | 2024-04-11 14:54:38 GMT | rewritten | rewritten | ||
192.143.97.x/24 | 2022-03-27 19:25:13 GMT | rewritten | rewritten | ||
192.143.99.x/24 | 2022-08-10 15:05:10 GMT | rewritten | rewritten | ||
192.143.100.x/24 | 2022-07-26 14:10:17 GMT | rewritten | rewritten | ||
192.143.101.x/24 | 2022-07-24 11:54:03 GMT | rewritten | rewritten | ||
192.143.105.x/24 | 2023-04-24 08:57:30 GMT | rewritten | rewritten | ||
192.143.106.x/24 | 2021-08-19 16:46:15 GMT | rewritten | rewritten | ||
192.143.109.x/24 | 2021-10-06 09:52:14 GMT | rewritten | rewritten | ||
192.143.111.x/24 | 2024-04-19 06:43:36 GMT | rewritten | rewritten | ||
192.143.114.x/24 | 2022-05-19 05:28:23 GMT | rewritten | rewritten | ||
192.143.117.x/24 | 2023-07-13 07:26:02 GMT | rewritten | rewritten | ||
192.143.121.x/24 | 2022-05-18 12:37:19 GMT | rewritten | rewritten | ||
192.143.126.x/24 | 2018-11-13 17:50:27 GMT | blocked | blocked | ||
192.143.131.x/24 | 2022-08-01 09:28:37 GMT | rewritten | rewritten | ||
192.143.196.x/24 | 2024-02-02 06:19:21 GMT | rewritten | rewritten | ||
192.143.199.x/24 | 2023-02-13 06:21:17 GMT | rewritten | rewritten | ||
192.143.203.x/24 | 2022-12-12 07:27:17 GMT | rewritten | rewritten | ||
192.143.225.x/24 | 2022-07-16 11:42:58 GMT | rewritten | rewritten | ||
192.143.227.x/24 | 2022-07-15 16:00:20 GMT | rewritten | rewritten | ||
192.143.228.x/24 | 2023-03-31 13:56:31 GMT | rewritten | rewritten | ||
192.143.229.x/24 | 2023-06-05 05:45:52 GMT | rewritten | rewritten | ||
192.143.237.x/24 | 2023-06-29 05:40:01 GMT | rewritten | rewritten | ||
192.143.241.x/24 | 2023-08-31 06:35:30 GMT | rewritten | rewritten | ||
192.143.253.x/24 | 2023-02-17 06:04:07 GMT | rewritten | rewritten | ||
192.143.254.x/24 | 2022-08-03 13:59:00 GMT | rewritten | rewritten | ||
192.143.255.x/24 | 2023-11-24 12:11:42 GMT | rewritten | rewritten | ||
2c0f:f4c0:a0xx::/40 | 2023-07-24 19:02:31 GMT | blocked | blocked | ||
2c0f:f4c0:a1xx::/40 | 2023-11-23 11:21:56 GMT | blocked | blocked |
This is the address space announcement history of an AS and its customer cone, derived from prefix announcements for the AS recorded in public BGP data. For each month, we have aggregated more specific prefix announcements into contiguous address blocks, where possible. The goal of this page is to allow a network operator to judge the feasibility of deploying a static ingress access control list for their border router connecting to the AS. 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."
Year |2022 2023 2024
Month |May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May
——————————————————————+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+
41.76.208.0/21 |————————————————————————————————————————————————————————————————————————————————————————————————————
102.182.0.0/16 |————————————————————————————————————————————————————————————————————————————————————————————————————
102.211.56.0/22 | ————————————————————————
102.212.96.0/22 | ————————————
102.219.29.0/24 |————————————————————————————————————————————————————————————————————————————————————————————————————
102.219.160.0/22 | ————————————
102.222.124.0/22 |———————————————————————————————————— ———————— ————————————
102.223.56.0/22 | ————————————
154.0.160.0/20 |————————————————————————————————————————————————————————————————————————————————————————————————————
156.155.0.0/16 |————————————————————————————————————————————————————————————————————————————————————————————————————
165.73.0.0/17 |————————————————————————————————————————————————————————————————————————————————————————————————————
165.255.0.0/16 |————————————————————————————————————————————————————————————————————————————————————————————————————
169.0.0.0/15 |————————————————————————————————————————————————————————————————————————————————————————————————————
192.143.0.0/16 |————————————————————————————————————————————————————————————————————————————————————————————————————
197.242.144.0/20 |————————————————————————————————————————————————————————————————————————————————————————————————————
——————————————————————+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+
2c0e:7f00::/28 | ————————————————————————————————————————————
2c0f:ef20::/32 |————————————————————————————————————————————————————————————————————————————————————————————————————
2c0f:f4c0::/32 |————————————————————————————————————————————————————————————————————————————————————————————————————
——————————————————————+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+——‒+
Month |May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May
Year |2022 2023 2024