Spoofing Information for AS 5610 (O2-CZECH-REPUBLIC)
Spoofing status per IP block (all dates)
| 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 | ||
|---|---|---|---|---|---|
| 37.188.131.x/24 | 2020-06-02 14:00:25 GMT | rewritten | rewritten | ||
| 37.188.132.x/24 | 2020-03-04 19:58:43 GMT | blocked | blocked | ||
| 37.188.133.x/24 | 2019-09-12 05:59:36 GMT | rewritten | rewritten | ||
| 37.188.134.x/24 | 2019-06-28 17:01:27 GMT | rewritten | rewritten | ||
| 37.188.135.x/24 | 2018-01-18 10:04:49 GMT | blocked | blocked | ||
| 37.188.137.x/24 | 2018-04-05 07:41:25 GMT | blocked | blocked | ||
| 37.188.141.x/24 | 2020-01-18 14:03:57 GMT | rewritten | rewritten | ||
| 37.188.142.x/24 | 2018-10-13 09:29:40 GMT | rewritten | rewritten | ||
| 37.188.143.x/24 | 2019-11-21 17:50:09 GMT | rewritten | rewritten | ||
| 37.188.153.x/24 | 2020-02-02 10:36:36 GMT | blocked | blocked | ||
| 37.188.154.x/24 | 2020-06-09 15:07:32 GMT | rewritten | rewritten | ||
| 37.188.157.x/24 | 2019-11-29 08:40:57 GMT | rewritten | rewritten | ||
| 37.188.158.x/24 | 2018-03-26 07:45:48 GMT | blocked | blocked | ||
| 37.188.160.x/24 | 2019-07-06 07:12:40 GMT | rewritten | rewritten | ||
| 37.188.163.x/24 | 2020-03-21 14:08:36 GMT | rewritten | rewritten | ||
| 37.188.165.x/24 | 2019-06-06 20:52:35 GMT | rewritten | rewritten | ||
| 37.188.168.x/24 | 2019-10-12 12:28:08 GMT | blocked | blocked | ||
| 37.188.169.x/24 | 2020-01-27 18:37:09 GMT | rewritten | rewritten | ||
| 37.188.171.x/24 | 2020-01-20 16:10:49 GMT | rewritten | rewritten | ||
| 37.188.173.x/24 | 2019-12-18 20:51:12 GMT | rewritten | rewritten | ||
| 37.188.175.x/24 | 2020-02-20 16:03:35 GMT | blocked | blocked | ||
| 37.188.176.x/24 | 2020-05-26 11:22:38 GMT | rewritten | rewritten | ||
| 37.188.177.x/24 | 2019-12-27 10:30:48 GMT | rewritten | rewritten | ||
| 37.188.178.x/24 | 2017-11-29 13:23:45 GMT | blocked | blocked | ||
| 37.188.179.x/24 | 2020-02-06 19:32:05 GMT | rewritten | rewritten | ||
| 37.188.180.x/24 | 2019-12-12 06:38:48 GMT | rewritten | rewritten | ||
| 37.188.181.x/24 | 2020-03-08 13:06:07 GMT | rewritten | rewritten | ||
| 37.188.182.x/24 | 2017-07-11 08:21:26 GMT | blocked | blocked | ||
| 37.188.183.x/24 | 2019-10-25 16:03:38 GMT | rewritten | rewritten | ||
| 37.188.184.x/24 | 2019-10-24 08:50:03 GMT | rewritten | rewritten | ||
| 37.188.185.x/24 | 2018-06-04 12:10:04 GMT | blocked | blocked | ||
| 37.188.190.x/24 | 2019-10-19 08:29:17 GMT | rewritten | rewritten | ||
| 37.188.191.x/24 | 2020-02-17 18:28:18 GMT | blocked | blocked | ||
| 37.188.224.x/24 | 2019-09-20 16:37:50 GMT | rewritten | rewritten | ||
| 37.188.225.x/24 | 2020-02-03 16:36:17 GMT | rewritten | rewritten | ||
| 37.188.226.x/24 | 2020-01-07 05:41:39 GMT | rewritten | rewritten | ||
| 37.188.227.x/24 | 2018-04-16 08:02:18 GMT | blocked | blocked | ||
| 37.188.231.x/24 | 2019-09-25 06:18:03 GMT | rewritten | rewritten | ||
| 37.188.235.x/24 | 2019-07-13 08:19:02 GMT | rewritten | rewritten | ||
| 37.188.236.x/24 | 2020-06-27 18:21:40 GMT | blocked | blocked | ||
| 37.188.238.x/24 | 2020-04-06 12:35:31 GMT | rewritten | rewritten | ||
| 37.188.239.x/24 | 2019-09-12 16:02:06 GMT | blocked | blocked | ||
| 37.188.241.x/24 | 2017-08-22 14:21:10 GMT | blocked | blocked | ||
| 37.188.244.x/24 | 2019-10-11 20:09:20 GMT | rewritten | rewritten | ||
| 37.188.245.x/24 | 2019-09-04 05:14:31 GMT | rewritten | rewritten | ||
| 37.188.246.x/24 | 2020-04-29 23:06:17 GMT | rewritten | rewritten | ||
| 37.188.247.x/24 | 2020-04-14 13:49:00 GMT | rewritten | rewritten | ||
| 37.188.255.x/24 | 2019-11-01 06:27:54 GMT | rewritten | rewritten | ||
| 80.188.36.x/24 | 2019-03-29 10:31:24 GMT | blocked | blocked | ||
| 80.188.119.x/24 | 2020-07-09 10:57:34 GMT | blocked | ✔ | blocked | |
| 83.208.111.x/24 | 2018-03-08 10:43:41 GMT | rewritten | rewritten | ||
| 83.208.252.x/24 | 2017-09-07 16:18:22 GMT | rewritten | rewritten | ||
| 85.70.69.x/24 | 2018-08-31 10:02:36 GMT | rewritten | rewritten | ||
| 85.70.113.x/24 | 2019-12-29 19:58:25 GMT | rewritten | rewritten | ||
| 85.70.228.x/24 | 2017-07-24 11:27:03 GMT | rewritten | rewritten | ||
| 85.71.42.x/24 | 2017-05-05 10:09:02 GMT | rewritten | rewritten | ||
| 85.71.65.x/24 | 2018-03-31 14:10:23 GMT | rewritten | rewritten | ||
| 88.100.14.x/24 | 2017-09-22 08:08:10 GMT | rewritten | rewritten | ||
| 88.100.26.x/24 | 2018-11-26 16:26:38 GMT | rewritten | rewritten | ||
| 88.101.100.x/24 | 2017-06-26 11:32:38 GMT | rewritten | rewritten | ||
| 88.102.184.x/24 | 2018-09-01 10:48:25 GMT | blocked | blocked | ||
| 90.176.165.x/24 | 2018-07-30 10:23:42 GMT | rewritten | rewritten | ||
| 90.177.23.x/24 | 2019-11-03 21:40:00 GMT | blocked | blocked | ||
| 90.177.47.x/24 | 2023-08-26 08:15:27 GMT | rewritten | rewritten | ||
| 90.178.67.x/24 | 2017-09-17 17:23:41 GMT | rewritten | rewritten | ||
| 90.178.83.x/24 | 2018-10-02 15:05:22 GMT | blocked | blocked | ||
| 90.179.0.x/24 | 2020-07-21 20:06:21 GMT | blocked | blocked | ||
| 90.179.101.x/24 | 2016-09-09 19:24:01 GMT | rewritten | rewritten | ||
| 90.181.85.x/24 | 2017-04-14 17:59:52 GMT | rewritten | rewritten | ||
| 90.181.121.x/24 | 2019-06-14 19:02:23 GMT | rewritten | rewritten | ||
| 90.182.8.x/24 | 2022-04-13 03:46:39 GMT | blocked | blocked | ||
| 90.182.128.x/24 | 2019-08-30 13:30:24 GMT | blocked | blocked | ||
| 90.182.144.x/24 | 2020-06-16 06:31:26 GMT | blocked | blocked | ||
| 90.182.186.x/24 | 2018-01-17 14:50:36 GMT | blocked | blocked | ||
| 109.80.47.x/24 | 2017-10-26 17:37:03 GMT | rewritten | rewritten | ||
| 109.81.208.x/24 | 2017-10-31 17:13:12 GMT | rewritten | rewritten | ||
| 109.81.209.x/24 | 2018-03-07 10:37:51 GMT | rewritten | rewritten | ||
| 109.81.214.x/24 | 2018-11-07 14:29:57 GMT | rewritten | rewritten | ||
| 151.236.224.x/24 | 2017-09-26 14:12:14 GMT | blocked | blocked | ||
| 151.236.233.x/24 | 2019-09-26 13:16:35 GMT | rewritten | rewritten | ||
| 194.228.11.x/24 | 2018-07-29 22:18:49 GMT | rewritten | rewritten | ||
| 194.228.13.x/24 | 2018-07-26 16:36:00 GMT | rewritten | rewritten | ||
| 194.228.20.x/24 | 2017-08-04 13:25:26 GMT | rewritten | rewritten | ||
| 194.228.32.x/24 | 2020-07-01 17:02:48 GMT | rewritten | rewritten | ||
| 194.228.59.x/24 | 2017-07-05 15:42:11 GMT | rewritten | rewritten | ||
| 194.228.76.x/24 | 2018-11-26 21:33:37 GMT | rewritten | rewritten | ||
| 194.228.150.x/24 | 2018-08-31 13:15:29 GMT | rewritten | rewritten | ||
| 194.228.159.x/24 | 2020-06-17 13:13:32 GMT | blocked | blocked | ||
| 2a00:1028:83xx::/40 | 2020-03-05 19:00:50 GMT | blocked | blocked | ||
| 2a00:1028:8dxx::/40 | 2017-05-05 10:09:02 GMT | blocked | blocked | ||
| 2a00:1028:91xx::/40 | 2017-09-22 08:08:10 GMT | blocked | blocked | ||
| 2a00:1028:96xx::/40 | 2020-07-21 20:06:21 GMT | blocked | blocked | ||
| 2a00:1028:99xx::/40 | 2017-10-26 17:37:03 GMT | blocked | blocked | ||
Address Space Announcement History
The customer cone for 5610 is too large for a prefix list to be useful.