Spoofing Information for AS 1136 (KPN)
Spoofing status per IP block for last year of data
(Results for all dates also available.)| 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 | ||
|---|---|---|---|---|---|
| 31.149.178.x/24 | 2025-10-08 18:35:11 GMT | blocked | blocked | ||
| 31.161.190.x/24 | 2025-07-30 08:45:10 GMT | blocked | blocked | ||
| 31.161.192.x/24 | 2025-11-01 10:23:57 GMT | rewritten | rewritten | ||
| 31.161.195.x/24 | 2025-06-27 08:21:49 GMT | rewritten | rewritten | ||
| 31.161.220.x/24 | 2026-04-06 07:38:58 GMT | rewritten | rewritten | ||
| 31.161.222.x/24 | 2025-11-26 08:38:28 GMT | rewritten | rewritten | ||
| 77.61.21.x/24 | 2026-04-22 13:09:03 GMT | blocked | received | ||
| 77.63.0.x/24 | 2025-11-30 15:17:11 GMT | rewritten | rewritten | ||
| 77.63.4.x/24 | 2026-03-21 08:03:31 GMT | rewritten | rewritten | ||
| 77.63.9.x/24 | 2025-11-24 12:50:06 GMT | rewritten | rewritten | ||
| 77.63.11.x/24 | 2025-10-20 09:22:42 GMT | rewritten | rewritten | ||
| 77.63.17.x/24 | 2025-09-16 12:03:56 GMT | rewritten | rewritten | ||
| 77.63.19.x/24 | 2025-10-09 07:31:18 GMT | rewritten | rewritten | ||
| 77.63.21.x/24 | 2025-12-18 10:51:09 GMT | rewritten | rewritten | ||
| 77.63.26.x/24 | 2026-06-01 06:40:42 GMT | rewritten | rewritten | ||
| 77.63.33.x/24 | 2026-04-10 19:40:46 GMT | rewritten | rewritten | ||
| 77.63.36.x/24 | 2025-08-05 11:03:48 GMT | rewritten | rewritten | ||
| 77.63.37.x/24 | 2026-02-06 08:36:50 GMT | rewritten | rewritten | ||
| 77.63.38.x/24 | 2025-12-12 08:21:30 GMT | rewritten | rewritten | ||
| 77.63.42.x/24 | 2025-11-24 13:26:02 GMT | rewritten | rewritten | ||
| 77.63.49.x/24 | 2026-01-07 10:20:52 GMT | rewritten | rewritten | ||
| 77.63.50.x/24 | 2025-06-28 07:26:41 GMT | rewritten | rewritten | ||
| 77.63.51.x/24 | 2025-07-09 09:26:25 GMT | rewritten | rewritten | ||
| 77.63.53.x/24 | 2025-09-10 15:49:06 GMT | rewritten | rewritten | ||
| 77.63.54.x/24 | 2025-09-16 08:49:04 GMT | rewritten | rewritten | ||
| 77.63.58.x/24 | 2025-08-27 14:12:24 GMT | rewritten | rewritten | ||
| 77.63.59.x/24 | 2026-01-14 08:07:26 GMT | rewritten | rewritten | ||
| 77.63.67.x/24 | 2026-03-19 07:00:17 GMT | rewritten | rewritten | ||
| 77.63.69.x/24 | 2026-03-18 11:43:39 GMT | rewritten | rewritten | ||
| 77.63.82.x/24 | 2025-11-18 20:35:22 GMT | rewritten | rewritten | ||
| 77.63.90.x/24 | 2025-06-28 13:57:38 GMT | rewritten | rewritten | ||
| 77.63.91.x/24 | 2026-01-08 15:40:25 GMT | rewritten | rewritten | ||
| 77.63.92.x/24 | 2025-09-24 05:24:55 GMT | rewritten | rewritten | ||
| 77.63.94.x/24 | 2025-12-01 11:39:09 GMT | rewritten | rewritten | ||
| 77.63.96.x/24 | 2025-11-26 13:43:30 GMT | rewritten | rewritten | ||
| 77.63.98.x/24 | 2026-01-15 08:42:20 GMT | rewritten | rewritten | ||
| 77.63.102.x/24 | 2025-08-30 16:11:40 GMT | rewritten | rewritten | ||
| 77.63.103.x/24 | 2026-04-11 06:12:11 GMT | rewritten | rewritten | ||
| 77.63.104.x/24 | 2025-08-07 04:19:34 GMT | rewritten | rewritten | ||
| 77.63.105.x/24 | 2026-02-19 13:23:04 GMT | rewritten | rewritten | ||
| 77.63.106.x/24 | 2025-10-29 14:55:06 GMT | rewritten | rewritten | ||
| 77.63.107.x/24 | 2026-03-11 12:09:28 GMT | rewritten | rewritten | ||
| 77.63.108.x/24 | 2025-09-19 08:10:33 GMT | rewritten | rewritten | ||
| 77.63.110.x/24 | 2025-07-25 06:54:06 GMT | unknown | rewritten | ||
| 77.63.111.x/24 | 2025-07-01 14:23:27 GMT | rewritten | rewritten | ||
| 77.63.113.x/24 | 2026-01-17 16:09:17 GMT | rewritten | rewritten | ||
| 77.63.115.x/24 | 2026-04-10 13:47:14 GMT | rewritten | rewritten | ||
| 77.63.116.x/24 | 2025-11-11 15:57:18 GMT | rewritten | rewritten | ||
| 77.63.117.x/24 | 2026-01-29 07:19:20 GMT | rewritten | rewritten | ||
| 77.63.118.x/24 | 2025-12-18 06:25:34 GMT | rewritten | rewritten | ||
| 77.63.119.x/24 | 2025-07-02 08:47:16 GMT | rewritten | rewritten | ||
| 77.63.122.x/24 | 2025-11-21 12:38:00 GMT | rewritten | rewritten | ||
| 77.63.124.x/24 | 2025-12-10 08:31:26 GMT | rewritten | rewritten | ||
| 77.63.125.x/24 | 2025-11-24 12:25:24 GMT | rewritten | rewritten | ||
| 77.161.14.x/24 | 2026-05-14 14:36:01 GMT | blocked | blocked | ||
| 77.163.72.x/24 | 2025-08-28 18:57:39 GMT | blocked | blocked | ||
| 77.165.53.x/24 | 2025-07-31 23:11:18 GMT | blocked | blocked | ||
| 77.165.214.x/24 | 2026-04-20 14:35:04 GMT | blocked | blocked | ||
| 77.171.37.x/24 | 2026-03-30 18:24:23 GMT | blocked | blocked | ||
| 77.171.131.x/24 | 2026-05-01 10:11:44 GMT | blocked | blocked | ||
| 77.171.172.x/24 | 2025-09-24 01:54:26 GMT | blocked | blocked | ||
| 77.174.209.x/24 | 2025-09-15 18:21:40 GMT | blocked | blocked | ||
| 77.175.189.x/24 | 2026-05-16 20:50:37 GMT | rewritten | rewritten | ||
| 81.204.76.x/24 | 2025-12-24 13:03:56 GMT | rewritten | rewritten | ||
| 82.170.65.x/24 | 2025-06-21 15:13:42 GMT | blocked | blocked | ||
| 82.170.112.x/24 | 2026-06-15 18:06:23 GMT | rewritten | rewritten | ||
| 84.85.66.x/24 | 2026-05-09 18:58:51 GMT | blocked | blocked | ||
| 84.85.184.x/24 | 2025-12-24 17:46:54 GMT | rewritten | rewritten | ||
| 84.86.64.x/24 | 2026-05-15 14:12:26 GMT | blocked | blocked | ||
| 84.87.88.x/24 | 2025-08-28 03:54:01 GMT | blocked | blocked | ||
| 86.80.111.x/24 | 2026-04-28 08:07:24 GMT | blocked | blocked | ||
| 86.81.156.x/24 | 2025-08-22 11:41:59 GMT | blocked | blocked | ||
| 86.82.140.x/24 | 2026-06-06 07:30:57 GMT | blocked | blocked | ||
| 86.87.254.x/24 | 2025-09-25 18:42:39 GMT | blocked | blocked | ||
| 86.92.143.x/24 | 2026-06-16 11:52:25 GMT | rewritten | rewritten | ||
| 86.93.217.x/24 | 2026-06-05 06:13:14 GMT | blocked | blocked | ||
| 86.93.253.x/24 | 2025-12-13 13:15:44 GMT | blocked | blocked | ||
| 92.66.27.x/24 | 2025-07-29 08:51:47 GMT | blocked | blocked | ||
| 92.66.205.x/24 | 2025-07-03 14:21:02 GMT | rewritten | rewritten | ||
| 92.67.109.x/24 | 2025-09-19 18:57:06 GMT | blocked | blocked | ||
| 92.68.96.x/24 | 2026-02-18 17:21:31 GMT | blocked | blocked | ||
| 92.69.46.x/24 | 2025-10-16 22:32:40 GMT | rewritten | rewritten | ||
| 92.69.47.x/24 | 2025-07-15 14:37:45 GMT | rewritten | rewritten | ||
| 92.70.80.x/24 | 2026-01-06 17:24:28 GMT | rewritten | rewritten | ||
| 188.207.5.x/24 | 2026-03-14 09:22:34 GMT | rewritten | rewritten | ||
| 188.207.72.x/24 | 2025-12-19 15:35:54 GMT | rewritten | rewritten | ||
| 188.207.85.x/24 | 2025-09-24 06:52:57 GMT | rewritten | rewritten | ||
| 188.207.107.x/24 | 2026-01-10 08:19:05 GMT | rewritten | rewritten | ||
| 188.207.108.x/24 | 2025-09-15 07:15:37 GMT | rewritten | rewritten | ||
| 188.207.115.x/24 | 2025-10-03 06:01:57 GMT | rewritten | rewritten | ||
| 188.207.116.x/24 | 2025-12-16 12:39:35 GMT | rewritten | rewritten | ||
| 188.207.118.x/24 | 2026-01-05 10:39:01 GMT | rewritten | rewritten | ||
| 193.173.217.x/24 | 2025-12-29 15:58:41 GMT | blocked | blocked | ||
| 195.240.99.x/24 | 2025-10-27 15:01:34 GMT | blocked | blocked | ||
| 2a02:a420:2xx::/40 | 2026-01-15 08:42:20 GMT | blocked | blocked | ||
| 2a02:a420:4xx::/40 | 2025-12-01 11:39:09 GMT | blocked | blocked | ||
| 2a02:a420:5xx::/40 | 2026-02-19 13:23:04 GMT | blocked | blocked | ||
| 2a02:a420:20xx::/40 | 2026-03-14 09:22:34 GMT | blocked | blocked | ||
| 2a02:a420:23xx::/40 | 2026-04-11 06:12:11 GMT | blocked | blocked | ||
| 2a02:a420:24xx::/40 | 2026-03-21 08:03:31 GMT | blocked | blocked | ||
| 2a02:a420:25xx::/40 | 2026-03-18 11:43:39 GMT | blocked | blocked | ||
| 2a02:a420:26xx::/40 | 2026-04-06 07:38:58 GMT | blocked | blocked | ||
| 2a02:a420:27xx::/40 | 2026-03-11 12:09:28 GMT | blocked | blocked | ||
| 2a02:a442:35xx::/40 | 2026-02-04 20:06:08 GMT | blocked | blocked | ||
| 2a02:a444:edxx::/40 | 2025-08-28 03:54:01 GMT | blocked | blocked | ||
| 2a02:a44b:96xx::/40 | 2026-03-30 18:02:15 GMT | blocked | blocked | ||
| 2a02:a458:36xx::/40 | 2025-12-24 13:03:56 GMT | blocked | blocked | ||
| 2a02:a45e:36xx::/40 | 2025-06-21 15:13:42 GMT | blocked | blocked | ||
| 2a02:a45f:bfxx::/40 | 2026-05-01 10:11:44 GMT | blocked | blocked | ||
| 2a02:a464:81xx::/40 | 2026-06-05 06:13:14 GMT | blocked | blocked | ||
| 2a02:a470:edxx::/40 | 2025-09-24 01:54:26 GMT | blocked | blocked | ||
Address Space Announcement History
The customer cone for 1136 is too large for a prefix list to be useful.