Spoofing Information for AS 12271 (TWC-12271-NYC)
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 | ||
|---|---|---|---|---|---|
| 24.90.117.x/24 | 2025-08-25 01:52:21 GMT | rewritten | rewritten | ||
| 24.90.211.x/24 | 2025-02-07 19:49:31 GMT | rewritten | rewritten | ||
| 47.230.36.x/24 | 2025-09-14 00:37:17 GMT | rewritten | rewritten | ||
| 47.230.177.x/24 | 2025-06-27 13:12:21 GMT | rewritten | rewritten | ||
| 68.173.111.x/24 | 2025-07-09 21:04:22 GMT | rewritten | rewritten | ||
| 72.225.187.x/24 | 2025-08-07 05:43:06 GMT | rewritten | rewritten | ||
| 98.7.210.x/24 | 2025-08-28 21:54:58 GMT | rewritten | rewritten | ||
| 184.75.115.x/24 | 2025-04-25 07:25:18 GMT | blocked | blocked | ||
| 184.153.66.x/24 | 2025-02-17 20:16:12 GMT | blocked | blocked | ||
| 2603:7000:2bxx::/40 | 2025-08-28 21:54:58 GMT | blocked | blocked | ||
| 2603:7000:61xx::/40 | 2025-09-14 00:37:17 GMT | blocked | blocked | ||
| 2603:7000:87xx::/40 | 2025-08-25 01:52:21 GMT | blocked | blocked | ||
| 2603:7000:92xx::/40 | 2025-06-27 13:12:21 GMT | blocked | blocked | ||
| 2603:7000:c8xx::/40 | 2025-08-07 05:40:18 GMT | blocked | blocked | ||
Address Space Announcement History
The customer cone for 12271 is too large for a prefix list to be useful.