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 | ||
|---|---|---|---|---|---|
| 24.193.167.x/24 | 2024-04-18 11:13:20 GMT | blocked | blocked | ||
| 47.230.36.x/24 | 2024-04-16 23:15:48 GMT | rewritten | rewritten | ||
| 47.230.158.x/24 | 2024-04-19 22:24:16 GMT | rewritten | rewritten | ||
| 66.65.40.x/24 | 2023-08-14 21:53:11 GMT | rewritten | rewritten | ||
| 67.245.174.x/24 | 2024-04-03 18:09:55 GMT | blocked | blocked | ||
| 68.173.104.x/24 | 2023-05-01 16:16:44 GMT | rewritten | rewritten | ||
| 68.173.115.x/24 | 2023-08-06 20:37:55 GMT | rewritten | rewritten | ||
| 68.173.117.x/24 | 2023-07-12 05:16:11 GMT | rewritten | rewritten | ||
| 68.174.172.x/24 | 2024-02-21 02:18:36 GMT | rewritten | rewritten | ||
| 72.229.49.x/24 | 2023-06-03 12:31:22 GMT | blocked | blocked | ||
| 74.68.56.x/24 | 2024-02-07 02:49:41 GMT | rewritten | rewritten | ||
| 142.105.13.x/24 | 2024-04-10 00:41:17 GMT | blocked | blocked | ||
| 2603:7000:12xx::/40 | 2023-08-14 21:53:11 GMT | blocked | blocked | ||
| 2603:7000:61xx::/40 | 2024-04-16 23:15:48 GMT | blocked | blocked | ||
| 2603:7000:90xx::/40 | 2024-04-19 22:24:16 GMT | blocked | blocked | ||
| 2603:7000:98xx::/40 | 2023-06-03 12:31:22 GMT | blocked | blocked | ||
| 2603:7000:cdxx::/40 | 2024-04-10 00:41:17 GMT | blocked | blocked | ||
Address Space Announcement History
The customer cone for 12271 is too large for a prefix list to be useful.