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 | ||
|---|---|---|---|---|---|
| 24.90.44.x/24 | 2024-07-17 15:42:08 GMT | rewritten | rewritten | ||
| 24.90.243.x/24 | 2024-11-02 21:31:07 GMT | rewritten | rewritten | ||
| 24.193.167.x/24 | 2024-11-21 00:08:00 GMT | blocked | blocked | ||
| 47.230.36.x/24 | 2024-10-16 19:55:03 GMT | rewritten | rewritten | ||
| 47.230.158.x/24 | 2024-07-22 16:05:55 GMT | rewritten | rewritten | ||
| 67.245.174.x/24 | 2024-04-03 18:09:55 GMT | blocked | blocked | ||
| 68.173.111.x/24 | 2024-11-20 18:37:39 GMT | rewritten | rewritten | ||
| 68.174.0.x/24 | 2024-08-15 03:00:17 GMT | rewritten | rewritten | ||
| 68.174.172.x/24 | 2024-02-21 02:18:36 GMT | rewritten | rewritten | ||
| 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 | ||
| 2603:7000:1bxx::/40 | 2024-11-02 21:31:07 GMT | blocked | blocked | ||
| 2603:7000:61xx::/40 | 2024-11-20 18:37:39 GMT | blocked | blocked | ||
| 2603:7000:90xx::/40 | 2024-07-22 16:05:55 GMT | blocked | blocked | ||
| 2603:7000:a3xx::/40 | 2024-07-17 15:42:08 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.