Spoofing Information for AS 209 (CENTURYLINK-US-LEGACY-QWEST)
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 | ||
|---|---|---|---|---|---|
| 65.120.254.x/24 | 2025-02-14 17:06:09 GMT | blocked | blocked | ||
| 71.212.14.x/24 | 2025-12-19 22:23:20 GMT | rewritten | blocked | ||
| 71.212.215.x/24 | 2025-12-21 22:37:35 GMT | blocked | blocked | ||
| 71.212.221.x/24 | 2025-06-17 21:51:36 GMT | blocked | blocked | ||
| 97.113.13.x/24 | 2025-10-10 03:45:19 GMT | rewritten | blocked | ||
| 97.113.160.x/24 | 2025-07-01 11:22:05 GMT | rewritten | blocked | ||
| 97.113.164.x/24 | 2025-11-21 04:39:47 GMT | rewritten | blocked | ||
| 97.113.173.x/24 | 2025-07-18 13:20:20 GMT | rewritten | blocked | ||
| 97.113.181.x/24 | 2025-08-01 16:47:48 GMT | rewritten | blocked | ||
| 97.113.186.x/24 | 2025-09-24 20:56:48 GMT | rewritten | blocked | ||
| 97.113.189.x/24 | 2025-06-23 20:17:00 GMT | rewritten | blocked | ||
| 97.119.176.x/24 | 2025-06-27 14:12:18 GMT | rewritten | rewritten | ||
| 97.122.223.x/24 | 2025-05-21 03:45:58 GMT | blocked | blocked | ||
| 204.98.75.x/24 | 2025-10-02 19:11:02 GMT | blocked | blocked | ||
| 2602:61:77xx::/40 | 2025-06-27 14:12:18 GMT | blocked | blocked | ||
Address Space Announcement History
The customer cone for 209 is too large for a prefix list to be useful.