Spoofing Information for AS 33490 (COMCAST-33490)
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 | ||
|---|---|---|---|---|---|
| 2001:559:xx::/40 | 2025-04-09 12:52:19 GMT | ✔ | blocked | ✔ | blocked |
Address Space Announcement History
The customer cone for 33490 is too large for a prefix list to be useful.