Spoofing Information for AS 11776 (ATLANTICBB-JOHNSTOWN)
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 | ||
|---|---|---|---|---|---|
| 23.244.110.x/24 | 2026-03-05 03:49:43 GMT | blocked | blocked | ||
| 159.250.153.x/24 | 2026-03-02 18:48:53 GMT | blocked | blocked | ||
Address Space Announcement History
The customer cone for 11776 is too large for a prefix list to be useful.