Spoofing Information for AS 5610 (O2-CZECH-REPUBLIC)

Spoofing status per IP block for last year of data

(Results for all dates also available.)
Spoof status key
receivedSpoofed packet was received.Pattern of tests from this IP block indicates a switch from allowing spoofing to blocking it.
rewrittenSpoofed packet was received, but the source address was changed en route.
blockedSpoofed packet was not received, but unspoofed packet was.
unknownNeither spoofed nor unspoofed packet was received.
IP blockLatest testSpoof
90.177.47.x/242023-08-26 08:15:27 GMTrewrittenrewritten

Address Space Announcement History

The customer cone for 5610 is too large for a prefix list to be useful.

Last Modified