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Spoofing Information for AS 1257 (SWIPNET)

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
Private
Spoof
Routable
83.250.166.x/242024-07-18 11:35:53 GMTblockedblocked
83.252.16.x/242024-06-12 17:33:07 GMTblockedblocked
90.131.35.x/242024-06-26 13:29:55 GMTrewrittenrewritten
90.131.37.x/242025-01-26 16:42:18 GMTrewrittenrewritten
90.131.38.x/242024-03-03 15:41:13 GMTrewrittenrewritten
90.131.41.x/242024-06-25 21:14:23 GMTrewrittenrewritten
90.131.42.x/242024-05-25 20:31:46 GMTrewrittenrewritten
90.131.43.x/242024-03-13 02:06:50 GMTrewrittenrewritten
90.131.46.x/242024-04-13 16:05:15 GMTrewrittenrewritten
90.131.47.x/242024-03-14 08:50:03 GMTrewrittenrewritten
90.134.23.x/242024-06-25 13:09:33 GMTrewrittenrewritten
91.130.21.x/242024-04-06 20:59:56 GMTblockedblocked
91.130.25.x/242024-03-28 13:40:42 GMTblockedblocked
91.130.28.x/242024-11-21 14:44:12 GMTblockedblocked
151.177.251.x/242024-10-15 19:19:25 GMTblockedblocked
2a00:809:3xx::/402025-01-26 16:42:18 GMTblockedblocked

Address Space Announcement History

The customer cone for 1257 is too large for a prefix list to be useful.

Last Modified