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Spoofing Information for AS 16509 (AMAZON-02)

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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 block
Latest test
Spoof
Private
Spoof
Routable
13.40.221.x/242025-01-08 01:35:45 GMTblockedblocked
13.40.216.x/242025-01-06 09:14:23 GMTblockedblocked
16.56.11.x/242024-12-30 05:20:52 GMTrewrittenrewritten
161.193.7.x/242024-12-28 15:10:35 GMTrewrittenrewritten
161.193.1.x/242024-12-27 22:19:10 GMTrewrittenrewritten
3.134.253.x/242024-12-27 16:26:28 GMTrewrittenrewritten
161.193.4.x/242024-12-17 22:00:38 GMTblockedblocked
15.181.97.x/242024-12-15 23:18:54 GMTrewrittenrewritten
18.167.123.x/242024-11-29 11:34:49 GMTblockedblocked
16.56.2.x/242024-10-30 08:33:07 GMTblockedblocked
16.56.9.x/242024-10-29 17:03:49 GMTblockedblocked
16.56.4.x/242024-10-27 09:23:31 GMTblockedblocked
54.255.247.x/242024-08-28 03:18:39 GMTblockedblocked
161.188.168.x/242024-08-21 17:40:26 GMTrewrittenrewritten
161.188.180.x/242024-08-12 18:33:59 GMTrewrittenrewritten
34.220.65.x/242024-07-10 08:14:49 GMTblockedblocked
2600:1f13:exx::/402024-07-10 08:14:49 GMTblockedblocked
13.42.178.x/242024-05-30 06:47:34 GMTblockedblocked
161.188.188.x/242024-05-25 12:59:56 GMTrewrittenrewritten

Address Space Announcement History

The customer cone for 16509 is too large for a prefix list to be useful.

Last Modified 03/31/2025 08:04:47