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Spoofing Information for AS 11427 (TWC-11427-TEXAS)

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
64.183.216.x/242025-03-16 12:16:40 GMTblockedblocked
67.48.143.x/242025-03-05 18:47:31 GMTrewrittenrewritten
2603:8080:7bxx::/402025-03-05 18:47:31 GMTblockedblocked
68.206.112.x/242025-02-06 02:38:28 GMTrewrittenrewritten
70.119.2.x/242024-12-12 07:48:07 GMTrewrittenrewritten
35.146.64.x/242024-12-09 23:57:40 GMTrewrittenrewritten
2603:8080:40xx::/402024-12-09 23:57:40 GMTblockedblocked
70.124.242.x/242024-12-02 20:44:56 GMTrewrittenrewritten
70.113.48.x/242024-09-08 00:59:15 GMTblockedblocked
2603:8080:1dxx::/402024-09-08 00:59:15 GMTblockedblocked
66.69.231.x/242024-07-23 00:04:41 GMTblockedblocked
97.77.23.x/242024-04-09 15:20:51 GMTrewrittenreceived

Address Space Announcement History

The customer cone for 11427 is too large for a prefix list to be useful.

Last Modified 03/31/2025 08:36:28