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Spoofing Information for AS 37061 (Safaricom)

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
41.90.172.x/242025-02-06 06:33:37 GMTrewrittenrewritten
197.248.20.x/242025-01-25 12:58:21 GMTblockedblocked
41.90.98.x/242025-01-22 06:55:55 GMTblockedblocked
41.90.173.x/242024-11-26 04:51:12 GMTrewrittenrewritten
41.90.175.x/242024-11-20 05:42:20 GMTrewrittenrewritten
197.248.25.x/242024-10-12 09:21:28 GMTblockedreceived
41.139.249.x/242024-09-09 07:21:30 GMTreceivedreceived
41.90.174.x/242024-08-30 07:06:15 GMTrewrittenrewritten

Address Space Announcement History

The customer cone for 37061 is too large for a prefix list to be useful.

Last Modified 03/31/2025 01:55:21