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Spoofing Information for AS 8167

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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
189.11.200.x/242025-03-30 14:03:59 GMTrewrittenrewritten
2804:d59:8axx::/402025-03-30 14:03:59 GMTblockedblocked
177.203.220.x/242025-03-29 03:12:33 GMTrewrittenrewritten
200.138.95.x/242025-03-14 20:43:28 GMTreceivedblocked
2804:d55:49xx::/402025-03-14 20:43:28 GMTblockedblocked
189.11.105.x/242025-02-25 19:39:08 GMTreceivedblocked
2804:d55:4bxx::/402025-02-25 19:39:08 GMTblockedblocked
177.201.122.x/242025-02-18 03:49:04 GMTreceivedblocked
2804:d59:80xx::/402025-02-18 03:49:04 GMTrewrittenrewritten
177.201.31.x/242025-02-17 17:12:35 GMTreceivedrewritten
200.181.254.x/242025-02-16 06:28:39 GMTreceivedblocked
187.53.95.x/242025-01-14 21:57:22 GMTblockedblocked
2804:d55:44xx::/402025-01-14 21:57:22 GMTblockedblocked
200.140.201.x/242025-01-10 11:54:33 GMTblockedblocked
200.219.122.x/242024-11-04 17:27:01 GMTrewrittenrewritten
2804:d56:9xx::/402024-11-04 17:27:01 GMTblockedblocked
177.4.252.x/242024-08-20 16:42:43 GMTblockedblocked
2804:d51:59xx::/402024-08-20 16:42:43 GMTblockedblocked
201.11.151.x/242024-07-13 02:10:39 GMTrewrittenrewritten
179.255.158.x/242024-07-06 21:29:08 GMTrewrittenrewritten
2804:d59:bcxx::/402024-07-06 21:29:08 GMTblockedblocked
191.221.203.x/242024-06-24 18:37:14 GMTrewrittenrewritten
2804:d55:55xx::/402024-06-24 18:37:14 GMTblockedblocked
201.24.136.x/242024-06-20 15:13:13 GMTrewrittenrewritten
187.55.80.x/242024-06-06 11:26:25 GMT✔blockedblocked
2804:d55:48xx::/402024-06-06 11:26:25 GMTblockedblocked
201.24.10.x/242024-05-30 03:51:04 GMTrewrittenrewritten
189.31.186.x/242024-05-21 15:35:21 GMTrewrittenrewritten
191.222.39.x/242024-05-10 15:43:48 GMTrewrittenrewritten
179.254.177.x/242024-05-04 15:15:24 GMTblockedblocked
2804:d56:5xx::/402024-05-04 15:15:24 GMTblockedblocked
201.14.20.x/242024-05-02 13:22:35 GMTrewrittenrewritten
200.163.135.x/242024-04-26 13:59:52 GMTblockedblocked
200.140.164.x/242024-04-24 21:33:58 GMTrewrittenrewritten
187.6.73.x/242024-04-15 21:04:01 GMTrewrittenrewritten
179.253.237.x/242024-04-12 20:48:56 GMTunknownblocked

Customers of AS 8167 we have spoofer tests from

This is the list of directly connected customers of AS 8167 from which we have received a spoofer test, ordered by the customer's ability to send spoofed packets and the number of prefixes of an inferred ingress ACL derived from prefix announcements for the customer recorded in the latest month of public BGP data. BCP-84 describes ingress ACLs as "the most bulletproof solution when done properly" and the "best fit ... when the configuration is not too dynamic, ... if the number of used prefixes is low." Further detail about the size and dynamism of an inferred ACL is available by following the History link for each AS.

ASN
Country
Number of Prefixes
in Customer Cone
Number of ASes
in Customer Cone
Recent
tests
Spoof
Routable
53112bra (Brazil)91AS 53112 testsreceived
52564bra (Brazil)2710AS 52564 testsreceived
263661bra (Brazil)4113AS 263661 testsblocked
52771bra (Brazil)4115AS 52771 testsblocked
262907bra (Brazil)735208AS 262907 testsblocked
28146bra (Brazil)874310AS 28146 testsblocked

Address Space Announcement History

The customer cone for 8167 is too large for a prefix list to be useful.

Last Modified 03/31/2025 02:57:05