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Spoofing Information for AS 10429

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
152.246.229.x/242023-12-20 18:54:21 GMTrewrittenrewritten
152.252.63.x/242024-11-12 19:39:40 GMTrewrittenrewritten
187.9.122.x/242024-05-10 18:00:47 GMTrewrittenrewritten
2804:18:8xx::/402024-04-12 12:18:30 GMTblockedblocked
2804:18:9xx::/402024-08-02 21:33:08 GMTblockedblocked
2804:18:10xx::/402024-02-13 18:02:24 GMTblockedblocked
2804:18:18xx::/402024-08-23 22:47:21 GMTblockedblocked
2804:18:19xx::/402024-10-29 23:03:44 GMTblockedblocked
2804:18:68xx::/402024-03-26 18:20:54 GMTblockedblocked

Customers of AS 10429 we have spoofer tests from

This is the list of directly connected customers of AS 10429 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.

ASNCountryNumber of Prefixes
in Customer Cone
Number of ASes
in Customer Cone
Recent
tests
Spoof
Routable
267123bra (Brazil)20AS 267123 testsreceived
61588bra (Brazil)4712AS 61588 testsreceived
263880bra (Brazil)10738AS 263880 testsreceived
28358bra (Brazil)70AS 28358 testsblocked
262731bra (Brazil)187AS 262731 testsblocked
263329bra (Brazil)2110AS 263329 testsblocked
27699bra (Brazil)870AS 27699 testsblocked
18881bra (Brazil)1396AS 18881 testsblocked
26599bra (Brazil)2111AS 26599 testsblocked
23106bra (Brazil)833299AS 23106 testsblocked
28146bra (Brazil)855311AS 28146 testsblocked
6057ury (Uruguay)1349209AS 6057 testsblocked
262287bra (Brazil)390159AS 262287 testsblocked
13335 (CLOUDFLARENET)vnm (Vietnam)274992131AS 13335 testsblocked

Address Space Announcement History

The customer cone for 10429 is too large for a prefix list to be useful.

Last Modified