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Spoofing Information for AS 4826 (VOCUS-BACKBONE-AS)

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
49.255.248.x/242024-06-30 02:55:19 GMTblockedblocked
175.45.85.x/242025-03-17 06:57:21 GMTblockedblocked

Customers of AS 4826 we have spoofer tests from

This is the list of directly connected customers of AS 4826 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
150004aus (Australia)20AS 150004 testsreceived
14061 (DIGITALOCEAN-ASN)nld (Netherlands)1982AS 14061 testsblocked
14061 (DIGITALOCEAN-ASN)usa (United States)1982AS 14061 testsblocked
14061 (DIGITALOCEAN-ASN)gbr (United Kingdom)1982AS 14061 testsblocked
14593 (SPACEX-STARLINK)nga (Nigeria)2276AS 14593 testsblocked
9500 (VODAFONE-TRANSIT-AS)nzl (New Zealand)49444AS 9500 testsblocked
31898 (ORACLE-BMC-31898)usa (United States)112720AS 31898 testsblocked
1221 (ASN-TELSTRA)aus (Australia)424542337AS 1221 testsblocked
20473 (AS-CHOOPA)usa (United States)828336944AS 20473 testsblocked
13335 (CLOUDFLARENET)usa (United States)1036619579AS 13335 testsblocked

Address Space Announcement History

The customer cone for 4826 is too large for a prefix list to be useful.

Last Modified