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Session Report

Summary:
Test run at: 2023-10-05 06:47:54 GMT
Client Prefix (v4): 185.224.57.x/24
Client AS (v4): 49419 (CANDIDATOR-AB)
IPv4 Probes: 69
Outbound spoofing summary (from the client to our server)
Source address type IPv4
Private - RFC1918 unknown
Routable unknown
Largest spoofable neighbor prefix length none
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.

Warnings:

IPv4 AS Route:
This test run probed the following paths in order to infer your ability to send different spoofed source packets. Each node in the graph corresponds to an autonomous system, i.e. different Internet service providers. NOTE: This graph does NOT show if an AS blocks spoofed packets, only the path taken by received spoofed packets. The IP Path Details are available for this run. If non-spoofed packets weren't received at a destination, the traceroute to that destination is not included in this graph and may even cause a totally empty graph.

  

  

IPv4 Adjacent Netblock Testing:

Your host (185.224.57.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
185.224.57.x/24/3149419natblock
185.224.57.x/24/3049419natblock
185.224.57.x/24/2949419natblock
185.224.57.x/24/2849419natblock
185.224.57.x/24/2749419natblock
185.224.57.x/24/2649419natblock
185.224.57.x/24/2549419natblock
185.224.57.x/24/2449419natblock
185.224.56.x/24/2349419natblock
185.224.59.x/24/2249419natblock
185.224.61.x/24/2121056natblock
185.224.49.x/24/2060267natblock
185.224.41.x/24/19196810natblock
185.224.25.x/24/1812453natblock
185.224.121.x/24/1724953natblock
185.224.185.x/24/16201942natblock
185.225.57.x/24/15UNROUTEDnatblock
185.226.57.x/24/14UNROUTEDnatblock
185.228.57.x/24/13UNROUTEDnatblock
185.232.57.x/24/12135391natblock
185.240.57.x/24/11UNROUTEDnatblock
185.192.57.x/24/10136796natblock
185.160.57.x/24/9202022natblock
185.96.57.x/24/8202592natblock

Meaning of status in Received column:

natblockSpoofed probe packets appear to be blocked by your local NAT or firewall rather than being rewritten with a public source address.

IPv4 Outbound Filtering Depth:

The tracefilter test found your host able to spoof routable, non-adjacent source addresses through the first 1 IP hop(s).
Summary:
The results from all tests are aggregated to produce a summary "State of IP Spoofing" report.
Feedback:
We welcome questions and feedback to the Spoofer Information Mailing List and invite users to join the Spoofer Users Mailing List for discussion and announcements.
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