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Session Report

Summary:
Test run at: 2022-09-16 10:12:22 GMT
Client Prefix (v4): 211.106.13.x/24
Client AS (v4): 4766 (KIXS-AS-KR)
IPv4 Probes: 60
Outbound spoofing summary (from the client to our server)
Source address type IPv4
Private - RFC1918 blocked
Routable blocked
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.
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 (211.106.13.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
211.106.13.x/24/314766natblock
211.106.13.x/24/304766natblock
211.106.13.x/24/294766natblock
211.106.13.x/24/284766natblock
211.106.13.x/24/274766natblock
211.106.13.x/24/264766natblock
211.106.13.x/24/254766natblock
211.106.13.x/24/244766natblock
211.106.12.x/24/234766natblock
211.106.15.x/24/224766natblock
211.106.9.x/24/214766natblock
211.106.5.x/24/204766natblock
211.106.29.x/24/194766natblock
211.106.45.x/24/184766natblock
211.106.77.x/24/174766natblock
211.106.141.x/24/164766natblock
211.107.13.x/24/154766natblock
211.104.13.x/24/144766natblock
211.110.13.x/24/139318natblock
211.98.13.x/24/129394natblock
211.122.13.x/24/114713natblock
211.74.13.x/24/104780natblock
211.42.13.x/24/99316natblock
211.234.13.x/24/83786natblock

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 unable to spoof routable, non-adjacent source addresses through even the first IP hop.
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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