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Session Report

Summary:
Test run at: 2022-07-09 05:36:41 GMT
Client Prefix (v4): 13.84.158.x/24
Client AS (v4): 8075 (MICROSOFT-CORP-MSN-AS-BLOCK)
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 (13.84.158.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
13.84.158.x/24/318075natblock
13.84.158.x/24/308075natblock
13.84.158.x/24/298075natblock
13.84.158.x/24/288075natblock
13.84.158.x/24/278075natblock
13.84.158.x/24/268075natblock
13.84.158.x/24/258075natblock
13.84.158.x/24/248075natblock
13.84.159.x/24/238075natblock
13.84.156.x/24/228075natblock
13.84.154.x/24/218075natblock
13.84.150.x/24/208075natblock
13.84.142.x/24/198075natblock
13.84.190.x/24/188075natblock
13.84.222.x/24/178075natblock
13.84.30.x/24/168075natblock
13.85.158.x/24/158075natblock
13.86.158.x/24/148075natblock
13.80.158.x/24/138075natblock
13.92.158.x/24/128075natblock
13.68.158.x/24/118075natblock
13.116.158.x/24/10UNROUTEDnatblock
13.20.158.x/24/9395959natblock
13.212.158.x/24/816509natblock

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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