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Session Report

Summary:
Test run at: 2021-06-11 17:02:55 GMT
Client Prefix (v4): 201.150.167.x/24
Client AS (v4): 27839
IPv4 Probes: 66
Outbound spoofing summary (from the client to our server)
Source address type IPv4
Private - RFC1918 unknown
Routable rewritten
Largest spoofable neighbor prefix length none

Meaning of result status in column:

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 (201.150.167.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
201.150.167.x/24/3127839sendto
201.150.167.x/24/3027839sendto
201.150.167.x/24/2927839sendto
201.150.167.x/24/2827839sendto
201.150.167.x/24/2727839sendto
201.150.167.x/24/2627839sendto
201.150.167.x/24/2527839sendto
201.150.167.x/24/2427839sendto
201.150.166.x/24/2327839sendto
201.150.165.x/24/2227839sendto
201.150.163.x/24/2127839sendto
201.150.175.x/24/2027839sendto
201.150.183.x/24/1927839sendto
201.150.135.x/24/18UNROUTEDsendto
201.150.231.x/24/1728378sendto
201.150.39.x/24/1628546sendto
201.151.167.x/24/1511172sendto
201.148.167.x/24/1461865sendto
201.146.167.x/24/138151sendto
201.158.167.x/24/126503sendto
201.134.167.x/24/118151sendto
201.182.167.x/24/10267554sendto
201.214.167.x/24/922047sendto
201.22.167.x/24/818881sendto

Meaning of status in Received column:

sendtoThe spoofer client was unable to send spoofed headers due to an operating system restriction.

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.
Last Modified