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Session Report

Summary:
Test run at: 2021-12-07 11:09:54 GMT
Client Prefix (v4): 177.131.178.x/24
Client AS (v4): 28210
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
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 (177.131.178.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
177.131.178.x/24/3128210sendto
177.131.178.x/24/3028210sendto
177.131.178.x/24/2928210sendto
177.131.178.x/24/2828210sendto
177.131.178.x/24/2728210sendto
177.131.178.x/24/2628210sendto
177.131.178.x/24/2528210sendto
177.131.178.x/24/2428210sendto
177.131.179.x/24/2328210sendto
177.131.176.x/24/2228210sendto
177.131.182.x/24/2128210sendto
177.131.186.x/24/2028210sendto
177.131.162.x/24/1928210sendto
177.131.146.x/24/1852875sendto
177.131.242.x/24/1728615sendto
177.131.50.x/24/16262387sendto
177.130.178.x/24/1528202sendto
177.129.178.x/24/1452876sendto
177.135.178.x/24/1318881sendto
177.139.178.x/24/1227699sendto
177.147.178.x/24/1126599sendto
177.163.178.x/24/1026599sendto
177.195.178.x/24/928573sendto
177.3.178.x/24/88167sendto

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 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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