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Session Report

Summary:
Test run at: 2017-11-12 20:23:07 GMT
Client Prefix (v4): 203.167.7.x/24
Client AS (v4): 32613 (IWEB-AS)
IPv4 Probes: 105
Outbound spoofing summary (from the client to our server)
Source address type IPv4
Private - RFC1918 blocked
Routable blocked
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.
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 (203.167.7.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
203.167.7.x/24/3132613natblock
203.167.7.x/24/3032613natblock
203.167.7.x/24/2932613natblock
203.167.7.x/24/2832613natblock
203.167.7.x/24/2732613natblock
203.167.7.x/24/2632613natblock
203.167.7.x/24/2532613natblock
203.167.7.x/24/2432613natblock
203.167.6.x/24/239334natblock
203.167.5.x/24/229334natblock
203.167.3.x/24/219334natblock
203.167.15.x/24/2031972natblock
203.167.23.x/24/1962468natblock
203.167.39.x/24/1810021natblock
203.167.71.x/24/179658natblock
203.167.135.x/24/164768natblock
203.166.7.x/24/15703natblock
203.165.7.x/24/149824natblock
203.163.7.x/24/13UNROUTEDnatblock
203.175.7.x/24/1238000natblock
203.183.7.x/24/112554natblock
203.135.7.x/24/109557natblock
203.231.7.x/24/99848natblock
203.39.7.x/24/81221natblock

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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