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Session Report

Summary:
Test run at: 2017-06-03 08:36:46 GMT
Client Prefix (v4): 77.45.242.x/24
Client AS (v4): 21017 (VSI-AS)
IPv4 Probes: 118
Outbound spoofing summary (from the client to our server)
Source address type IPv4
Private - RFC1918 rewritten
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 (77.45.242.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
77.45.242.x/24/3121017rewritten
77.45.242.x/24/3021017rewritten
77.45.242.x/24/2921017rewritten
77.45.242.x/24/2821017rewritten
77.45.242.x/24/2721017rewritten
77.45.242.x/24/2621017rewritten
77.45.242.x/24/2521017rewritten
77.45.242.x/24/2421017rewritten
77.45.243.x/24/2321017rewritten
77.45.240.x/24/2221017rewritten
77.45.246.x/24/2121017rewritten
77.45.250.x/24/2021017rewritten
77.45.226.x/24/1921017rewritten
77.45.210.x/24/1821017rewritten
77.45.178.x/24/1721017rewritten
77.45.114.x/24/1635191rewritten
77.44.242.x/24/1529256rewritten
77.47.242.x/24/1425500rewritten
77.41.242.x/24/1334747rewritten
77.37.242.x/24/1242610rewritten
77.61.242.x/24/111136rewritten
77.13.242.x/24/106805rewritten
77.109.242.x/24/921366rewritten
77.173.242.x/24/81136rewritten

Meaning of status in Received column:

rewrittenThe source address of the probe packets we received differs from the spoofed address. It appears that an intermediate device is rewriting your packet headers.

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.
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