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Session Report

Summary:
Test run at: 2019-04-30 07:04:05 GMT
Client Prefix (v4): 188.215.75.x/24
Client AS (v4): 201838 (ASN-COMMUNITYFIBRE)
IPv4 Probes: 93
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 (188.215.75.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
188.215.75.x/24/31201838sendto
188.215.75.x/24/30201838sendto
188.215.75.x/24/29201838sendto
188.215.75.x/24/28201838sendto
188.215.75.x/24/27201838sendto
188.215.75.x/24/26201838sendto
188.215.75.x/24/25201838sendto
188.215.75.x/24/24201838sendto
188.215.74.x/24/23201838sendto
188.215.73.x/24/2248453sendto
188.215.79.x/24/2159747sendto
188.215.67.x/24/2051088sendto
188.215.91.x/24/1957218sendto
188.215.107.x/24/18203600sendto
188.215.11.x/24/17200738sendto
188.215.203.x/24/1658224sendto
188.214.75.x/24/1538466sendto
188.213.75.x/24/1447330sendto
188.211.75.x/24/1312880sendto
188.223.75.x/24/125607sendto
188.199.75.x/24/115603sendto
188.247.75.x/24/1048832sendto
188.151.75.x/24/939651sendto
188.87.75.x/24/812430sendto

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.
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