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Session Report

Summary:
Test run at: 2024-10-15 22:05:09 GMT
Client Prefix (v4): 190.106.89.x/24
Client AS (v4): 271010
IPv4 Probes: 69
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 (190.106.89.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
190.106.89.x/24/31271010sendto
190.106.89.x/24/30271010sendto
190.106.89.x/24/29271010sendto
190.106.89.x/24/28271010sendto
190.106.89.x/24/27271010sendto
190.106.89.x/24/26271010sendto
190.106.89.x/24/25271010sendto
190.106.89.x/24/24271010sendto
190.106.88.x/24/23271010sendto
190.106.91.x/24/22271010sendto
190.106.93.x/24/21270995sendto
190.106.81.x/24/20263764rewritten
190.106.73.x/24/1928022sendto
190.106.121.x/24/1811815sendto
190.106.25.x/24/1719447sendto
190.106.217.x/24/1623243sendto
190.107.89.x/24/15271189sendto
190.104.89.x/24/1461476sendto
190.110.89.x/24/13UNROUTEDsendto
190.98.89.x/24/1227775sendto
190.122.89.x/24/1127988sendto
190.74.89.x/24/108048sendto
190.42.89.x/24/96147sendto
190.234.89.x/24/86147sendto

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.
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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