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Session Report

Summary:
Test run at: 2022-01-20 23:21:22 GMT
Client Prefix (v4): 84.7.253.x/24
Client AS (v4): 8228 (CEGETEL-AS)
IPv4 Probes: 63
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 (84.7.253.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
84.7.253.x/24/318228rewritten
84.7.253.x/24/308228rewritten
84.7.253.x/24/298228rewritten
84.7.253.x/24/288228rewritten
84.7.253.x/24/278228rewritten
84.7.253.x/24/268228rewritten
84.7.253.x/24/258228rewritten
84.7.253.x/24/248228rewritten
84.7.252.x/24/238228rewritten
84.7.255.x/24/228228rewritten
84.7.249.x/24/218228rewritten
84.7.245.x/24/208228rewritten
84.7.237.x/24/198228rewritten
84.7.221.x/24/188228rewritten
84.7.189.x/24/178228rewritten
84.7.125.x/24/168228rewritten
84.6.253.x/24/158228rewritten
84.5.253.x/24/148228rewritten
84.3.253.x/24/135483rewritten
84.15.253.x/24/1213194rewritten
84.23.253.x/24/1134171rewritten
84.39.253.x/24/1041704rewritten
84.71.253.x/24/95378rewritten
84.135.253.x/24/83320rewritten

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 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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