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Session Report

Summary:
Test run at: 2023-02-16 07:00:17 GMT
Client Prefix (v4): 194.87.191.x/24
Client AS (v4): 41745 (FORTIS-AS)
IPv4 Probes: 60
Outbound spoofing summary (from the client to our server)
Source address type IPv4
Private - RFC1918 blocked
Routable blocked
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.

IPv4 Adjacent Netblock Testing:

Your host (194.87.191.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
194.87.191.x/24/3141745no
194.87.191.x/24/3041745no
194.87.191.x/24/2941745no
194.87.191.x/24/2841745no
194.87.191.x/24/2741745no
194.87.191.x/24/2641745no
194.87.191.x/24/2541745no
194.87.191.x/24/2441745no
194.87.190.x/24/2315731no
194.87.189.x/24/2226383no
194.87.187.x/24/2115731no
194.87.183.x/24/20206446no
194.87.175.x/24/1941082no
194.87.159.x/24/1812668no
194.87.255.x/24/17138687no
194.87.63.x/24/16205220no
194.86.191.x/24/15719no
194.85.191.x/24/14UNROUTEDno
194.83.191.x/24/13786no
194.95.191.x/24/12680no
194.71.191.x/24/1121250no
194.119.191.x/24/108426no
194.23.191.x/24/93301no
194.215.191.x/24/81759no

Meaning of status in Received column:

noPackets spoofed from adjacent netblock were not received, probably due to blocking

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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