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Session Report

Summary:
Test run at: 2020-05-29 23:49:11 GMT
Client Prefix (v4): 194.40.243.x/24
Client AS (v4): 48693 (NTSERVICE-AS)
IPv4 Probes: 75
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 (194.40.243.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
194.40.243.x/24/3148693no
194.40.243.x/24/3048693no
194.40.243.x/24/2948693no
194.40.243.x/24/2848693no
194.40.243.x/24/2748693no
194.40.243.x/24/2648693no
194.40.243.x/24/2548693no
194.40.243.x/24/2448693no
194.40.242.x/24/23UNROUTEDno
194.40.241.x/24/22UNROUTEDno
194.40.247.x/24/21208258no
194.40.251.x/24/20UNROUTEDno
194.40.227.x/24/1929166no
194.40.211.x/24/18196846no
194.40.179.x/24/17UNROUTEDno
194.40.115.x/24/1624949no
194.41.243.x/24/1512511no
194.42.243.x/24/148190no
194.44.243.x/24/133255no
194.32.243.x/24/1249505no
194.56.243.x/24/11UNROUTEDno
194.8.243.x/24/10UNROUTEDno
194.104.243.x/24/91103no
194.168.243.x/24/85089no

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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