Session Report
Test run at: 2017-11-27 02:46:53 GMT
Client Prefix (v4): 176.31.55.x/24
Client AS (v4): 16276 (OVH)
IPv4 Probes: 102
Outbound spoofing summary (from the client to our server) Source address type IPv4 Private - RFC1918 unknown Routable unknown Largest spoofable neighbor prefix length none
Spoof status key received Spoofed packet was received. ✔ Pattern of tests from this IP block indicates a switch from allowing spoofing to blocking it. rewritten Spoofed packet was received, but the source address was changed en route. blocked Spoofed packet was not received, but unspoofed packet was. unknown Neither spoofed nor unspoofed packet was received.
Warnings:
- ⚠️ The spoofer client was unable to send spoofed headers due to an operating system restriction.
IPv4 Adjacent Netblock Testing:
Your host (176.31.55.x/24) can spoof 0 neighboring addresses
Spoofed source address (anon) Prefix
LengthASN of spoofed
source addressReceived 176.31.55.x/24 /31 16276 sendto 176.31.55.x/24 /30 16276 sendto 176.31.55.x/24 /29 16276 sendto 176.31.55.x/24 /28 16276 sendto 176.31.55.x/24 /27 16276 sendto 176.31.55.x/24 /26 16276 sendto 176.31.55.x/24 /25 16276 sendto 176.31.55.x/24 /24 16276 sendto 176.31.54.x/24 /23 16276 sendto 176.31.53.x/24 /22 16276 sendto 176.31.51.x/24 /21 16276 sendto 176.31.63.x/24 /20 16276 sendto 176.31.39.x/24 /19 16276 sendto 176.31.23.x/24 /18 16276 sendto 176.31.119.x/24 /17 16276 sendto 176.31.183.x/24 /16 16276 sendto 176.30.55.x/24 /15 UNROUTED sendto 176.29.55.x/24 /14 UNROUTED sendto 176.27.55.x/24 /13 5607 sendto 176.23.55.x/24 /12 3292 sendto 176.15.55.x/24 /11 8402 sendto 176.63.55.x/24 /10 6830 sendto 176.95.55.x/24 /9 3209 sendto 176.159.55.x/24 /8 5410 sendto Meaning of status in Received column:
sendto The 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:
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