Test run at: 2019-01-06 11:47:01 GMT
Client Prefix (v4): 104.200.131.x/24
Client AS (v4): 63473 (HOSTHATCH)
IPv4 Probes: 124
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:
IPv4 Adjacent Netblock Testing:
Your host (104.200.131.x/24) can spoof 0 neighboring addresses
Spoofed source address (anon) Prefix
LengthASN of spoofed
source addressReceived 104.200.131.x/24 /31 63473 sendto 104.200.131.x/24 /30 63473 sendto 104.200.131.x/24 /29 63473 sendto 104.200.131.x/24 /28 63473 sendto 104.200.131.x/24 /27 63473 sendto 104.200.131.x/24 /26 63473 sendto 104.200.131.x/24 /25 63473 sendto 104.200.131.x/24 /24 63473 sendto 104.200.130.x/24 /23 46562 sendto 104.200.129.x/24 /22 46562 sendto 104.200.135.x/24 /21 46562 sendto 104.200.139.x/24 /20 46562 sendto 104.200.147.x/24 /19 46562 sendto 104.200.163.x/24 /18 8100 sendto 104.200.195.x/24 /17 35908 sendto 104.200.3.x/24 /16 53791 sendto 104.201.131.x/24 /15 29848 sendto 104.202.131.x/24 /14 18978 sendto 104.204.131.x/24 /13 19397 sendto 104.192.131.x/24 /12 32448 sendto 104.216.131.x/24 /11 40676 sendto 104.232.131.x/24 /10 22552 sendto 104.136.131.x/24 /9 33363 sendto 104.72.131.x/24 /8 16625 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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