Session Report
Summary:
Test run at: 2016-11-23 20:20:25 GMT
Client Prefix (v4): 173.254.254.x/24
Client AS (v4): 8100 (ASN-QUADRANET-GLOBAL)
IPv4 Probes: 104
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. |
IPv4 Adjacent Netblock Testing:
Your host (173.254.254.x/24) can spoof 0 neighboring addresses
Spoofed source address (anon) | Prefix Length | ASN of spoofed source address | Received |
173.254.254.x/24 | /31 | 8100 | sendto |
173.254.254.x/24 | /30 | 8100 | sendto |
173.254.254.x/24 | /29 | 8100 | sendto |
173.254.254.x/24 | /28 | 8100 | sendto |
173.254.254.x/24 | /27 | 8100 | sendto |
173.254.254.x/24 | /26 | 8100 | sendto |
173.254.254.x/24 | /25 | 8100 | sendto |
173.254.254.x/24 | /24 | 8100 | sendto |
173.254.255.x/24 | /23 | 8100 | sendto |
173.254.252.x/24 | /22 | 8100 | sendto |
173.254.250.x/24 | /21 | 8100 | sendto |
173.254.246.x/24 | /20 | 8100 | sendto |
173.254.238.x/24 | /19 | 8100 | sendto |
173.254.222.x/24 | /18 | 8100 | sendto |
173.254.190.x/24 | /17 | 393423 | sendto |
173.254.126.x/24 | /16 | 46606 | sendto |
173.255.254.x/24 | /15 | 63949 | sendto |
173.252.254.x/24 | /14 | 20248 | sendto |
173.250.254.x/24 | /13 | 73 | sendto |
173.246.254.x/24 | /12 | 26801 | sendto |
173.238.254.x/24 | /11 | 7992 | sendto |
173.222.254.x/24 | /10 | 35994 | sendto |
173.190.254.x/24 | /9 | 7029 | sendto |
173.126.254.x/24 | /8 | 3651 | 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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and invite users to join the Spoofer
Users Mailing List for discussion and announcements.