Session Report
Summary:
Test run at: 2017-01-08 11:47:03 GMT
Client Prefix (v4): 104.200.131.x/24
Client AS (v4): 63473 (HOSTHATCH)
IPv4 Probes: 91
| 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 (104.200.131.x/24) can spoof 0 neighboring addresses
| Spoofed source address (anon) | Prefix
Length | ASN of spoofed
source address | Received |
|---|
| 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 | UNROUTED | sendto |
| 104.72.131.x/24 | /8 | 35994 | 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:
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.
