Session Report
Summary:
Test run at: 2020-08-24 22:50:57 GMT
Client Prefix (v4): 91.207.57.x/24
Client AS (v4): 9009 (M247)
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 |
|---|
| 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 (91.207.57.x/24) can spoof 0 neighboring addresses
| Spoofed source address (anon) | Prefix
Length | ASN of spoofed
source address | Received |
|---|
| 91.207.57.x/24 | /31 | 9009 | sendto |
| 91.207.57.x/24 | /30 | 9009 | sendto |
| 91.207.57.x/24 | /29 | 9009 | sendto |
| 91.207.57.x/24 | /28 | 9009 | sendto |
| 91.207.57.x/24 | /27 | 9009 | sendto |
| 91.207.57.x/24 | /26 | 9009 | sendto |
| 91.207.57.x/24 | /25 | 9009 | sendto |
| 91.207.57.x/24 | /24 | 9009 | sendto |
| 91.207.56.x/24 | /23 | 9009 | sendto |
| 91.207.59.x/24 | /22 | 48061 | sendto |
| 91.207.61.x/24 | /21 | 48031 | sendto |
| 91.207.49.x/24 | /20 | 24578 | sendto |
| 91.207.41.x/24 | /19 | 47974 | sendto |
| 91.207.25.x/24 | /18 | 47934 | sendto |
| 91.207.121.x/24 | /17 | 48112 | sendto |
| 91.207.185.x/24 | /16 | 203821 | sendto |
| 91.206.57.x/24 | /15 | 47470 | sendto |
| 91.205.57.x/24 | /14 | 35721 | sendto |
| 91.203.57.x/24 | /13 | 44934 | sendto |
| 91.199.57.x/24 | /12 | 44190 | sendto |
| 91.223.57.x/24 | /11 | 199381 | sendto |
| 91.239.57.x/24 | /10 | UNROUTED | sendto |
| 91.143.57.x/24 | /9 | 41822 | sendto |
| 91.79.57.x/24 | /8 | 8359 | 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
able to spoof routable, non-adjacent source addresses through the
first 1 IP hop(s).
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.
