Session Report
Summary:
Test run at: 2016-12-22 11:45:34 GMT
Client Prefix (v4): 192.40.95.x/24
Client AS (v4): 46805 (AS-46805)
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 (192.40.95.x/24) can spoof 0 neighboring addresses
| Spoofed source address (anon) | Prefix
Length | ASN of spoofed
source address | Received |
|---|
| 192.40.95.x/24 | /31 | 46805 | sendto |
| 192.40.95.x/24 | /30 | 46805 | sendto |
| 192.40.95.x/24 | /29 | 46805 | sendto |
| 192.40.95.x/24 | /28 | 46805 | sendto |
| 192.40.95.x/24 | /27 | 46805 | sendto |
| 192.40.95.x/24 | /26 | 46805 | sendto |
| 192.40.95.x/24 | /25 | 46805 | sendto |
| 192.40.95.x/24 | /24 | 46805 | sendto |
| 192.40.94.x/24 | /23 | UNROUTED | sendto |
| 192.40.93.x/24 | /22 | 46805 | sendto |
| 192.40.91.x/24 | /21 | 46805 | sendto |
| 192.40.87.x/24 | /20 | 3855 | sendto |
| 192.40.79.x/24 | /19 | 5420 | sendto |
| 192.40.127.x/24 | /18 | 46445 | sendto |
| 192.40.31.x/24 | /17 | 19790 | sendto |
| 192.40.223.x/24 | /16 | 54829 | sendto |
| 192.41.95.x/24 | /15 | 13951 | sendto |
| 192.42.95.x/24 | /14 | 3356 | sendto |
| 192.44.95.x/24 | /13 | 11003 | sendto |
| 192.32.95.x/24 | /12 | UNROUTED | sendto |
| 192.56.95.x/24 | /11 | UNROUTED | sendto |
| 192.8.95.x/24 | /10 | 36224 | sendto |
| 192.104.95.x/24 | /9 | UNROUTED | sendto |
| 192.168.95.x/24 | /8 | UNROUTED | 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.
