Session Report
Summary:
Test run at: 2016-07-27 13:43:31 GMT
Client Prefix (v4): 185.35.108.x/24
Client AS (v4): 201133 (Verdina)
IPv4 Probes: 88
| 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 (185.35.108.x/24) can spoof 0 neighboring addresses
| Spoofed source address (anon) | Prefix
Length | ASN of spoofed
source address | Received |
|---|
| 185.35.108.x/24 | /31 | 201133 | sendto |
| 185.35.108.x/24 | /30 | 201133 | sendto |
| 185.35.108.x/24 | /29 | 201133 | sendto |
| 185.35.108.x/24 | /28 | 201133 | sendto |
| 185.35.108.x/24 | /27 | 201133 | sendto |
| 185.35.108.x/24 | /26 | 201133 | sendto |
| 185.35.108.x/24 | /25 | 201133 | sendto |
| 185.35.108.x/24 | /24 | 201133 | sendto |
| 185.35.109.x/24 | /23 | UNROUTED | sendto |
| 185.35.110.x/24 | /22 | UNROUTED | sendto |
| 185.35.104.x/24 | /21 | UNROUTED | sendto |
| 185.35.100.x/24 | /20 | 31272 | sendto |
| 185.35.124.x/24 | /19 | 60194 | sendto |
| 185.35.76.x/24 | /18 | 50673 | sendto |
| 185.35.44.x/24 | /17 | UNROUTED | sendto |
| 185.35.236.x/24 | /16 | 200150 | sendto |
| 185.34.108.x/24 | /15 | 60214 | sendto |
| 185.33.108.x/24 | /14 | 60283 | sendto |
| 185.39.108.x/24 | /13 | 12360 | sendto |
| 185.43.108.x/24 | /12 | 62217 | sendto |
| 185.51.108.x/24 | /11 | 202147 | sendto |
| 185.3.108.x/24 | /10 | 30848 | sendto |
| 185.99.108.x/24 | /9 | 200677 | sendto |
| 185.163.108.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.
