Session Report
Summary:
Test run at: 2016-12-03 17:59:09 GMT
Client Prefix (v4): 128.74.242.x/24
Client AS (v4): 29125 (TATINT-AS)
IPv4 Probes: 104
| Outbound spoofing summary (from the client to our server) |
|---|
| Source address type |
IPv4 |
|---|
| Private -
RFC1918 |
unknown |
| Routable |
received |
| 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 (128.74.242.x/24) can spoof 0 neighboring addresses
| Spoofed source address (anon) | Prefix
Length | ASN of spoofed
source address | Received |
|---|
| 128.74.242.x/24 | /31 | 29125 | sendto |
| 128.74.242.x/24 | /30 | 29125 | sendto |
| 128.74.242.x/24 | /29 | 29125 | sendto |
| 128.74.242.x/24 | /28 | 29125 | sendto |
| 128.74.242.x/24 | /27 | 29125 | sendto |
| 128.74.242.x/24 | /26 | 29125 | sendto |
| 128.74.242.x/24 | /25 | 29125 | sendto |
| 128.74.242.x/24 | /24 | 29125 | sendto |
| 128.74.243.x/24 | /23 | 29125 | sendto |
| 128.74.240.x/24 | /22 | 29125 | sendto |
| 128.74.246.x/24 | /21 | 29125 | sendto |
| 128.74.250.x/24 | /20 | 3216 | sendto |
| 128.74.226.x/24 | /19 | 3216 | sendto |
| 128.74.210.x/24 | /18 | 8402 | sendto |
| 128.74.178.x/24 | /17 | 3216 | sendto |
| 128.74.114.x/24 | /16 | 3216 | sendto |
| 128.75.242.x/24 | /15 | 8402 | sendto |
| 128.72.242.x/24 | /14 | 8402 | sendto |
| 128.78.242.x/24 | /13 | 5410 | sendto |
| 128.66.242.x/24 | /12 | 24608 | sendto |
| 128.90.242.x/24 | /11 | UNROUTED | sendto |
| 128.106.242.x/24 | /10 | 9506 | sendto |
| 128.10.242.x/24 | /9 | 17 | sendto |
| 128.202.242.x/24 | /8 | 391 | 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.
