Session Report
Summary:
Test run at: 2017-06-10 12:39:18 GMT
Client Prefix (v4): 216.126.199.x/24
Client AS (v4): 31863 (DACEN-2)
IPv4 Probes: 119
| 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 (216.126.199.x/24) can spoof 0 neighboring addresses
| Spoofed source address (anon) | Prefix
Length | ASN of spoofed
source address | Received |
|---|
| 216.126.199.x/24 | /31 | 31863 | no |
| 216.126.199.x/24 | /30 | 31863 | no |
| 216.126.199.x/24 | /29 | 31863 | no |
| 216.126.199.x/24 | /28 | 31863 | no |
| 216.126.199.x/24 | /27 | 31863 | no |
| 216.126.199.x/24 | /26 | 31863 | no |
| 216.126.199.x/24 | /25 | 31863 | no |
| 216.126.199.x/24 | /24 | 31863 | no |
| 216.126.198.x/24 | /23 | 31863 | no |
| 216.126.197.x/24 | /22 | 31863 | no |
| 216.126.195.x/24 | /21 | 31863 | no |
| 216.126.207.x/24 | /20 | 19817 | no |
| 216.126.215.x/24 | /19 | 54869 | no |
| 216.126.231.x/24 | /18 | UNROUTED | no |
| 216.126.135.x/24 | /17 | 6316 | no |
| 216.126.71.x/24 | /16 | 10678 | no |
| 216.127.199.x/24 | /15 | 36001 | no |
| 216.124.199.x/24 | /14 | 6325 | no |
| 216.122.199.x/24 | /13 | 13768 | no |
| 216.118.199.x/24 | /12 | 3561 | no |
| 216.110.199.x/24 | /11 | 13692 | no |
| 216.94.199.x/24 | /10 | 701 | no |
| 216.62.199.x/24 | /9 | 7018 | no |
| 216.254.199.x/24 | /8 | 6407 | no |
Meaning of status in Received column:
| no | Packets spoofed from adjacent netblock were not received, probably due to blocking |
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.
