Session Report
Summary:
Test run at: 2022-09-09 20:12:48 GMT
Client Prefix (v4): 131.0.63.x/24
Client AS (v4): 61704
IPv4 Probes: 60
Outbound spoofing summary (from the client to our server) |
Source address type |
IPv4 |
Private -
RFC1918 |
blocked |
Routable |
received |
Largest spoofable neighbor prefix length |
/8 |
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 (131.0.63.x/24) can spoof 16777215 neighboring addresses (within your /8 prefix)
Spoofed source address (anon) | Prefix Length | ASN of spoofed source address | Received |
131.0.63.x/24 | /31 | 61704 | no |
131.0.63.x/24 | /30 | 61704 | no |
131.0.63.x/24 | /29 | 61704 | yes |
131.0.63.x/24 | /28 | 61704 | yes |
131.0.63.x/24 | /27 | 61704 | yes |
131.0.63.x/24 | /26 | 61704 | yes |
131.0.63.x/24 | /25 | 61704 | yes |
131.0.63.x/24 | /24 | 61704 | yes |
131.0.62.x/24 | /23 | 61704 | yes |
131.0.61.x/24 | /22 | 61704 | yes |
131.0.59.x/24 | /21 | 61874 | yes |
131.0.55.x/24 | /20 | 3549 | yes |
131.0.47.x/24 | /19 | 262621 | yes |
131.0.31.x/24 | /18 | 28210 | yes |
131.0.127.x/24 | /17 | 271133 | yes |
131.0.191.x/24 | /16 | 61708 | yes |
131.1.63.x/24 | /15 | 3269 | yes |
131.2.63.x/24 | /14 | 749 | yes |
131.4.63.x/24 | /13 | 721 | yes |
131.8.63.x/24 | /12 | 749 | yes |
131.16.63.x/24 | /11 | 721 | yes |
131.32.63.x/24 | /10 | 385 | yes |
131.64.63.x/24 | /9 | 27064 | yes |
131.128.63.x/24 | /8 | 14348 | yes |
Meaning of status in Received column:
no | Packets spoofed from adjacent netblock were not received, probably due to blocking |
yes | Packets spoofed from adjacent netblock were received |
yes | Packets spoofed from adjacent netblock were received (but that netblock is within the source AS) |
IPv4 Outbound Filtering Depth:
The tracefilter test found your host
able to spoof routable, non-adjacent source addresses through the
first 10 IP hop(s).
Summary:
The results from all tests are aggregated to produce a summary
"State of IP Spoofing" report.
Feedback:
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