Session Report
Summary:
Test run at: 2020-09-03 04:12:03 GMT
Client Prefix (v4): 185.92.25.x/24
Client AS (v4): 13213 (UK2NET-AS)
IPv4 Probes: 75
Outbound spoofing summary (from the client to our server) |
Source address type |
IPv4 |
Private -
RFC1918 |
blocked |
Routable |
blocked |
Largest spoofable neighbor prefix length |
/27 |
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 (185.92.25.x/24) can spoof 31 neighboring addresses (within your /27 prefix)
Spoofed source address (anon) | Prefix Length | ASN of spoofed source address | Received |
185.92.25.x/24 | /31 | 13213 | natblock |
185.92.25.x/24 | /30 | 13213 | natblock |
185.92.25.x/24 | /29 | 13213 | natblock |
185.92.25.x/24 | /28 | 13213 | natblock |
185.92.25.x/24 | /27 | 13213 | yes |
185.92.25.x/24 | /26 | 13213 | natblock |
185.92.25.x/24 | /25 | 13213 | natblock |
185.92.25.x/24 | /24 | 13213 | natblock |
185.92.24.x/24 | /23 | 38001 | natblock |
185.92.27.x/24 | /22 | 39855 | natblock |
185.92.29.x/24 | /21 | 29256 | natblock |
185.92.17.x/24 | /20 | UNROUTED | natblock |
185.92.9.x/24 | /19 | 35690 | natblock |
185.92.57.x/24 | /18 | 200883 | natblock |
185.92.89.x/24 | /17 | 29256 | natblock |
185.92.153.x/24 | /16 | 49603 | natblock |
185.93.25.x/24 | /15 | 42093 | natblock |
185.94.25.x/24 | /14 | 62537 | natblock |
185.88.25.x/24 | /13 | 201031 | natblock |
185.84.25.x/24 | /12 | UNROUTED | natblock |
185.76.25.x/24 | /11 | UNROUTED | natblock |
185.124.25.x/24 | /10 | 12479 | natblock |
185.28.25.x/24 | /9 | UNROUTED | natblock |
185.220.25.x/24 | /8 | 12637 | natblock |
Meaning of status in Received column:
yes | Packets spoofed from adjacent netblock were received (but that netblock is within the source AS) |
natblock | Spoofed probe packets appear to be blocked by your local NAT or firewall rather than being rewritten with a public source address. |
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.
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