Session Report
Summary:
Test run at: 2020-10-09 03:57:24 GMT
Client Prefix (v4): 91.219.236.x/24
Client AS (v4): 56322 (ServerAstra-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 |
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 (91.219.236.x/24) can spoof 0 neighboring addresses
Spoofed source address (anon) | Prefix Length | ASN of spoofed source address | Received |
91.219.236.x/24 | /31 | 56322 | natblock |
91.219.236.x/24 | /30 | 56322 | natblock |
91.219.236.x/24 | /29 | 56322 | natblock |
91.219.236.x/24 | /28 | 56322 | natblock |
91.219.236.x/24 | /27 | 56322 | natblock |
91.219.236.x/24 | /26 | 56322 | natblock |
91.219.236.x/24 | /25 | 56322 | natblock |
91.219.236.x/24 | /24 | 56322 | natblock |
91.219.237.x/24 | /23 | 56322 | natblock |
91.219.238.x/24 | /22 | 56322 | natblock |
91.219.232.x/24 | /21 | 41161 | natblock |
91.219.228.x/24 | /20 | 15673 | natblock |
91.219.252.x/24 | /19 | 48230 | natblock |
91.219.204.x/24 | /18 | 51715 | natblock |
91.219.172.x/24 | /17 | 51726 | natblock |
91.219.108.x/24 | /16 | 39647 | natblock |
91.218.236.x/24 | /15 | 209574 | natblock |
91.217.236.x/24 | /14 | 48806 | natblock |
91.223.236.x/24 | /13 | 47959 | natblock |
91.211.236.x/24 | /12 | 48758 | natblock |
91.203.236.x/24 | /11 | 13296 | natblock |
91.251.236.x/24 | /10 | 197207 | natblock |
91.155.236.x/24 | /9 | 719 | natblock |
91.91.236.x/24 | /8 | 35238 | natblock |
Meaning of status in Received column:
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.
Feedback:
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