Session Report
Summary:
Test run at: 2020-09-08 07:48:37 GMT
Client Prefix (v4): 103.107.198.x/24
Client AS (v4): 137409 (GSLNETWORKS-AS-AP)
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 (103.107.198.x/24) can spoof 0 neighboring addresses
Spoofed source address (anon) | Prefix Length | ASN of spoofed source address | Received |
103.107.198.x/24 | /31 | 137409 | natblock |
103.107.198.x/24 | /30 | 137409 | natblock |
103.107.198.x/24 | /29 | 137409 | natblock |
103.107.198.x/24 | /28 | 137409 | natblock |
103.107.198.x/24 | /27 | 137409 | natblock |
103.107.198.x/24 | /26 | 137409 | natblock |
103.107.198.x/24 | /25 | 137409 | natblock |
103.107.198.x/24 | /24 | 137409 | natblock |
103.107.199.x/24 | /23 | 137409 | natblock |
103.107.196.x/24 | /22 | 137409 | natblock |
103.107.194.x/24 | /21 | UNROUTED | natblock |
103.107.206.x/24 | /20 | UNROUTED | natblock |
103.107.214.x/24 | /19 | 4837 | natblock |
103.107.230.x/24 | /18 | 137419 | natblock |
103.107.134.x/24 | /17 | 137416 | natblock |
103.107.70.x/24 | /16 | UNROUTED | natblock |
103.106.198.x/24 | /15 | UNROUTED | natblock |
103.105.198.x/24 | /14 | 137244 | natblock |
103.111.198.x/24 | /13 | 133823 | natblock |
103.99.198.x/24 | /12 | 133676 | natblock |
103.123.198.x/24 | /11 | 131149 | natblock |
103.75.198.x/24 | /10 | 133227 | natblock |
103.43.198.x/24 | /9 | UNROUTED | natblock |
103.235.198.x/24 | /8 | 4007 | 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.
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