Session Report
Summary:
Test run at: 2020-02-10 06:47:05 GMT
Client Prefix (v4): 5.189.164.x/24
Client AS (v4): 51167 (CONTABO)
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 (5.189.164.x/24) can spoof 0 neighboring addresses
Spoofed source address (anon) | Prefix Length | ASN of spoofed source address | Received |
5.189.164.x/24 | /31 | 51167 | no |
5.189.164.x/24 | /30 | 51167 | no |
5.189.164.x/24 | /29 | 51167 | no |
5.189.164.x/24 | /28 | 51167 | no |
5.189.164.x/24 | /27 | 51167 | no |
5.189.164.x/24 | /26 | 51167 | no |
5.189.164.x/24 | /25 | 51167 | no |
5.189.164.x/24 | /24 | 51167 | no |
5.189.165.x/24 | /23 | 51167 | no |
5.189.166.x/24 | /22 | 51167 | no |
5.189.160.x/24 | /21 | 51167 | no |
5.189.172.x/24 | /20 | 51167 | no |
5.189.180.x/24 | /19 | 51167 | no |
5.189.132.x/24 | /18 | 51167 | no |
5.189.228.x/24 | /17 | 50340 | no |
5.189.36.x/24 | /16 | 12668 | no |
5.188.164.x/24 | /15 | 56534 | no |
5.191.164.x/24 | /14 | 31721 | no |
5.185.164.x/24 | /13 | 5617 | no |
5.181.164.x/24 | /12 | 40676 | no |
5.173.164.x/24 | /11 | 39603 | no |
5.157.164.x/24 | /10 | 44374 | no |
5.253.164.x/24 | /9 | 209448 | no |
5.61.164.x/24 | /8 | 58243 | 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.
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