Session Report
Summary:
Test run at: 2022-04-13 11:11:38 GMT
Client Prefix (v4): 92.119.159.x/24
Client AS (v4): 44812 (IPSERVER-RU-NET)
IPv4 Probes: 60
| 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 (92.119.159.x/24) can spoof 0 neighboring addresses
| Spoofed source address (anon) | Prefix
Length | ASN of spoofed
source address | Received |
|---|
| 92.119.159.x/24 | /31 | 44812 | no |
| 92.119.159.x/24 | /30 | 44812 | no |
| 92.119.159.x/24 | /29 | 44812 | no |
| 92.119.159.x/24 | /28 | 44812 | no |
| 92.119.159.x/24 | /27 | 44812 | no |
| 92.119.159.x/24 | /26 | 44812 | no |
| 92.119.159.x/24 | /25 | 44812 | no |
| 92.119.159.x/24 | /24 | 44812 | no |
| 92.119.158.x/24 | /23 | 207704 | no |
| 92.119.157.x/24 | /22 | 55286 | no |
| 92.119.155.x/24 | /21 | 203061 | no |
| 92.119.151.x/24 | /20 | 57878 | no |
| 92.119.143.x/24 | /19 | UNROUTED | no |
| 92.119.191.x/24 | /18 | UNROUTED | no |
| 92.119.223.x/24 | /17 | 1820 | no |
| 92.119.31.x/24 | /16 | 202591 | no |
| 92.118.159.x/24 | /15 | 44043 | no |
| 92.117.159.x/24 | /14 | 8881 | no |
| 92.115.159.x/24 | /13 | 8926 | no |
| 92.127.159.x/24 | /12 | 12389 | no |
| 92.103.159.x/24 | /11 | 12670 | no |
| 92.87.159.x/24 | /10 | 9050 | no |
| 92.55.159.x/24 | /9 | UNROUTED | no |
| 92.247.159.x/24 | /8 | 29580 | 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.
Feedback:
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Users Mailing List for discussion and announcements.
