Session Report
Summary:
Test run at: 2021-12-14 15:06:42 GMT
Client Prefix (v4): 177.221.141.x/24
Client AS (v4): 270014
IPv4 Probes: 66
| 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 (177.221.141.x/24) can spoof 0 neighboring addresses
| Spoofed source address (anon) | Prefix
Length | ASN of spoofed
source address | Received |
|---|
| 177.221.141.x/24 | /31 | 270014 | no |
| 177.221.141.x/24 | /30 | 270014 | no |
| 177.221.141.x/24 | /29 | 270014 | no |
| 177.221.141.x/24 | /28 | 270014 | no |
| 177.221.141.x/24 | /27 | 270014 | no |
| 177.221.141.x/24 | /26 | 270014 | no |
| 177.221.141.x/24 | /25 | 270014 | no |
| 177.221.141.x/24 | /24 | 270014 | no |
| 177.221.140.x/24 | /23 | 270014 | no |
| 177.221.143.x/24 | /22 | 270735 | no |
| 177.221.137.x/24 | /21 | 270737 | no |
| 177.221.133.x/24 | /20 | 270745 | no |
| 177.221.157.x/24 | /19 | 270730 | no |
| 177.221.173.x/24 | /18 | 28343 | no |
| 177.221.205.x/24 | /17 | 52682 | no |
| 177.221.13.x/24 | /16 | 28294 | no |
| 177.220.141.x/24 | /15 | 14868 | no |
| 177.223.141.x/24 | /14 | 271209 | no |
| 177.217.141.x/24 | /13 | 26615 | no |
| 177.213.141.x/24 | /12 | 26599 | no |
| 177.205.141.x/24 | /11 | 18881 | no |
| 177.253.141.x/24 | /10 | 27831 | no |
| 177.157.141.x/24 | /9 | 18881 | no |
| 177.93.141.x/24 | /8 | 28366 | 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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and invite users to join the Spoofer
Users Mailing List for discussion and announcements.
