Session Report
Summary:
Test run at: 2026-04-09 11:26:25 GMT
Client Prefix (v4): 45.67.229.x/24
Client AS (v4): 209847 (THE)
IPv4 Probes: 162
| 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 (45.67.229.x/24) can spoof 0 neighboring addresses
| Spoofed source address (anon) | Prefix
Length | ASN of spoofed
source address | Received |
|---|
| 45.67.229.x/24 | /31 | 209847 | no |
| 45.67.229.x/24 | /30 | 209847 | no |
| 45.67.229.x/24 | /29 | 209847 | no |
| 45.67.229.x/24 | /28 | 209847 | no |
| 45.67.229.x/24 | /27 | 209847 | no |
| 45.67.229.x/24 | /26 | 209847 | no |
| 45.67.229.x/24 | /25 | 209847 | no |
| 45.67.229.x/24 | /24 | 209847 | no |
| 45.67.228.x/24 | /23 | 209847 | no |
| 45.67.231.x/24 | /22 | 209847 | no |
| 45.67.225.x/24 | /21 | 203020 | no |
| 45.67.237.x/24 | /20 | 209382 | no |
| 45.67.245.x/24 | /19 | UNROUTED | no |
| 45.67.197.x/24 | /18 | 5089 | no |
| 45.67.165.x/24 | /17 | UNROUTED | no |
| 45.67.101.x/24 | /16 | 9009 | no |
| 45.66.229.x/24 | /15 | 210218 | no |
| 45.65.229.x/24 | /14 | 262617 | no |
| 45.71.229.x/24 | /13 | 267624 | no |
| 45.75.229.x/24 | /12 | 49425 | no |
| 45.83.229.x/24 | /11 | 24904 | no |
| 45.99.229.x/24 | /10 | 37069 | no |
| 45.3.229.x/24 | /9 | 33363 | no |
| 45.195.229.x/24 | /8 | 271907 | 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:
We welcome questions and feedback to the Spoofer Information Mailing List
and invite users to join the Spoofer
Users Mailing List for discussion and announcements.
