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Session Report

Summary:
Test run at: 2020-10-23 03:57:07 GMT
Client Prefix (v4): 31.204.150.x/24
Client AS (v4): 49544 (i3Dnet)
IPv4 Probes: 75
Client Prefix (v6): 2a00:1630:xx::/40
Client AS (v6): 49544 (i3Dnet)
IPv6 Probes: 68
Outbound spoofing summary (from the client to our server)
Source address type IPv4IPv6
Private - RFC1918 or ULA blockedblocked
Routable blockedblocked
Largest spoofable neighbor prefix length nonenone
Spoof status key
receivedSpoofed packet was received.Pattern of tests from this IP block indicates a switch from allowing spoofing to blocking it.
rewrittenSpoofed packet was received, but the source address was changed en route.
blockedSpoofed packet was not received, but unspoofed packet was.
unknownNeither spoofed nor unspoofed packet was received.

IPv4 Adjacent Netblock Testing:

Your host (31.204.150.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
31.204.150.x/24/3149544natblock
31.204.150.x/24/3049544natblock
31.204.150.x/24/2949544natblock
31.204.150.x/24/2849544natblock
31.204.150.x/24/2749544natblock
31.204.150.x/24/2649544natblock
31.204.150.x/24/2549544natblock
31.204.150.x/24/2449544natblock
31.204.151.x/24/2349544natblock
31.204.148.x/24/2249544natblock
31.204.146.x/24/2149544natblock
31.204.158.x/24/2049544natblock
31.204.134.x/24/1949544natblock
31.204.182.x/24/1839578natblock
31.204.214.x/24/178585natblock
31.204.22.x/24/1650147natblock
31.205.150.x/24/1541230natblock
31.206.150.x/24/148386natblock
31.200.150.x/24/1313280natblock
31.196.150.x/24/123269natblock
31.220.150.x/24/1159675natblock
31.236.150.x/24/103320natblock
31.140.150.x/24/916135natblock
31.76.150.x/24/812576natblock

Meaning of status in Received column:

natblockSpoofed 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.
IPv6 probes:
Spoofed source addressDestinationReceived
IPv6 Adjacent Netblock Testing:
Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
2a00:1630:xx::/40/12049544sendto
2a00:1630:xx::/40/11249544sendto
2a00:1630:xx::/40/10449544sendto
2a00:1630:xx::/40/9649544sendto
2a00:1630:xx::/40/8849544sendto
2a00:1630:xx::/40/8049544sendto
2a00:1630:xx::/40/7249544sendto
2a00:1630:xx::/40/6449544sendto
2a00:1630:xx::/40/5649544sendto
2a00:1630:xx::/40/4849544sendto
2a00:1630:xx::/40/4049544sendto
2a00:1630:80xx::/40/3249544sendto
2a00:16b0:xx::/40/2433837sendto
2a00:9630:xx::/40/16UNROUTEDsendto

Meaning of status in Received column:

sendtoThe spoofer client was unable to send spoofed headers due to an operating system restriction.
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.
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