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Session Report

Summary:
Test run at: 2020-09-02 16:52:20 GMT
Client Prefix (v4): 82.102.27.x/24
Client AS (v4): 9009 (M247)
IPv4 Probes: 75
Outbound spoofing summary (from the client to our server)
Source address type IPv4
Private - RFC1918 rewritten
Routable rewritten
Largest spoofable neighbor prefix length none
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.

Warnings:

IPv4 Adjacent Netblock Testing:

Your host (82.102.27.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
82.102.27.x/24/319009rewritten
82.102.27.x/24/309009rewritten
82.102.27.x/24/299009natblock
82.102.27.x/24/289009rewritten
82.102.27.x/24/279009rewritten
82.102.27.x/24/269009rewritten
82.102.27.x/24/259009rewritten
82.102.27.x/24/249009rewritten
82.102.26.x/24/239009rewritten
82.102.25.x/24/229009rewritten
82.102.31.x/24/219009rewritten
82.102.19.x/24/209009rewritten
82.102.11.x/24/1920860rewritten
82.102.59.x/24/1815805rewritten
82.102.91.x/24/178544rewritten
82.102.155.x/24/1612400rewritten
82.103.27.x/24/151764rewritten
82.100.27.x/24/1429208rewritten
82.98.27.x/24/1330801rewritten
82.110.27.x/24/124589rewritten
82.118.27.x/24/1157238rewritten
82.70.27.x/24/1013037rewritten
82.38.27.x/24/95089rewritten
82.230.27.x/24/812322rewritten

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.
rewrittenThe source address of the probe packets we received differs from the spoofed address. It appears that an intermediate device is rewriting your packet headers.

IPv4 Outbound Filtering Depth:

The tracefilter test found your host able to spoof routable, non-adjacent source addresses through the first 1 IP hop(s).
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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