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Session Report

Summary:
Test run at: 2019-04-27 11:38:20 GMT
Client Prefix (v4): 144.138.74.x/24
Client AS (v4): 45510 (TELCOINABOX-AU)
IPv4 Probes: 93
Outbound spoofing summary (from the client to our server)
Source address type IPv4
Private - RFC1918 blocked
Routable blocked
Largest spoofable neighbor prefix length none

Meaning of result status in column:

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 AS Route:
This test run probed the following paths in order to infer your ability to send different spoofed source packets. Each node in the graph corresponds to an autonomous system, i.e. different Internet service providers. NOTE: This graph does NOT show if an AS blocks spoofed packets, only the path taken by received spoofed packets. The IP Path Details are available for this run. If non-spoofed packets weren't received at a destination, the traceroute to that destination is not included in this graph and may even cause a totally empty graph.

  

  

IPv4 Adjacent Netblock Testing:

Your host (144.138.74.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
144.138.74.x/24/3145510natblock
144.138.74.x/24/3045510natblock
144.138.74.x/24/2945510natblock
144.138.74.x/24/2845510natblock
144.138.74.x/24/2745510natblock
144.138.74.x/24/2645510natblock
144.138.74.x/24/2545510natblock
144.138.74.x/24/2445510natblock
144.138.75.x/24/2345510natblock
144.138.72.x/24/2245510natblock
144.138.78.x/24/2145510natblock
144.138.66.x/24/2045510natblock
144.138.90.x/24/1945510natblock
144.138.106.x/24/1845510natblock
144.138.10.x/24/1745510natblock
144.138.202.x/24/1645510natblock
144.139.74.x/24/151221natblock
144.136.74.x/24/141221natblock
144.142.74.x/24/13UNROUTEDnatblock
144.130.74.x/24/121221natblock
144.154.74.x/24/11UNROUTEDnatblock
144.170.74.x/24/10721natblock
144.202.74.x/24/920473natblock
144.10.74.x/24/8UNROUTEDnatblock

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 able to spoof routable, non-adjacent source addresses through the first 2 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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