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Session Report

Summary:
Test run at: 2017-04-28 03:51:40 GMT
Client Prefix (v4): 138.121.97.x/24
Client AS (v4): 263784
IPv4 Probes: 91
Outbound spoofing summary (from the client to our server)
Source address type IPv4
Private - RFC1918 unknown
Routable unknown
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.
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 (138.121.97.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
138.121.97.x/24/31263784sendto
138.121.97.x/24/30263784sendto
138.121.97.x/24/29263784sendto
138.121.97.x/24/28263784sendto
138.121.97.x/24/27263784sendto
138.121.97.x/24/26263784sendto
138.121.97.x/24/25263784sendto
138.121.97.x/24/24263784sendto
138.121.96.x/24/23263784sendto
138.121.99.x/24/22263784sendto
138.121.101.x/24/21263775sendto
138.121.105.x/24/20263790sendto
138.121.113.x/24/19UNROUTEDsendto
138.121.65.x/24/18264292sendto
138.121.33.x/24/17264288sendto
138.121.225.x/24/16264440sendto
138.120.97.x/24/15203418sendto
138.123.97.x/24/1416657sendto
138.125.97.x/24/13UNROUTEDsendto
138.113.97.x/24/1222373sendto
138.105.97.x/24/11UNROUTEDsendto
138.89.97.x/24/10701sendto
138.57.97.x/24/9UNROUTEDsendto
138.249.97.x/24/8UNROUTEDsendto

Meaning of status in Received column:

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

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.
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