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Session Report

Summary:
Test run at: 2019-09-18 14:09:40 GMT
Client Prefix (v4): 168.121.131.x/24
Client AS (v4): 28005
IPv4 Probes: 72
Outbound spoofing summary (from the client to our server)
Source address type IPv4
Private - RFC1918 blocked
Routable blocked
Largest spoofable neighbor prefix length /22

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 (168.121.131.x/24) can spoof 1023 neighboring addresses (within your /22 prefix)


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
168.121.131.x/24/3128005yes
168.121.131.x/24/3028005yes
168.121.131.x/24/2928005yes
168.121.131.x/24/2828005yes
168.121.131.x/24/2728005no
168.121.131.x/24/2628005yes
168.121.131.x/24/2528005yes
168.121.131.x/24/2428005yes
168.121.130.x/24/2328005no
168.121.129.x/24/2228005yes
168.121.135.x/24/21264149no
168.121.139.x/24/20265312no
168.121.147.x/24/19263596no
168.121.163.x/24/18264158no
168.121.195.x/24/17263073no
168.121.3.x/24/16265292no
168.120.131.x/24/154274no
168.123.131.x/24/14395400no
168.125.131.x/24/13UNROUTEDno
168.113.131.x/24/12UNROUTEDno
168.105.131.x/24/116360no
168.89.131.x/24/103741no
168.57.131.x/24/91761no
168.249.131.x/24/8UNROUTEDno

Meaning of status in Received column:

noPackets spoofed from adjacent netblock were not received, probably due to blocking
yesPackets spoofed from adjacent netblock were received (but that netblock is within the source AS)

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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