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Session Report

Summary:
Test run at: 2020-05-11 00:28:50 GMT
Client Prefix (v4): 185.61.137.x/24
Client AS (v4): 49349 (DOTSI)
IPv4 Probes: 75
Outbound spoofing summary (from the client to our server)
Source address type IPv4
Private - RFC1918 blocked
Routable received
Largest spoofable neighbor prefix length /8
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 (185.61.137.x/24) can spoof 16777215 neighboring addresses (within your /8 prefix)


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
185.61.137.x/24/3149349yes
185.61.137.x/24/3049349yes
185.61.137.x/24/2949349yes
185.61.137.x/24/2849349yes
185.61.137.x/24/2749349yes
185.61.137.x/24/2649349yes
185.61.137.x/24/2549349yes
185.61.137.x/24/2449349yes
185.61.136.x/24/2349349yes
185.61.139.x/24/2249349yes
185.61.141.x/24/2160198yes
185.61.129.x/24/2039710yes
185.61.153.x/24/1922612yes
185.61.169.x/24/1841327yes
185.61.201.x/24/1751336yes
185.61.9.x/24/1617054yes
185.60.137.x/24/15UNROUTEDno
185.63.137.x/24/146830yes
185.57.137.x/24/1312552yes
185.53.137.x/24/12202096yes
185.45.137.x/24/1143070yes
185.29.137.x/24/1031727yes
185.125.137.x/24/913272yes
185.189.137.x/24/8199475yes

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
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 able to spoof routable, non-adjacent source addresses through the first 10 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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