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Session Report

Summary:
Test run at: 2022-08-29 16:19:26 GMT
Client Prefix (v4): 186.96.254.x/24
Client AS (v4): 262146
IPv4 Probes: 60
Outbound spoofing summary (from the client to our server)
Source address type IPv4
Private - RFC1918 blocked
Routable blocked
Largest spoofable neighbor prefix length /27
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 (186.96.254.x/24) can spoof 31 neighboring addresses (within your /27 prefix)


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
186.96.254.x/24/31262146yes
186.96.254.x/24/30262146yes
186.96.254.x/24/29262146yes
186.96.254.x/24/28262146yes
186.96.254.x/24/27262146yes
186.96.254.x/24/26262146natblock
186.96.254.x/24/25262146natblock
186.96.254.x/24/24262146natblock
186.96.255.x/24/23262146natblock
186.96.252.x/24/22262146natblock
186.96.250.x/24/2128604natblock
186.96.246.x/24/20UNROUTEDnatblock
186.96.238.x/24/19UNROUTEDnatblock
186.96.222.x/24/1827924natblock
186.96.190.x/24/17UNROUTEDnatblock
186.96.126.x/24/16262186natblock
186.97.254.x/24/1527831natblock
186.98.254.x/24/143816natblock
186.100.254.x/24/13UNROUTEDnatblock
186.104.254.x/24/127418natblock
186.112.254.x/24/113816natblock
186.64.254.x/24/1052228natblock
186.32.254.x/24/927773natblock
186.224.254.x/24/8262758natblock

Meaning of status in Received column:

yesPackets spoofed from adjacent netblock were received (but that netblock is within the source AS)
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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