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Session Report

Summary:
Test run at: 2022-08-05 19:53:39 GMT
Client Prefix (v4): 187.62.144.x/24
Client AS (v4): 28160
IPv4 Probes: 60
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.

Warnings:

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 (187.62.144.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
187.62.144.x/24/3128160natblock
187.62.144.x/24/3028160natblock
187.62.144.x/24/2928160natblock
187.62.144.x/24/2828160natblock
187.62.144.x/24/2728160natblock
187.62.144.x/24/2628160natblock
187.62.144.x/24/2528160natblock
187.62.144.x/24/2428160natblock
187.62.145.x/24/2328160natblock
187.62.146.x/24/22UNROUTEDnatblock
187.62.148.x/24/21UNROUTEDnatblock
187.62.152.x/24/2028160natblock
187.62.128.x/24/1928159natblock
187.62.176.x/24/18262662natblock
187.62.208.x/24/1728165natblock
187.62.16.x/24/1622689natblock
187.63.144.x/24/15271417natblock
187.60.144.x/24/1428153natblock
187.58.144.x/24/1318881natblock
187.54.144.x/24/128167natblock
187.46.144.x/24/1126615natblock
187.30.144.x/24/104230natblock
187.126.144.x/24/97738natblock
187.190.144.x/24/817072natblock

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 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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