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Session Report

Summary:
Test run at: 2017-05-30 23:55:29 GMT
Client Prefix (v4): 89.17.144.x/24
Client AS (v4): 51896 (HRINGDU-AS)
IPv4 Probes: 118
Outbound spoofing summary (from the client to our server)
Source address type IPv4
Private - RFC1918 blocked
Routable blocked
Largest spoofable neighbor prefix length /29
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 (89.17.144.x/24) can spoof 7 neighboring addresses (within your /29 prefix)


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
89.17.144.x/24/3151896natblock
89.17.144.x/24/3051896natblock
89.17.144.x/24/2951896yes
89.17.144.x/24/2851896natblock
89.17.144.x/24/2751896natblock
89.17.144.x/24/2651896natblock
89.17.144.x/24/2551896natblock
89.17.144.x/24/2451896natblock
89.17.145.x/24/2351896natblock
89.17.146.x/24/2251896natblock
89.17.148.x/24/2151896natblock
89.17.152.x/24/2051896natblock
89.17.128.x/24/1951896natblock
89.17.176.x/24/18UNROUTEDnatblock
89.17.208.x/24/1716371natblock
89.17.16.x/24/1634748natblock
89.16.144.x/24/1520880natblock
89.19.144.x/24/1415516natblock
89.21.144.x/24/1315672natblock
89.25.144.x/24/1231242natblock
89.1.144.x/24/118422natblock
89.49.144.x/24/105430natblock
89.81.144.x/24/95410natblock
89.145.144.x/24/825880natblock

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 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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