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Session Report

Summary:
Test run at: 2017-05-30 09:58:07 GMT
Client Prefix (v4): 159.148.37.x/24
Client AS (v4): 2588 (LATNET-AS)
IPv4 Probes: 118
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.

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 (159.148.37.x/24) can spoof 16777215 neighboring addresses (within your /8 prefix)


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
159.148.37.x/24/312588yes
159.148.37.x/24/302588yes
159.148.37.x/24/292588yes
159.148.37.x/24/282588yes
159.148.37.x/24/272588yes
159.148.37.x/24/262588yes
159.148.37.x/24/252588yes
159.148.37.x/24/242588yes
159.148.36.x/24/232588yes
159.148.39.x/24/222588yes
159.148.33.x/24/212588yes
159.148.45.x/24/202588yes
159.148.53.x/24/192588yes
159.148.5.x/24/182588yes
159.148.101.x/24/172588yes
159.148.165.x/24/162588yes
159.149.37.x/24/15137yes
159.150.37.x/24/1413809yes
159.144.37.x/24/1334578yes
159.156.37.x/24/12UNROUTEDnatblock
159.132.37.x/24/11UNROUTEDnatblock
159.180.37.x/24/10201341yes
159.212.37.x/24/911052yes
159.20.37.x/24/844574yes

Meaning of status in Received column:

yesPackets spoofed from adjacent netblock were received
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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