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Session Report

Summary:
Test run at: 2016-05-25 22:11:10 GMT
Client Prefix (v4): 177.39.131.x/24
Client AS (v4): 262426
IPv4 Probes: 89
Outbound spoofing summary (from the client to our server)
Source address type IPv4
Private - RFC1918 received
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 Adjacent Netblock Testing:

Your host (177.39.131.x/24) can spoof 16777215 neighboring addresses (within your /8 prefix)


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
177.39.131.x/24/31262426yes
177.39.131.x/24/30262426yes
177.39.131.x/24/29262426yes
177.39.131.x/24/28262426yes
177.39.131.x/24/27262426yes
177.39.131.x/24/26262426yes
177.39.131.x/24/25262426yes
177.39.131.x/24/24262426yes
177.39.130.x/24/23262426yes
177.39.129.x/24/22262426yes
177.39.135.x/24/2152767yes
177.39.139.x/24/20262430yes
177.39.147.x/24/19262427yes
177.39.163.x/24/18262429yes
177.39.195.x/24/17262432yes
177.39.3.x/24/16262413yes
177.38.131.x/24/1561570yes
177.37.131.x/24/1428126yes
177.35.131.x/24/1328573yes
177.47.131.x/24/1252993yes
177.55.131.x/24/1153003yes
177.7.131.x/24/108167yes
177.103.131.x/24/927699yes
177.167.131.x/24/826615yes

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)

IPv4 Outbound Filtering Depth:

The tracefilter test found your host able to spoof routable, non-adjacent source addresses through the first 5 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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