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Session Report

Summary:
Test run at: 2017-01-10 00:52:25 GMT
Client Prefix (v4): 163.7.172.x/24
Client AS (v4): 38022 (REANNZ-NZ-AP)
IPv4 Probes: 104
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.

IPv4 Adjacent Netblock Testing:

Your host (163.7.172.x/24) can spoof 16777215 neighboring addresses (within your /8 prefix)


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
163.7.172.x/24/3138022yes
163.7.172.x/24/3038022yes
163.7.172.x/24/2938022yes
163.7.172.x/24/2838022yes
163.7.172.x/24/2738022yes
163.7.172.x/24/2638022yes
163.7.172.x/24/2538022yes
163.7.172.x/24/2438022yes
163.7.173.x/24/2338022yes
163.7.174.x/24/2238022yes
163.7.168.x/24/2138022yes
163.7.164.x/24/2038022yes
163.7.188.x/24/19UNROUTEDyes
163.7.140.x/24/18132709yes
163.7.236.x/24/17UNROUTEDyes
163.7.44.x/24/1638140yes
163.6.172.x/24/15210yes
163.5.172.x/24/1456339yes
163.3.172.x/24/13UNROUTEDyes
163.15.172.x/24/121659yes
163.23.172.x/24/111659yes
163.39.172.x/24/10UNROUTEDyes
163.71.172.x/24/9UNROUTEDyes
163.135.172.x/24/84673yes

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 9 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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