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Session Report

Summary:
Test run at: 2019-09-24 20:18:07 GMT
Client Prefix (v4): 168.196.179.x/24
Client AS (v4): 265466
IPv4 Probes: 72
Client Prefix (v6): 2804:3494:40xx::/40
Client AS (v6): 265466
Outbound spoofing summary (from the client to our server)
Source address type IPv4
Private - RFC1918 rewritten
Routable received
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 Adjacent Netblock Testing:

Your host (168.196.179.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
168.196.179.x/24/31265466rewritten
168.196.179.x/24/30265466rewritten
168.196.179.x/24/29265466rewritten
168.196.179.x/24/28265466rewritten
168.196.179.x/24/27265466rewritten
168.196.179.x/24/26265466rewritten
168.196.179.x/24/25265466rewritten
168.196.179.x/24/24265466rewritten
168.196.178.x/24/23265466rewritten
168.196.177.x/24/22265466rewritten
168.196.183.x/24/2153184rewritten
168.196.187.x/24/2010778rewritten
168.196.163.x/24/19265465rewritten
168.196.147.x/24/18263994rewritten
168.196.243.x/24/17264677rewritten
168.196.51.x/24/16265445rewritten
168.197.179.x/24/15265488rewritten
168.198.179.x/24/14UNROUTEDrewritten
168.192.179.x/24/13UNROUTEDrewritten
168.204.179.x/24/12UNROUTEDrewritten
168.212.179.x/24/1110430rewritten
168.228.179.x/24/10264926rewritten
168.132.179.x/24/918191rewritten
168.68.179.x/24/84152rewritten

Meaning of status in Received column:

rewrittenThe source address of the probe packets we received differs from the spoofed address. It appears that an intermediate device is rewriting your packet headers.

IPv4 Outbound Filtering Depth:

The tracefilter test found your host able to spoof routable, non-adjacent source addresses through the first 10 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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