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Session Report

Summary:
Test run at: 2020-08-24 15:56:00 GMT
Client Prefix (v4): 162.216.19.x/24
Client AS (v4): 63949 (LINODE-AP)
IPv4 Probes: 75
Outbound spoofing summary (from the client to our server)
Source address type IPv4
Private - RFC1918 blocked
Routable blocked
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.

IPv4 Adjacent Netblock Testing:

Your host (162.216.19.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
162.216.19.x/24/3163949natblock
162.216.19.x/24/3063949natblock
162.216.19.x/24/2963949natblock
162.216.19.x/24/2863949natblock
162.216.19.x/24/2763949natblock
162.216.19.x/24/2663949natblock
162.216.19.x/24/2563949natblock
162.216.19.x/24/2463949natblock
162.216.18.x/24/2363949natblock
162.216.17.x/24/2263949natblock
162.216.23.x/24/21174natblock
162.216.27.x/24/2062488natblock
162.216.3.x/24/1919531natblock
162.216.51.x/24/1855291natblock
162.216.83.x/24/1727258natblock
162.216.147.x/24/1629760natblock
162.217.19.x/24/1562539natblock
162.218.19.x/24/1411776natblock
162.220.19.x/24/1354905natblock
162.208.19.x/24/12UNROUTEDnatblock
162.200.19.x/24/117018natblock
162.248.19.x/24/10UNROUTEDnatblock
162.152.19.x/24/910796natblock
162.88.19.x/24/8UNROUTEDnatblock

Meaning of status in Received column:

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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