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Session Report

Summary:
Test run at: 2021-02-27 12:46:08 GMT
Client Prefix (v4): 191.101.252.x/24
Client AS (v4): 61317 (ASDETUK)
IPv4 Probes: 69
Outbound spoofing summary (from the client to our server)
Source address type IPv4
Private - RFC1918 unknown
Routable unknown
Largest spoofable neighbor prefix length none

Meaning of result status in column:

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 (191.101.252.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
191.101.252.x/24/3161317natblock
191.101.252.x/24/3061317natblock
191.101.252.x/24/2961317natblock
191.101.252.x/24/2861317natblock
191.101.252.x/24/2761317natblock
191.101.252.x/24/2661317natblock
191.101.252.x/24/2561317natblock
191.101.252.x/24/2461317natblock
191.101.253.x/24/23207787natblock
191.101.254.x/24/22212238natblock
191.101.248.x/24/2161317natblock
191.101.244.x/24/2061317natblock
191.101.236.x/24/1961317natblock
191.101.220.x/24/1861317natblock
191.101.188.x/24/1761317natblock
191.101.124.x/24/1661317natblock
191.100.252.x/24/1527668natblock
191.103.252.x/24/1427695natblock
191.97.252.x/24/137303natblock
191.109.252.x/24/123816natblock
191.117.252.x/24/11UNROUTEDnatblock
191.69.252.x/24/1026611natblock
191.37.252.x/24/9270050natblock
191.229.252.x/24/826615natblock

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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