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Session Report

Summary:
Test run at: 2020-08-31 17:05:28 GMT
Client Prefix (v4): 94.229.70.x/24
Client AS (v4): 42831 (UKSERVERS-AS)
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 /24
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 (94.229.70.x/24) can spoof 255 neighboring addresses (within your /24 prefix)


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
94.229.70.x/24/3142831yes
94.229.70.x/24/3042831yes
94.229.70.x/24/2942831yes
94.229.70.x/24/2842831yes
94.229.70.x/24/2742831yes
94.229.70.x/24/2642831yes
94.229.70.x/24/2542831yes
94.229.70.x/24/2442831yes
94.229.71.x/24/2342831rewritten
94.229.68.x/24/2242831no
94.229.66.x/24/2142831no
94.229.78.x/24/2042831no
94.229.86.x/24/1962178no
94.229.102.x/24/1839102no
94.229.6.x/24/1741458no
94.229.198.x/24/1612386no
94.228.70.x/24/1547998no
94.231.70.x/24/1430886no
94.225.70.x/24/136848no
94.237.70.x/24/12202053no
94.245.70.x/24/118075no
94.197.70.x/24/10206067no
94.165.70.x/24/924608no
94.101.70.x/24/835140no

Meaning of status in Received column:

noPackets spoofed from adjacent netblock were not received, probably due to blocking
yesPackets spoofed from adjacent netblock were received (but that netblock is within the source AS)
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 1 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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