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Session Report

Summary:
Test run at: 2020-03-31 09:07:33 GMT
Client Prefix (v4): 104.37.175.x/24
Client AS (v4): 396073 (MAJESTIC-HOSTING-01)
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 /22

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.

IPv4 Adjacent Netblock Testing:

Your host (104.37.175.x/24) can spoof 1023 neighboring addresses (within your /22 prefix)


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
104.37.175.x/24/31396073yes
104.37.175.x/24/30396073yes
104.37.175.x/24/29396073yes
104.37.175.x/24/28396073yes
104.37.175.x/24/27396073yes
104.37.175.x/24/26396073yes
104.37.175.x/24/25396073yes
104.37.175.x/24/24396073yes
104.37.174.x/24/23396073yes
104.37.173.x/24/22396073yes
104.37.171.x/24/2162838no
104.37.167.x/24/20393442no
104.37.191.x/24/1919318no
104.37.143.x/24/1853282no
104.37.239.x/24/1721748no
104.37.47.x/24/1616628no
104.36.175.x/24/15397545no
104.39.175.x/24/143999no
104.33.175.x/24/1320001no
104.45.175.x/24/128075no
104.53.175.x/24/117018no
104.5.175.x/24/107018no
104.101.175.x/24/9UNROUTEDno
104.165.175.x/24/818779no

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)

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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