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Session Report

Summary:
Test run at: 2020-03-27 23:54:55 GMT
Client Prefix (v4): 45.188.73.x/24
Client AS (v4): 269517
IPv4 Probes: 75
Outbound spoofing summary (from the client to our server)
Source address type IPv4
Private - RFC1918 blocked
Routable received
Largest spoofable neighbor prefix length /8

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 AS Route:
This test run probed the following paths in order to infer your ability to send different spoofed source packets. Each node in the graph corresponds to an autonomous system, i.e. different Internet service providers. NOTE: This graph does NOT show if an AS blocks spoofed packets, only the path taken by received spoofed packets. The IP Path Details are available for this run. If non-spoofed packets weren't received at a destination, the traceroute to that destination is not included in this graph and may even cause a totally empty graph.

  

  

IPv4 Adjacent Netblock Testing:

Your host (45.188.73.x/24) can spoof 16777215 neighboring addresses (within your /8 prefix)


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
45.188.73.x/24/31269517yes
45.188.73.x/24/30269517yes
45.188.73.x/24/29269517yes
45.188.73.x/24/28269517yes
45.188.73.x/24/27269517yes
45.188.73.x/24/26269517yes
45.188.73.x/24/25269517yes
45.188.73.x/24/24269517yes
45.188.72.x/24/23269517yes
45.188.75.x/24/22269517yes
45.188.77.x/24/21UNROUTEDnatblock
45.188.65.x/24/20269522yes
45.188.89.x/24/19269527yes
45.188.105.x/24/18269512yes
45.188.9.x/24/17269566yes
45.188.201.x/24/16269538yes
45.189.73.x/24/15269573yes
45.190.73.x/24/14269702yes
45.184.73.x/24/13269326yes
45.180.73.x/24/12269126yes
45.172.73.x/24/11268760yes
45.156.73.x/24/10207787yes
45.252.73.x/24/9132770yes
45.60.73.x/24/819551yes

Meaning of status in Received column:

yesPackets spoofed from adjacent netblock were received
yesPackets spoofed from adjacent netblock were received (but that netblock is within the source AS)
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 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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