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Session Report

Summary:
Test run at: 2024-02-08 12:16:23 GMT
Client Prefix (v4): 168.232.219.x/24
Client AS (v4): 263569
IPv4 Probes: 66
Outbound spoofing summary (from the client to our server)
Source address type IPv4
Private - RFC1918 blocked
Routable received
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.

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 (168.232.219.x/24) can spoof 255 neighboring addresses (within your /24 prefix)


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
168.232.219.x/24/31263569sendto
168.232.219.x/24/30263569sendto
168.232.219.x/24/29263569sendto
168.232.219.x/24/28263569sendto
168.232.219.x/24/27263569sendto
168.232.219.x/24/26263569sendto
168.232.219.x/24/25263569sendto
168.232.219.x/24/24263569yes
168.232.218.x/24/23263569sendto
168.232.217.x/24/22263569sendto
168.232.223.x/24/21263614sendto
168.232.211.x/24/20264956sendto
168.232.203.x/24/19264954sendto
168.232.251.x/24/18264701sendto
168.232.155.x/24/17262293sendto
168.232.91.x/24/16264697sendto
168.233.219.x/24/15UNROUTEDsendto
168.234.219.x/24/14UNROUTEDsendto
168.236.219.x/24/133136sendto
168.224.219.x/24/1229487sendto
168.248.219.x/24/11UNROUTEDsendto
168.200.219.x/24/10UNROUTEDsendto
168.168.219.x/24/9UNROUTEDsendto
168.104.219.x/24/8UNROUTEDsendto

Meaning of status in Received column:

yesPackets spoofed from adjacent netblock were received (but that netblock is within the source AS)
sendtoThe spoofer client was unable to send spoofed headers due to an operating system restriction.

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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