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Session Report

Summary:
Test run at: 2024-02-20 11:17:35 GMT
Client Prefix (v4): 208.58.49.x/24
Client AS (v4): 6079 (RCN-AS)
IPv4 Probes: 66
Outbound spoofing summary (from the client to our server)
Source address type IPv4
Private - RFC1918 blocked
Routable blocked
Largest spoofable neighbor prefix length /30
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 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 (208.58.49.x/24) can spoof 3 neighboring addresses (within your /30 prefix)


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
208.58.49.x/24/316079yes
208.58.49.x/24/306079yes
208.58.49.x/24/296079no
208.58.49.x/24/286079no
208.58.49.x/24/276079no
208.58.49.x/24/266079no
208.58.49.x/24/256079no
208.58.49.x/24/246079no
208.58.48.x/24/236079no
208.58.51.x/24/226079no
208.58.53.x/24/216079no
208.58.57.x/24/206079no
208.58.33.x/24/196079no
208.58.17.x/24/186079no
208.58.113.x/24/176079no
208.58.177.x/24/166079no
208.59.49.x/24/156079no
208.56.49.x/24/1416509no
208.62.49.x/24/136389no
208.50.49.x/24/123549no
208.42.49.x/24/118015no
208.26.49.x/24/101239no
208.122.49.x/24/932475no
208.186.49.x/24/821541no

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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