Logo

Session Report

Summary:
Test run at: 2017-11-13 13:19:35 GMT
Client Prefix (v4): 80.12.34.x/24
Client AS (v4): 3215 (AS3215)
IPv4 Probes: 105
Outbound spoofing summary (from the client to our server)
Source address type IPv4
Private - RFC1918 blocked
Routable received
Largest spoofable neighbor prefix length /8
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 (80.12.34.x/24) can spoof 16777215 neighboring addresses (within your /8 prefix)


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
80.12.34.x/24/313215yes
80.12.34.x/24/303215yes
80.12.34.x/24/293215yes
80.12.34.x/24/283215yes
80.12.34.x/24/273215yes
80.12.34.x/24/263215yes
80.12.34.x/24/253215yes
80.12.34.x/24/243215yes
80.12.35.x/24/233215yes
80.12.32.x/24/223215yes
80.12.38.x/24/213215yes
80.12.42.x/24/203215yes
80.12.50.x/24/193215yes
80.12.2.x/24/183215yes
80.12.98.x/24/175511yes
80.12.162.x/24/163215yes
80.13.34.x/24/153215yes
80.14.34.x/24/143215yes
80.8.34.x/24/133215yes
80.4.34.x/24/125089yes
80.28.34.x/24/113352yes
80.44.34.x/24/109105yes
80.76.34.x/24/9UNROUTEDnatblock
80.140.34.x/24/83320yes

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.
Last Modified