Logo

Session Report

Summary:
Test run at: 2021-11-19 15:07:33 GMT
Client Prefix (v4): 118.165.160.x/24
Client AS (v4): 3462 (HINET)
IPv4 Probes: 66
Outbound spoofing summary (from the client to our server)
Source address type IPv4
Private - RFC1918 rewritten
Routable received
Largest spoofable neighbor prefix length none
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 (118.165.160.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
118.165.160.x/24/313462rewritten
118.165.160.x/24/303462rewritten
118.165.160.x/24/293462rewritten
118.165.160.x/24/283462rewritten
118.165.160.x/24/273462rewritten
118.165.160.x/24/263462rewritten
118.165.160.x/24/253462rewritten
118.165.160.x/24/243462rewritten
118.165.161.x/24/233462rewritten
118.165.162.x/24/223462rewritten
118.165.164.x/24/213462rewritten
118.165.168.x/24/203462rewritten
118.165.176.x/24/193462rewritten
118.165.128.x/24/183462rewritten
118.165.224.x/24/173462rewritten
118.165.32.x/24/163462rewritten
118.164.160.x/24/153462rewritten
118.167.160.x/24/143462rewritten
118.161.160.x/24/133462rewritten
118.173.160.x/24/1223969rewritten
118.181.160.x/24/114134rewritten
118.133.160.x/24/109812rewritten
118.229.160.x/24/94538rewritten
118.37.160.x/24/84766rewritten

Meaning of status in Received column:

rewrittenThe source address of the probe packets we received differs from the spoofed address. It appears that an intermediate device is rewriting your packet headers.

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