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Session Report

Summary:
Test run at: 2020-04-23 11:16:29 GMT
Client Prefix (v4): 103.29.127.x/24
Client AS (v4): 38067 (RADIANT)
IPv4 Probes: 75
Outbound spoofing summary (from the client to our server)
Source address type IPv4
Private - RFC1918 rewritten
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 (103.29.127.x/24) can spoof 255 neighboring addresses (within your /24 prefix)


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
103.29.127.x/24/3138067yes
103.29.127.x/24/3038067yes
103.29.127.x/24/2938067yes
103.29.127.x/24/2838067yes
103.29.127.x/24/2738067yes
103.29.127.x/24/2638067yes
103.29.127.x/24/2538067yes
103.29.127.x/24/2438067yes
103.29.126.x/24/2338067rewritten
103.29.125.x/24/2238067rewritten
103.29.123.x/24/21UNROUTEDrewritten
103.29.119.x/24/20131442rewritten
103.29.111.x/24/19UNROUTEDrewritten
103.29.95.x/24/18131337rewritten
103.29.63.x/24/17UNROUTEDrewritten
103.29.255.x/24/1656212rewritten
103.28.127.x/24/15132107rewritten
103.31.127.x/24/14131372rewritten
103.25.127.x/24/1359216rewritten
103.21.127.x/24/12132423rewritten
103.13.127.x/24/11UNROUTEDrewritten
103.61.127.x/24/1045960rewritten
103.93.127.x/24/959371rewritten
103.157.127.x/24/8UNROUTEDrewritten

Meaning of status in Received column:

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