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Session Report

Summary:
Test run at: 2017-07-25 05:48:55 GMT
Client Prefix (v4): 103.231.240.x/24
Client AS (v4): 133498 (DLSU-AS-AP)
IPv4 Probes: 117
Outbound spoofing summary (from the client to our server)
Source address type IPv4
Private - RFC1918 received
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 (103.231.240.x/24) can spoof 16777215 neighboring addresses (within your /8 prefix)


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
103.231.240.x/24/31133498natblock
103.231.240.x/24/30133498natblock
103.231.240.x/24/29133498yes
103.231.240.x/24/28133498yes
103.231.240.x/24/27133498yes
103.231.240.x/24/26133498yes
103.231.240.x/24/25133498yes
103.231.240.x/24/24133498natblock
103.231.241.x/24/23133498natblock
103.231.242.x/24/22133498natblock
103.231.244.x/24/21UNROUTEDnatblock
103.231.248.x/24/20UNROUTEDyes
103.231.224.x/24/19133461yes
103.231.208.x/24/1818229yes
103.231.176.x/24/17UNROUTEDyes
103.231.112.x/24/1645724yes
103.230.240.x/24/1538197yes
103.229.240.x/24/14UNROUTEDyes
103.227.240.x/24/1359278yes
103.239.240.x/24/1238676yes
103.247.240.x/24/11UNROUTEDyes
103.199.240.x/24/10134803yes
103.167.240.x/24/9UNROUTEDyes
103.103.240.x/24/8UNROUTEDyes

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 19 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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