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Session Report

Summary:
Test run at: 2017-01-14 23:29:35 GMT
Client Prefix (v4): 98.159.233.x/24
Client AS (v4): 15003 (LEASEWEB)
IPv4 Probes: 90
Outbound spoofing summary (from the client to our server)
Source address type IPv4
Private - RFC1918 unknown
Routable unknown
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.
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 (98.159.233.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
98.159.233.x/24/3115003sendto
98.159.233.x/24/3015003sendto
98.159.233.x/24/2915003sendto
98.159.233.x/24/2815003sendto
98.159.233.x/24/2715003sendto
98.159.233.x/24/2615003sendto
98.159.233.x/24/2515003sendto
98.159.233.x/24/2415003sendto
98.159.232.x/24/2353559sendto
98.159.235.x/24/2212025sendto
98.159.237.x/24/2112025sendto
98.159.225.x/24/20201106sendto
98.159.249.x/24/1911647sendto
98.159.201.x/24/1826809sendto
98.159.169.x/24/1727648sendto
98.159.105.x/24/1655720sendto
98.158.233.x/24/156939sendto
98.157.233.x/24/1410796sendto
98.155.233.x/24/1320001sendto
98.151.233.x/24/1220001sendto
98.143.233.x/24/1111796sendto
98.191.233.x/24/1022773sendto
98.223.233.x/24/97922sendto
98.31.233.x/24/810796sendto

Meaning of status in Received column:

sendtoThe spoofer client was unable to send spoofed headers due to an operating system restriction.

IPv4 Outbound Filtering Depth:

The tracefilter test found your host unable to spoof routable, non-adjacent source addresses through even the first IP hop.
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