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Session Report

Summary:
Test run at: 2017-08-07 17:30:10 GMT
Client Prefix (v4): 207.71.207.x/24
Client AS (v4): 4927 (IMPU)
IPv4 Probes: 120
Client Prefix (v6): 2001:19f8:xx::/40
Client AS (v6): 4927 (IMPU)
IPv6 Probes: 79
Outbound spoofing summary (from the client to our server)
Source address type IPv4IPv6
Private - RFC1918 or ULA unknownreceived
Routable unknownreceived
Largest spoofable neighbor prefix length nonenone
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 (207.71.207.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
207.71.207.x/24/314927sendto
207.71.207.x/24/304927sendto
207.71.207.x/24/294927sendto
207.71.207.x/24/284927sendto
207.71.207.x/24/274927sendto
207.71.207.x/24/264927sendto
207.71.207.x/24/254927sendto
207.71.207.x/24/244927sendto
207.71.206.x/24/234927sendto
207.71.205.x/24/224927sendto
207.71.203.x/24/214927sendto
207.71.199.x/24/204927sendto
207.71.223.x/24/194927sendto
207.71.239.x/24/184927sendto
207.71.143.x/24/1721896sendto
207.71.79.x/24/162914sendto
207.70.207.x/24/1521531sendto
207.69.207.x/24/146983sendto
207.67.207.x/24/132914sendto
207.79.207.x/24/12701sendto
207.87.207.x/24/112828sendto
207.103.207.x/24/1046800sendto
207.7.207.x/24/93356sendto
207.199.207.x/24/818883sendto

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.
IPv6 probes:
Spoofed source addressDestinationReceived
2001:4978:1fb:6400::d22001:388:1:5001:21c:c0ff:fea2:4a3ayes
2001:49aa:111:aa00::112001:388:1:5001:21c:c0ff:fea2:4a3ayes
fd11:1111:1111::11112001:388:1:5001:21c:c0ff:fea2:4a3ayes
2001:4978:1fb:6400::d22001:410:90ff::5yes
2001:49aa:111:aa00::112001:410:90ff::5yes
fd11:1111:1111::11112001:410:90ff::5yes
2001:4978:1fb:6400::d22001:48d0:101:501::242yes
2001:49aa:111:aa00::112001:48d0:101:501::242yes
fd11:1111:1111::11112001:48d0:101:501::242no
2001:4978:1fb:6400::d22001:48d0:101:501::247yes
2001:49aa:111:aa00::112001:48d0:101:501::247yes
fd11:1111:1111::11112001:48d0:101:501::247yes
2001:4978:1fb:6400::d22001:610:510:115:192:42:115:98yes
2001:49aa:111:aa00::112001:610:510:115:192:42:115:98no
fd11:1111:1111::11112001:610:510:115:192:42:115:98no
2001:4978:1fb:6400::d22001:708:40:2001:21c:c0ff:fea2:4c5cyes
2001:49aa:111:aa00::112001:708:40:2001:21c:c0ff:fea2:4c5cyes
fd11:1111:1111::11112001:708:40:2001:21c:c0ff:fea2:4c5cno
2001:4978:1fb:6400::d22001:770:18:7:225:90ff:fe0c:acb4yes
2001:49aa:111:aa00::112001:770:18:7:225:90ff:fe0c:acb4yes
fd11:1111:1111::11112001:770:18:7:225:90ff:fe0c:acb4yes
IPv6 Adjacent Netblock Testing:
Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
2001:19f8:xx::/40/1204927no
2001:19f8:xx::/40/1124927no
2001:19f8:xx::/40/1044927no
2001:19f8:xx::/40/964927no
2001:19f8:xx::/40/884927no
2001:19f8:xx::/40/804927no
2001:19f8:xx::/40/724927no
2001:19f8:xx::/40/644927no
2001:19f8:xx::/40/564927no
2001:19f8:xx::/40/484927no
2001:19f8:xx::/40/404927no
2001:19f8:80xx::/40/324927no
2001:1978:xx::/40/24UNROUTEDno
2001:99f8:xx::/40/16UNROUTEDno

Meaning of status in Received column:

noPackets spoofed from adjacent netblock were not received, probably due to blocking
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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