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Session Report

Summary:
Test run at: 2017-05-28 10:54:16 GMT
Client Prefix (v4): 104.200.131.x/24
Client AS (v4): 63473 (HOSTHATCH)
IPv4 Probes: 118
Client Prefix (v6): 2607:f7a0:xx::/40
Client AS (v6): 46562 (PERFORMIVE)
IPv6 Probes: 78
Outbound spoofing summary (from the client to our server)
Source address type IPv4IPv6
Private - RFC1918 or ULA unknownblocked
Routable unknownblocked
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 Adjacent Netblock Testing:

Your host (104.200.131.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
104.200.131.x/24/3163473sendto
104.200.131.x/24/3063473sendto
104.200.131.x/24/2963473sendto
104.200.131.x/24/2863473sendto
104.200.131.x/24/2763473sendto
104.200.131.x/24/2663473sendto
104.200.131.x/24/2563473sendto
104.200.131.x/24/2463473sendto
104.200.130.x/24/2346562sendto
104.200.129.x/24/2246562sendto
104.200.135.x/24/2146562sendto
104.200.139.x/24/2046562sendto
104.200.147.x/24/1946562sendto
104.200.163.x/24/188100sendto
104.200.195.x/24/1735908sendto
104.200.3.x/24/1653791sendto
104.201.131.x/24/1529848sendto
104.202.131.x/24/1418978sendto
104.204.131.x/24/1319397sendto
104.192.131.x/24/1232448sendto
104.216.131.x/24/1140676sendto
104.232.131.x/24/1022552sendto
104.136.131.x/24/9UNROUTEDsendto
104.72.131.x/24/835994sendto

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:fea2:4a3ano
2001:49aa:111:aa00::112001:388:1:5001:21c:c0ff:fea2:4a3ano
fd11:1111:1111::11112001:388:1:5001:21c:c0ff:fea2:4a3ano
2001:4978:1fb:6400::d22001:410:102:1::78no
2001:49aa:111:aa00::112001:410:102:1::78no
fd11:1111:1111::11112001:410:102:1::78no
2001:4978:1fb:6400::d22001:410:90ff::5no
2001:49aa:111:aa00::112001:410:90ff::5no
fd11:1111:1111::11112001:410:90ff::5no
2001:4978:1fb:6400::d22001:48d0:101:501::242no
2001:49aa:111:aa00::112001:48d0:101:501::242no
fd11:1111:1111::11112001:48d0:101:501::242no
2001:4978:1fb:6400::d22001:48d0:101:501::247no
2001:49aa:111:aa00::112001:48d0:101:501::247no
fd11:1111:1111::11112001:48d0:101:501::247no
2001:4978:1fb:6400::d22001:610:510:115:192:42:115:98no
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::d22001:630:212:225:225:90ff:fe0c:45a6no
2001:49aa:111:aa00::112001:630:212:225:225:90ff:fe0c:45a6no
fd11:1111:1111::11112001:630:212:225:225:90ff:fe0c:45a6no
2001:4978:1fb:6400::d22001:708:40:2001:21c:c0ff:fea2:4c5cno
2001:49aa:111:aa00::112001:708:40:2001:21c:c0ff:fea2:4c5cno
fd11:1111:1111::11112001:708:40:2001:21c:c0ff:fea2:4c5cno
IPv6 Adjacent Netblock Testing:
Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
2607:f7a0:xx::/40/12046562sendto
2607:f7a0:xx::/40/11246562sendto
2607:f7a0:xx::/40/10446562sendto
2607:f7a0:xx::/40/9646562sendto
2607:f7a0:xx::/40/8846562sendto
2607:f7a0:xx::/40/8046562sendto
2607:f7a0:xx::/40/7246562sendto
2607:f7a0:xx::/40/6446562sendto
2607:f7a0:xx::/40/5646562sendto
2607:f7a0:xx::/40/4846562sendto
2607:f7a0:xx::/40/40UNROUTEDsendto
2607:f7a0:80xx::/40/32UNROUTEDsendto
2607:f720:xx::/40/247377sendto
2607:77a0:xx::/40/16UNROUTEDsendto

Meaning of status in Received column:

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