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Session Report

Summary:
Test run at: 2018-12-26 13:46:52 GMT
Client Prefix (v4): 185.86.76.x/24
Client AS (v4): 201094 (gmhost)
IPv4 Probes: 124
Client Prefix (v6): 2a03:7720:xx::/40
Client AS (v6): 201094 (gmhost)
IPv6 Probes: 82
Outbound spoofing summary (from the client to our server)
Source address type IPv4IPv6
Private - RFC1918 or ULA blockedblocked
Routable blockedblocked
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 (185.86.76.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
185.86.76.x/24/31201094no
185.86.76.x/24/30201094no
185.86.76.x/24/29201094no
185.86.76.x/24/28201094no
185.86.76.x/24/27201094no
185.86.76.x/24/26201094no
185.86.76.x/24/25201094no
185.86.76.x/24/24201094no
185.86.77.x/24/23201094no
185.86.78.x/24/22201094no
185.86.72.x/24/2157970no
185.86.68.x/24/20196724no
185.86.92.x/24/1961400no
185.86.108.x/24/1841000no
185.86.12.x/24/1743260no
185.86.204.x/24/16201073no
185.87.76.x/24/155602no
185.84.76.x/24/14UNROUTEDno
185.82.76.x/24/1331727no
185.94.76.x/24/12202087no
185.70.76.x/24/11199081no
185.118.76.x/24/108285no
185.22.76.x/24/960963no
185.214.76.x/24/858067no

Meaning of status in Received column:

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

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
2001:48d0:101:501:ec4:7aff:fea8:71a82001:388:1:5001:21c:c0ff:fea2:4a3ano
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
2001:48d0:101:501:ec4:7aff:fea8:71a82001:48d0:101:501::242no
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
2001:48d0:101:501:ec4:7aff:fea8:71a82001:610:510:115:192:42:115:98no
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
2001:48d0:101:501:ec4:7aff:fea8:71a82001:630:212:225:225:90ff:fe0c:45a6no
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
2001:48d0:101:501:ec4:7aff:fea8:71a82001:708:40:2001:21c:c0ff:fea2:4c5cno
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
2001:48d0:101:501:ec4:7aff:fea8:71a82001:770:18:7:225:90ff:fe0c:acb4no
2001:4978:1fb:6400::d22001:770:18:7:225:90ff:fe0c:acb4no
2001:49aa:111:aa00::112001:770:18:7:225:90ff:fe0c:acb4no
fd11:1111:1111::11112001:770:18:7:225:90ff:fe0c:acb4no
2001:48d0:101:501:ec4:7aff:fea8:71a82001:df0:4:800:21c:c0ff:feb2:ad5fno
2001:4978:1fb:6400::d22001:df0:4:800:21c:c0ff:feb2:ad5fno
2001:49aa:111:aa00::112001:df0:4:800:21c:c0ff:feb2:ad5fno
fd11:1111:1111::11112001:df0:4:800:21c:c0ff:feb2:ad5fno
2001:48d0:101:501:ec4:7aff:fea8:71a82607:f278:2:13:ba27:ebff:fe3f:b21eno
2001:4978:1fb:6400::d22607:f278:2:13:ba27:ebff:fe3f:b21eno
2001:49aa:111:aa00::112607:f278:2:13:ba27:ebff:fe3f:b21eno
fd11:1111:1111::11112607:f278:2:13:ba27:ebff:fe3f:b21eno
IPv6 Adjacent Netblock Testing:
Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
2a03:7720:xx::/40/120201094no
2a03:7720:xx::/40/112201094no
2a03:7720:xx::/40/104201094no
2a03:7720:xx::/40/96201094no
2a03:7720:xx::/40/88201094no
2a03:7720:xx::/40/80201094no
2a03:7720:xx::/40/72201094no
2a03:7720:xx::/40/64201094no
2a03:7720:xx::/40/56201094no
2a03:7720:xx::/40/48201094no
2a03:7720:xx::/40/40UNROUTEDno
2a03:7720:80xx::/40/32UNROUTEDno
2a03:77a0:xx::/40/24201085no
2a03:f720: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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