Test run at: 2017-10-06 23:16:29 GMT
Client Prefix (v4): 173.212.209.x/24
Client AS (v4): 51167 (CONTABO)
IPv4 Probes: 117
Client Prefix (v6): 2a02:c207:20xx::/40
Client AS (v6): 51167 (CONTABO)
IPv6 Probes: 77
Outbound spoofing summary (from the client to our server) Source address type IPv4 IPv6 Private - RFC1918 or ULA blocked blocked Routable blocked blocked Largest spoofable neighbor prefix length /18 /32
Spoof status key received Spoofed packet was received. ✔ Pattern of tests from this IP block indicates a switch from allowing spoofing to blocking it. rewritten Spoofed packet was received, but the source address was changed en route. blocked Spoofed packet was not received, but unspoofed packet was. unknown Neither spoofed nor unspoofed packet was received.
IPv4 Adjacent Netblock Testing:
Your host (173.212.209.x/24) can spoof 16383 neighboring addresses (within your /18 prefix)
Spoofed source address (anon) Prefix
LengthASN of spoofed
source addressReceived 173.212.209.x/24 /31 51167 yes 173.212.209.x/24 /30 51167 yes 173.212.209.x/24 /29 51167 yes 173.212.209.x/24 /28 51167 yes 173.212.209.x/24 /27 51167 yes 173.212.209.x/24 /26 51167 yes 173.212.209.x/24 /25 51167 yes 173.212.209.x/24 /24 51167 yes 173.212.208.x/24 /23 51167 yes 173.212.211.x/24 /22 51167 yes 173.212.213.x/24 /21 51167 yes 173.212.217.x/24 /20 51167 yes 173.212.193.x/24 /19 51167 yes 173.212.241.x/24 /18 51167 yes 173.212.145.x/24 /17 20161 no 173.212.81.x/24 /16 11260 no 173.213.209.x/24 /15 54040 no 173.214.209.x/24 /14 29758 no 173.208.209.x/24 /13 32097 no 173.220.209.x/24 /12 6128 no 173.196.209.x/24 /11 20001 no 173.244.209.x/24 /10 29854 no 173.148.209.x/24 /9 1239 no 173.84.209.x/24 /8 7011 no Meaning of status in Received column:
no Packets spoofed from adjacent netblock were not received, probably due to blocking yes Packets spoofed from adjacent netblock were received (but that netblock is within the source AS)
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:
IPv6 Adjacent Netblock Testing:
Spoofed source address Destination Received 2001:4978:1fb:6400::d2 2001:388:1:5001:21c:c0ff:fea2:4a3a no 2001:49aa:111:aa00::11 2001:388:1:5001:21c:c0ff:fea2:4a3a no fd11:1111:1111::1111 2001:388:1:5001:21c:c0ff:fea2:4a3a no 2001:4978:1fb:6400::d2 2001:410:102:1::78 no 2001:49aa:111:aa00::11 2001:410:102:1::78 no fd11:1111:1111::1111 2001:410:102:1::78 no 2001:4978:1fb:6400::d2 2001:410:90ff::5 no 2001:49aa:111:aa00::11 2001:410:90ff::5 no fd11:1111:1111::1111 2001:410:90ff::5 no 2001:4978:1fb:6400::d2 2001:48d0:101:501::242 no 2001:49aa:111:aa00::11 2001:48d0:101:501::242 no fd11:1111:1111::1111 2001:48d0:101:501::242 no 2001:4978:1fb:6400::d2 2001:48d0:101:501::247 no 2001:49aa:111:aa00::11 2001:48d0:101:501::247 no fd11:1111:1111::1111 2001:48d0:101:501::247 no 2001:4978:1fb:6400::d2 2001:610:510:115:192:42:115:98 no 2001:49aa:111:aa00::11 2001:610:510:115:192:42:115:98 no fd11:1111:1111::1111 2001:610:510:115:192:42:115:98 no 2001:4978:1fb:6400::d2 2001:630:212:225:225:90ff:fe0c:45a6 no 2001:49aa:111:aa00::11 2001:630:212:225:225:90ff:fe0c:45a6 no fd11:1111:1111::1111 2001:630:212:225:225:90ff:fe0c:45a6 no 2001:4978:1fb:6400::d2 2001:708:40:2001:21c:c0ff:fea2:4c5c no 2001:49aa:111:aa00::11 2001:708:40:2001:21c:c0ff:fea2:4c5c no fd11:1111:1111::1111 2001:708:40:2001:21c:c0ff:fea2:4c5c no 2001:4978:1fb:6400::d2 2001:770:18:7:225:90ff:fe0c:acb4 no 2001:49aa:111:aa00::11 2001:770:18:7:225:90ff:fe0c:acb4 no fd11:1111:1111::1111 2001:770:18:7:225:90ff:fe0c:acb4 no
Summary:
Spoofed source address (anon) Prefix
LengthASN of spoofed
source addressReceived 2a02:c207:20xx::/40 /120 51167 yes 2a02:c207:20xx::/40 /112 51167 yes 2a02:c207:20xx::/40 /104 51167 yes 2a02:c207:20xx::/40 /96 51167 yes 2a02:c207:20xx::/40 /88 51167 yes 2a02:c207:20xx::/40 /80 51167 yes 2a02:c207:20xx::/40 /72 51167 yes 2a02:c207:20xx::/40 /64 51167 yes 2a02:c207:20xx::/40 /56 51167 yes 2a02:c207:20xx::/40 /48 51167 yes 2a02:c207:20xx::/40 /40 51167 yes 2a02:c207:a0xx::/40 /32 51167 yes 2a02:c287:20xx::/40 /24 198725 no 2a02:4207:20xx::/40 /16 12552 no Meaning of status in Received column:
no Packets spoofed from adjacent netblock were not received, probably due to blocking yes Packets spoofed from adjacent netblock were received (but that netblock is within the source AS)
The results from all tests are aggregated to produce a summary "State of IP Spoofing" report.Feedback:
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