Test run at: 2019-02-10 03:54:09 GMT
Client Prefix (v4): 198.74.49.x/24
Client AS (v4): 63949 (LINODE-AP)
IPv4 Probes: 116
Client Prefix (v6): 2600:3c01:xx::/40
Client AS (v6): 63949 (LINODE-AP)
IPv6 Probes: 82
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 none none
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 (198.74.49.x/24) can spoof 0 neighboring addresses
Spoofed source address (anon) Prefix
LengthASN of spoofed
source addressReceived 198.74.49.x/24 /31 63949 no 198.74.49.x/24 /30 63949 no 198.74.49.x/24 /29 63949 no 198.74.49.x/24 /28 63949 no 198.74.49.x/24 /27 63949 no 198.74.49.x/24 /26 63949 no 198.74.49.x/24 /25 63949 no 198.74.49.x/24 /24 63949 no 198.74.48.x/24 /23 63949 no 198.74.51.x/24 /22 63949 no 198.74.53.x/24 /21 63949 no 198.74.57.x/24 /20 63949 no 198.74.33.x/24 /19 57976 no 198.74.17.x/24 /18 UNROUTED no 198.74.113.x/24 /17 35916 no 198.74.177.x/24 /16 4563 no 198.75.49.x/24 /15 UNROUTED no 198.72.49.x/24 /14 19397 no 198.78.49.x/24 /13 3356 no 198.66.49.x/24 /12 2914 no 198.90.49.x/24 /11 UNROUTED no 198.106.49.x/24 /10 2914 no 198.10.49.x/24 /9 24 no 198.202.49.x/24 /8 UNROUTED no Meaning of status in Received column:
no Packets 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:
IPv6 Adjacent Netblock Testing:
Spoofed source address Destination Received 2001:48d0:101:501:ec4:7aff:fea8:71a8 2001:388:1:5001:21c:c0ff:fea2:4a3a no 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 2001:48d0:101:501:ec4:7aff:fea8:71a8 2001:48d0:101:501::242 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 2001:48d0:101:501:ec4:7aff:fea8:71a8 2001:610:510:115:192:42:115:98 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 2001:48d0:101:501:ec4:7aff:fea8:71a8 2001:630:212:225:225:90ff:fe0c:45a6 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 2001:48d0:101:501:ec4:7aff:fea8:71a8 2001:708:40:2001:21c:c0ff:fea2:4c5c 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 2001:48d0:101:501:ec4:7aff:fea8:71a8 2001:770:18:7:225:90ff:fe0c:acb4 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 2001:48d0:101:501:ec4:7aff:fea8:71a8 2001:df0:4:800:21c:c0ff:feb2:ad5f no 2001:4978:1fb:6400::d2 2001:df0:4:800:21c:c0ff:feb2:ad5f no 2001:49aa:111:aa00::11 2001:df0:4:800:21c:c0ff:feb2:ad5f no fd11:1111:1111::1111 2001:df0:4:800:21c:c0ff:feb2:ad5f no 2001:48d0:101:501:ec4:7aff:fea8:71a8 2607:f278:2:13:ba27:ebff:fe3f:b21e no 2001:4978:1fb:6400::d2 2607:f278:2:13:ba27:ebff:fe3f:b21e no 2001:49aa:111:aa00::11 2607:f278:2:13:ba27:ebff:fe3f:b21e no fd11:1111:1111::1111 2607:f278:2:13:ba27:ebff:fe3f:b21e no
Summary:
Spoofed source address (anon) Prefix
LengthASN of spoofed
source addressReceived 2600:3c01:xx::/40 /120 63949 no 2600:3c01:xx::/40 /112 63949 no 2600:3c01:xx::/40 /104 63949 no 2600:3c01:xx::/40 /96 63949 no 2600:3c01:xx::/40 /88 63949 no 2600:3c01:xx::/40 /80 63949 no 2600:3c01:xx::/40 /72 63949 no 2600:3c01:xx::/40 /64 63949 no 2600:3c01:xx::/40 /56 63949 no 2600:3c01:xx::/40 /48 63949 no 2600:3c01:xx::/40 /40 63949 no 2600:3c01:80xx::/40 /32 63949 no 2600:3c81:xx::/40 /24 UNROUTED no 2600:bc01:xx::/40 /16 UNROUTED no Meaning of status in Received column:
no Packets spoofed from adjacent netblock were not received, probably due to blocking
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.