Session Report

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| Data: Stats Summary Recent Tests Remediation Results by AS Results by Country Results by Provider |

Summary:

Test run at: 2019-02-10 04:10:40 GMT
Client Prefix (v4): 72.14.187.x/24
Client AS (v4): 63949 (LINODE-AP)
IPv4 Probes: 116
Client Prefix (v6): 2600:3c00: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.

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 (72.14.187.x/24) can spoof 0 neighboring addresses

Spoofed source address (anon) Prefix
Length ASN of spoofed
source address Received

72.14.187.x/24 /31 63949 no

72.14.187.x/24 /30 63949 no

72.14.187.x/24 /29 63949 no

72.14.187.x/24 /28 63949 no

72.14.187.x/24 /27 63949 no

72.14.187.x/24 /26 63949 no

72.14.187.x/24 /25 63949 no

72.14.187.x/24 /24 63949 no

72.14.186.x/24 /23 63949 no

72.14.185.x/24 /22 63949 no

72.14.191.x/24 /21 63949 no

72.14.179.x/24 /20 63949 no

72.14.171.x/24 /19 26788 no

72.14.155.x/24 /18 20460 no

72.14.251.x/24 /17 15169 no

72.14.59.x/24 /16 14954 no

72.15.187.x/24 /15 11714 no

72.12.187.x/24 /14 35843 no

72.10.187.x/24 /13 22931 no

72.6.187.x/24 /12 UNROUTED no

72.30.187.x/24 /11 UNROUTED no

72.46.187.x/24 /10 53347 no

72.78.187.x/24 /9 701 no

72.142.187.x/24 /8 20453 no

Meaning of status in Received column:

no Packets spoofed from adjacent netblock were not received, probably due to blocking

Spoofed source address (anon)	Prefix Length	ASN of spoofed source address	Received
72.14.187.x/24	/31	63949	no
72.14.187.x/24	/30	63949	no
72.14.187.x/24	/29	63949	no
72.14.187.x/24	/28	63949	no
72.14.187.x/24	/27	63949	no
72.14.187.x/24	/26	63949	no
72.14.187.x/24	/25	63949	no
72.14.187.x/24	/24	63949	no
72.14.186.x/24	/23	63949	no
72.14.185.x/24	/22	63949	no
72.14.191.x/24	/21	63949	no
72.14.179.x/24	/20	63949	no
72.14.171.x/24	/19	26788	no
72.14.155.x/24	/18	20460	no
72.14.251.x/24	/17	15169	no
72.14.59.x/24	/16	14954	no
72.15.187.x/24	/15	11714	no
72.12.187.x/24	/14	35843	no
72.10.187.x/24	/13	22931	no
72.6.187.x/24	/12	UNROUTED	no
72.30.187.x/24	/11	UNROUTED	no
72.46.187.x/24	/10	53347	no
72.78.187.x/24	/9	701	no
72.142.187.x/24	/8	20453	no

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 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

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

IPv6 Adjacent Netblock Testing:

Spoofed source address (anon) Prefix
Length ASN of spoofed
source address Received

2600:3c00:xx::/40 /120 63949 no

2600:3c00:xx::/40 /112 63949 no

2600:3c00:xx::/40 /104 63949 no

2600:3c00:xx::/40 /96 63949 no

2600:3c00:xx::/40 /88 63949 no

2600:3c00:xx::/40 /80 63949 no

2600:3c00:xx::/40 /72 63949 no

2600:3c00:xx::/40 /64 63949 no

2600:3c00:xx::/40 /56 63949 no

2600:3c00:xx::/40 /48 63949 no

2600:3c00:xx::/40 /40 63949 no

2600:3c00:80xx::/40 /32 63949 no

2600:3c80:xx::/40 /24 UNROUTED no

2600:bc00:xx::/40 /16 UNROUTED no

Meaning of status in Received column:

no Packets spoofed from adjacent netblock were not received, probably due to blocking

Spoofed source address (anon)	Prefix Length	ASN of spoofed source address	Received
2600:3c00:xx::/40	/120	63949	no
2600:3c00:xx::/40	/112	63949	no
2600:3c00:xx::/40	/104	63949	no
2600:3c00:xx::/40	/96	63949	no
2600:3c00:xx::/40	/88	63949	no
2600:3c00:xx::/40	/80	63949	no
2600:3c00:xx::/40	/72	63949	no
2600:3c00:xx::/40	/64	63949	no
2600:3c00:xx::/40	/56	63949	no
2600:3c00:xx::/40	/48	63949	no
2600:3c00:xx::/40	/40	63949	no
2600:3c00:80xx::/40	/32	63949	no
2600:3c80:xx::/40	/24	UNROUTED	no
2600:bc00:xx::/40	/16	UNROUTED	no

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.