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: 2020-05-18 02:55:52 GMT
Client Prefix (v4): 91.189.187.x/24
Client AS (v4): 35913 (DEDIPATH-LLC)
IPv4 Probes: 75
Client Prefix (v6): 2402:d0c0:xx::/40
Client AS (v6): 35913 (DEDIPATH-LLC)
IPv6 Probes: 72

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 /64

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	/64

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

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

91.189.187.x/24 /31 35913 no

91.189.187.x/24 /30 35913 no

91.189.187.x/24 /29 35913 no

91.189.187.x/24 /28 35913 no

91.189.187.x/24 /27 35913 no

91.189.187.x/24 /26 35913 no

91.189.187.x/24 /25 35913 no

91.189.187.x/24 /24 35913 no

91.189.186.x/24 /23 26484 no

91.189.185.x/24 /22 35913 no

91.189.191.x/24 /21 UNROUTED no

91.189.179.x/24 /20 34989 no

91.189.171.x/24 /19 39783 no

91.189.155.x/24 /18 43258 no

91.189.251.x/24 /17 42927 no

91.189.59.x/24 /16 42402 no

91.188.187.x/24 /15 8905 no

91.191.187.x/24 /14 21030 no

91.185.187.x/24 /13 57367 no

91.181.187.x/24 /12 5432 no

91.173.187.x/24 /11 12322 no

91.157.187.x/24 /10 719 no

91.253.187.x/24 /9 24608 no

91.61.187.x/24 /8 3320 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
91.189.187.x/24	/31	35913	no
91.189.187.x/24	/30	35913	no
91.189.187.x/24	/29	35913	no
91.189.187.x/24	/28	35913	no
91.189.187.x/24	/27	35913	no
91.189.187.x/24	/26	35913	no
91.189.187.x/24	/25	35913	no
91.189.187.x/24	/24	35913	no
91.189.186.x/24	/23	26484	no
91.189.185.x/24	/22	35913	no
91.189.191.x/24	/21	UNROUTED	no
91.189.179.x/24	/20	34989	no
91.189.171.x/24	/19	39783	no
91.189.155.x/24	/18	43258	no
91.189.251.x/24	/17	42927	no
91.189.59.x/24	/16	42402	no
91.188.187.x/24	/15	8905	no
91.191.187.x/24	/14	21030	no
91.185.187.x/24	/13	57367	no
91.181.187.x/24	/12	5432	no
91.173.187.x/24	/11	12322	no
91.157.187.x/24	/10	719	no
91.253.187.x/24	/9	24608	no
91.61.187.x/24	/8	3320	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::159 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::159 2001:48d0:101:501::247 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
2001:48d0:101:501::159 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::159 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::159 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::159 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::159 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::159	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::159	2001:48d0:101:501::247	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
2001:48d0:101:501::159	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::159	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::159	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::159	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::159	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

2402:d0c0:xx::/40 /120 35913 yes

2402:d0c0:xx::/40 /112 35913 yes

2402:d0c0:xx::/40 /104 35913 yes

2402:d0c0:xx::/40 /96 35913 yes

2402:d0c0:xx::/40 /88 35913 yes

2402:d0c0:xx::/40 /80 35913 yes

2402:d0c0:xx::/40 /72 35913 yes

2402:d0c0:xx::/40 /64 35913 yes

2402:d0c0:xx::/40 /56 35913 no

2402:d0c0:xx::/40 /48 35913 no

2402:d0c0:xx::/40 /40 UNROUTED no

2402:d0c0:80xx::/40 /32 UNROUTED no

2402:d040:xx::/40 /24 UNROUTED no

2402:50c0:xx::/40 /16 UNROUTED 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)

Spoofed source address (anon)	Prefix Length	ASN of spoofed source address	Received
2402:d0c0:xx::/40	/120	35913	yes
2402:d0c0:xx::/40	/112	35913	yes
2402:d0c0:xx::/40	/104	35913	yes
2402:d0c0:xx::/40	/96	35913	yes
2402:d0c0:xx::/40	/88	35913	yes
2402:d0c0:xx::/40	/80	35913	yes
2402:d0c0:xx::/40	/72	35913	yes
2402:d0c0:xx::/40	/64	35913	yes
2402:d0c0:xx::/40	/56	35913	no
2402:d0c0:xx::/40	/48	35913	no
2402:d0c0:xx::/40	/40	UNROUTED	no
2402:d0c0:80xx::/40	/32	UNROUTED	no
2402:d040:xx::/40	/24	UNROUTED	no
2402:50c0: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.

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)