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: 2021-12-31 03:36:26 GMT
Client Prefix (v4): 170.187.152.x/24
Client AS (v4): 63949 (LINODE-AP)
IPv4 Probes: 63
Client Prefix (v6): 2600:3c02:xx::/40
Client AS (v6): 63949 (LINODE-AP)
IPv6 Probes: 52

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

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

170.187.152.x/24 /31 63949 no

170.187.152.x/24 /30 63949 no

170.187.152.x/24 /29 63949 no

170.187.152.x/24 /28 63949 no

170.187.152.x/24 /27 63949 no

170.187.152.x/24 /26 63949 no

170.187.152.x/24 /25 63949 no

170.187.152.x/24 /24 63949 no

170.187.153.x/24 /23 63949 no

170.187.154.x/24 /22 63949 no

170.187.156.x/24 /21 63949 no

170.187.144.x/24 /20 63949 no

170.187.136.x/24 /19 63949 no

170.187.184.x/24 /18 UNROUTED no

170.187.216.x/24 /17 63949 no

170.187.24.x/24 /16 UNROUTED no

170.186.152.x/24 /15 11273 no

170.185.152.x/24 /14 7018 no

170.191.152.x/24 /13 UNROUTED no

170.179.152.x/24 /12 UNROUTED no

170.171.152.x/24 /11 UNROUTED no

170.155.152.x/24 /10 27967 no

170.251.152.x/24 /9 21433 no

170.59.152.x/24 /8 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
170.187.152.x/24	/31	63949	no
170.187.152.x/24	/30	63949	no
170.187.152.x/24	/29	63949	no
170.187.152.x/24	/28	63949	no
170.187.152.x/24	/27	63949	no
170.187.152.x/24	/26	63949	no
170.187.152.x/24	/25	63949	no
170.187.152.x/24	/24	63949	no
170.187.153.x/24	/23	63949	no
170.187.154.x/24	/22	63949	no
170.187.156.x/24	/21	63949	no
170.187.144.x/24	/20	63949	no
170.187.136.x/24	/19	63949	no
170.187.184.x/24	/18	UNROUTED	no
170.187.216.x/24	/17	63949	no
170.187.24.x/24	/16	UNROUTED	no
170.186.152.x/24	/15	11273	no
170.185.152.x/24	/14	7018	no
170.191.152.x/24	/13	UNROUTED	no
170.179.152.x/24	/12	UNROUTED	no
170.171.152.x/24	/11	UNROUTED	no
170.155.152.x/24	/10	27967	no
170.251.152.x/24	/9	21433	no
170.59.152.x/24	/8	UNROUTED	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 2001:770:1c:7:225:90ff:fe0c:acb4 no
2001:4978:1fb:6400::d2 2001:770:1c:7:225:90ff:fe0c:acb4 no
2001:49aa:111:aa00::11 2001:770:1c:7:225:90ff:fe0c:acb4 no
fd11:1111:1111::1111 2001:770:1c:7:225:90ff:fe0c:acb4 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	2001:770:1c:7:225:90ff:fe0c:acb4	no
2001:4978:1fb:6400::d2	2001:770:1c:7:225:90ff:fe0c:acb4	no
2001:49aa:111:aa00::11	2001:770:1c:7:225:90ff:fe0c:acb4	no
fd11:1111:1111::1111	2001:770:1c:7:225:90ff:fe0c:acb4	no

IPv6 Adjacent Netblock Testing:

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

2600:3c02:xx::/40 /120 63949 no

2600:3c02:xx::/40 /112 63949 no

2600:3c02:xx::/40 /104 63949 no

2600:3c02:xx::/40 /96 63949 no

2600:3c02:xx::/40 /88 63949 no

2600:3c02:xx::/40 /80 63949 no

2600:3c02:xx::/40 /72 63949 no

2600:3c02:xx::/40 /64 63949 no

2600:3c02:xx::/40 /56 63949 no

2600:3c02:xx::/40 /48 63949 no

2600:3c02:xx::/40 /40 63949 no

2600:3c02:80xx::/40 /32 63949 no

2600:3c82:xx::/40 /24 UNROUTED no

2600:bc02:xx::/40 /16 54600 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
2600:3c02:xx::/40	/120	63949	no
2600:3c02:xx::/40	/112	63949	no
2600:3c02:xx::/40	/104	63949	no
2600:3c02:xx::/40	/96	63949	no
2600:3c02:xx::/40	/88	63949	no
2600:3c02:xx::/40	/80	63949	no
2600:3c02:xx::/40	/72	63949	no
2600:3c02:xx::/40	/64	63949	no
2600:3c02:xx::/40	/56	63949	no
2600:3c02:xx::/40	/48	63949	no
2600:3c02:xx::/40	/40	63949	no
2600:3c02:80xx::/40	/32	63949	no
2600:3c82:xx::/40	/24	UNROUTED	no
2600:bc02:xx::/40	/16	54600	no

Summary:

The results from all tests are aggregated to produce a summary "State of IP Spoofing" report.

Feedback:

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