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: 2019-08-18 00:37:15 GMT
Client Prefix (v4): 23.227.190.x/24
Client AS (v4): 54540 (INCERO-HVVC)
IPv4 Probes: 96
Client Prefix (v6): 2604:880:xx::/40
Client AS (v6): 54540 (INCERO-HVVC)
IPv6 Probes: 76

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

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

23.227.190.x/24 /31 54540 no

23.227.190.x/24 /30 54540 no

23.227.190.x/24 /29 54540 no

23.227.190.x/24 /28 54540 no

23.227.190.x/24 /27 54540 no

23.227.190.x/24 /26 54540 no

23.227.190.x/24 /25 54540 no

23.227.190.x/24 /24 54540 no

23.227.191.x/24 /23 54540 no

23.227.188.x/24 /22 394727 no

23.227.186.x/24 /21 54540 no

23.227.182.x/24 /20 54540 no

23.227.174.x/24 /19 29802 no

23.227.158.x/24 /18 55081 no

23.227.254.x/24 /17 UNROUTED no

23.227.62.x/24 /16 62679 no

23.226.190.x/24 /15 40065 no

23.225.190.x/24 /14 40065 no

23.231.190.x/24 /13 20248 no

23.235.190.x/24 /12 136800 no

23.243.190.x/24 /11 20001 no

23.195.190.x/24 /10 28573 no

23.163.190.x/24 /9 UNROUTED no

23.99.190.x/24 /8 8075 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
23.227.190.x/24	/31	54540	no
23.227.190.x/24	/30	54540	no
23.227.190.x/24	/29	54540	no
23.227.190.x/24	/28	54540	no
23.227.190.x/24	/27	54540	no
23.227.190.x/24	/26	54540	no
23.227.190.x/24	/25	54540	no
23.227.190.x/24	/24	54540	no
23.227.191.x/24	/23	54540	no
23.227.188.x/24	/22	394727	no
23.227.186.x/24	/21	54540	no
23.227.182.x/24	/20	54540	no
23.227.174.x/24	/19	29802	no
23.227.158.x/24	/18	55081	no
23.227.254.x/24	/17	UNROUTED	no
23.227.62.x/24	/16	62679	no
23.226.190.x/24	/15	40065	no
23.225.190.x/24	/14	40065	no
23.231.190.x/24	/13	20248	no
23.235.190.x/24	/12	136800	no
23.243.190.x/24	/11	20001	no
23.195.190.x/24	/10	28573	no
23.163.190.x/24	/9	UNROUTED	no
23.99.190.x/24	/8	8075	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 2001:40b0:7500:280::5458:517a no
2001:4978:1fb:6400::d2 2001:40b0:7500:280::5458:517a no
2001:49aa:111:aa00::11 2001:40b0:7500:280::5458:517a no
fd11:1111:1111::1111 2001:40b0:7500:280::5458:517a no
2001:48d0:101:501::159 2001:410:102:1::78 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
2001:48d0:101:501::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 2001:708:40:2001:21c: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::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	2001:40b0:7500:280::5458:517a	no
2001:4978:1fb:6400::d2	2001:40b0:7500:280::5458:517a	no
2001:49aa:111:aa00::11	2001:40b0:7500:280::5458:517a	no
fd11:1111:1111::1111	2001:40b0:7500:280::5458:517a	no
2001:48d0:101:501::159	2001:410:102:1::78	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
2001:48d0:101:501::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	2001:708:40:2001:21c: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::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

2604:880:xx::/40 /120 54540 yes

2604:880:xx::/40 /112 54540 yes

2604:880:xx::/40 /104 54540 yes

2604:880:xx::/40 /96 54540 yes

2604:880:xx::/40 /88 54540 yes

2604:880:xx::/40 /80 54540 yes

2604:880:xx::/40 /72 54540 yes

2604:880:xx::/40 /64 54540 yes

2604:880:xx::/40 /56 54540 no

2604:880:xx::/40 /48 54540 no

2604:880:xx::/40 /40 UNROUTED no

2604:880:80xx::/40 /32 UNROUTED no

2604:800:xx::/40 /24 UNROUTED no

2604:8880:xx::/40 /16 8304 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
2604:880:xx::/40	/120	54540	yes
2604:880:xx::/40	/112	54540	yes
2604:880:xx::/40	/104	54540	yes
2604:880:xx::/40	/96	54540	yes
2604:880:xx::/40	/88	54540	yes
2604:880:xx::/40	/80	54540	yes
2604:880:xx::/40	/72	54540	yes
2604:880:xx::/40	/64	54540	yes
2604:880:xx::/40	/56	54540	no
2604:880:xx::/40	/48	54540	no
2604:880:xx::/40	/40	UNROUTED	no
2604:880:80xx::/40	/32	UNROUTED	no
2604:800:xx::/40	/24	UNROUTED	no
2604:8880:xx::/40	/16	8304	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)