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: 2017-01-06 21:24:13 GMT
Client Prefix (v4): 198.244.99.x/24
Client AS (v4): 54858 (AS-SBI)
IPv4 Probes: 104
Client Prefix (v6): 2604:4080:11xx::/40
Client AS (v6): 54858 (AS-SBI)
IPv6 Probes: 64

Outbound spoofing summary (from the client to our server)

Source address type IPv4 IPv6

Private - RFC1918 or ULA rewritten blocked

Routable rewritten 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	rewritten	blocked
Routable	rewritten	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.

Warnings:

⚠️ Your host is behind a Network Address Translation (NAT) router or firewall which rewrites the source addresses of the test traffic. To test your provider's network further, you must remove the NAT/firewall/router and connect directly.

IPv4 Adjacent Netblock Testing:

Your host (198.244.99.x/24) can spoof 0 neighboring addresses

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

198.244.99.x/24 /31 54858 rewritten

198.244.99.x/24 /30 54858 rewritten

198.244.99.x/24 /29 54858 rewritten

198.244.99.x/24 /28 54858 rewritten

198.244.99.x/24 /27 54858 rewritten

198.244.99.x/24 /26 54858 rewritten

198.244.99.x/24 /25 54858 rewritten

198.244.99.x/24 /24 54858 rewritten

198.244.98.x/24 /23 54858 rewritten

198.244.97.x/24 /22 54858 rewritten

198.244.103.x/24 /21 54858 rewritten

198.244.107.x/24 /20 54858 rewritten

198.244.115.x/24 /19 32614 rewritten

198.244.67.x/24 /18 UNROUTED rewritten

198.244.35.x/24 /17 UNROUTED rewritten

198.244.227.x/24 /16 UNROUTED rewritten

198.245.99.x/24 /15 36423 rewritten

198.246.99.x/24 /14 13611 rewritten

198.240.99.x/24 /13 53723 rewritten

198.252.99.x/24 /12 30496 rewritten

198.228.99.x/24 /11 UNROUTED rewritten

198.212.99.x/24 /10 26131 rewritten

198.180.99.x/24 /9 UNROUTED rewritten

198.116.99.x/24 /8 297 rewritten

Meaning of status in Received column:

rewritten The source address of the probe packets we received differs from the spoofed address. It appears that an intermediate device is rewriting your packet headers.

Spoofed source address (anon)	Prefix Length	ASN of spoofed source address	Received
198.244.99.x/24	/31	54858	rewritten
198.244.99.x/24	/30	54858	rewritten
198.244.99.x/24	/29	54858	rewritten
198.244.99.x/24	/28	54858	rewritten
198.244.99.x/24	/27	54858	rewritten
198.244.99.x/24	/26	54858	rewritten
198.244.99.x/24	/25	54858	rewritten
198.244.99.x/24	/24	54858	rewritten
198.244.98.x/24	/23	54858	rewritten
198.244.97.x/24	/22	54858	rewritten
198.244.103.x/24	/21	54858	rewritten
198.244.107.x/24	/20	54858	rewritten
198.244.115.x/24	/19	32614	rewritten
198.244.67.x/24	/18	UNROUTED	rewritten
198.244.35.x/24	/17	UNROUTED	rewritten
198.244.227.x/24	/16	UNROUTED	rewritten
198.245.99.x/24	/15	36423	rewritten
198.246.99.x/24	/14	13611	rewritten
198.240.99.x/24	/13	53723	rewritten
198.252.99.x/24	/12	30496	rewritten
198.228.99.x/24	/11	UNROUTED	rewritten
198.212.99.x/24	/10	26131	rewritten
198.180.99.x/24	/9	UNROUTED	rewritten
198.116.99.x/24	/8	297	rewritten

IPv4 Outbound Filtering Depth:

The tracefilter test found your host able to spoof routable, non-adjacent source addresses through the first 1 IP hop(s).

IPv6 probes:

Spoofed source address Destination Received
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
2001:4978:1fb: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
2001:4978:1fb: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
2001:4978:1fb: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
2001:4978:1fb: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
2001:4978:1fb: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
2001:4978:1fb: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
2001:4978:1fb: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

Spoofed source address	Destination	Received
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
2001:4978:1fb: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
2001:4978:1fb: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
2001:4978:1fb: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
2001:4978:1fb: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
2001:4978:1fb: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
2001:4978:1fb: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
2001:4978:1fb: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

Summary:

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

Feedback:

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