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: 2019-02-25 15:55:31 GMT
Client Prefix (v4): 189.204.219.x/24
Client AS (v4): 18734
IPv4 Probes: 116
Client Prefix (v6): 2801:c4:xx::/40
Client AS (v6): 22122
IPv6 Probes: 82

Outbound spoofing summary (from the client to our server)

Source address type IPv4 IPv6

Private - RFC1918 or ULA unknown ✔ received

Routable unknown ✔ received

Largest spoofable neighbor prefix length none /16

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	unknown	✔	received
Routable	unknown	✔	received
Largest spoofable neighbor prefix length	none	/16

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 AS Route:

This test run probed the following paths in order to infer your ability to send different spoofed source packets. Each node in the graph corresponds to an autonomous system, i.e. different Internet service providers. NOTE: This graph does NOT show if an AS blocks spoofed packets, only the path taken by received spoofed packets. The IP Path Details are available for this run. If non-spoofed packets weren't received at a destination, the traceroute to that destination is not included in this graph and may even cause a totally empty graph.

IPv4 Adjacent Netblock Testing:

Your host (189.204.219.x/24) can spoof 0 neighboring addresses

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

189.204.219.x/24 /31 18734 natblock

189.204.219.x/24 /30 18734 natblock

189.204.219.x/24 /29 18734 natblock

189.204.219.x/24 /28 18734 natblock

189.204.219.x/24 /27 18734 natblock

189.204.219.x/24 /26 18734 natblock

189.204.219.x/24 /25 18734 natblock

189.204.219.x/24 /24 18734 natblock

189.204.218.x/24 /23 18734 natblock

189.204.217.x/24 /22 18734 natblock

189.204.223.x/24 /21 18734 natblock

189.204.211.x/24 /20 18734 natblock

189.204.203.x/24 /19 18734 natblock

189.204.251.x/24 /18 18734 natblock

189.204.155.x/24 /17 18734 natblock

189.204.91.x/24 /16 13591 natblock

189.205.219.x/24 /15 6503 natblock

189.206.219.x/24 /14 11172 natblock

189.200.219.x/24 /13 13591 natblock

189.196.219.x/24 /12 13999 natblock

189.220.219.x/24 /11 28509 natblock

189.236.219.x/24 /10 8151 natblock

189.140.219.x/24 /9 8151 natblock

189.76.219.x/24 /8 28360 natblock

Meaning of status in Received column:

natblock Spoofed probe packets appear to be blocked by your local NAT or firewall rather than being rewritten with a public source address.

Spoofed source address (anon)	Prefix Length	ASN of spoofed source address	Received
189.204.219.x/24	/31	18734	natblock
189.204.219.x/24	/30	18734	natblock
189.204.219.x/24	/29	18734	natblock
189.204.219.x/24	/28	18734	natblock
189.204.219.x/24	/27	18734	natblock
189.204.219.x/24	/26	18734	natblock
189.204.219.x/24	/25	18734	natblock
189.204.219.x/24	/24	18734	natblock
189.204.218.x/24	/23	18734	natblock
189.204.217.x/24	/22	18734	natblock
189.204.223.x/24	/21	18734	natblock
189.204.211.x/24	/20	18734	natblock
189.204.203.x/24	/19	18734	natblock
189.204.251.x/24	/18	18734	natblock
189.204.155.x/24	/17	18734	natblock
189.204.91.x/24	/16	13591	natblock
189.205.219.x/24	/15	6503	natblock
189.206.219.x/24	/14	11172	natblock
189.200.219.x/24	/13	13591	natblock
189.196.219.x/24	/12	13999	natblock
189.220.219.x/24	/11	28509	natblock
189.236.219.x/24	/10	8151	natblock
189.140.219.x/24	/9	8151	natblock
189.76.219.x/24	/8	28360	natblock

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 AS Route:

This test run probed the following paths in order to infer your ability to send different spoofed source packets. Each node in the graph corresponds to an autonomous system, i.e. different Internet service providers. NOTE: This graph does NOT show if an AS blocks spoofed packets, only the path taken by received spoofed packets. The IP Path Details are available for this run. If non-spoofed packets weren't received at a destination, the traceroute to that destination is not included in this graph and may even cause a totally empty graph.

IPv6 probes:

Spoofed source address Destination Received
2001:48d0:101:501:ec4:7aff:fea8:71a8 2001:388:1:5001:21c:c0ff:fea2:4a3a yes
2001:4978:1fb:6400::d2 2001:388:1:5001:21c:c0ff:fea2:4a3a yes
2001:49aa:111:aa00::11 2001:388:1:5001:21c:c0ff:fea2:4a3a yes
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 yes
2001:4978:1fb:6400::d2 2001:48d0:101:501::242 yes
2001:49aa:111:aa00::11 2001:48d0:101:501::242 yes
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 yes
2001:4978:1fb:6400::d2 2001:610:510:115:192:42:115:98 yes
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 yes
2001:4978:1fb:6400::d2 2001:630:212:225:225:90ff:fe0c:45a6 yes
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 yes
2001:4978:1fb:6400::d2 2001:708:40:2001:21c:c0ff:fea2:4c5c yes
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 yes
2001:4978:1fb:6400::d2 2001:770:18:7:225:90ff:fe0c:acb4 yes
2001:49aa:111:aa00::11 2001:770:18:7:225:90ff:fe0c:acb4 yes
fd11:1111:1111::1111 2001:770:18:7:225:90ff:fe0c:acb4 yes
2001:48d0:101:501:ec4:7aff:fea8:71a8 2001:df0:4:800:21c:c0ff:feb2:ad5f yes
2001:4978:1fb:6400::d2 2001:df0:4:800:21c:c0ff:feb2:ad5f yes
2001:49aa:111:aa00::11 2001:df0:4:800:21c:c0ff:feb2:ad5f yes
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 yes
2001:4978:1fb:6400::d2 2607:f278:2:13:ba27:ebff:fe3f:b21e yes
2001:49aa:111:aa00::11 2607:f278:2:13:ba27:ebff:fe3f:b21e yes
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	yes
2001:4978:1fb:6400::d2	2001:388:1:5001:21c:c0ff:fea2:4a3a	yes
2001:49aa:111:aa00::11	2001:388:1:5001:21c:c0ff:fea2:4a3a	yes
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	yes
2001:4978:1fb:6400::d2	2001:48d0:101:501::242	yes
2001:49aa:111:aa00::11	2001:48d0:101:501::242	yes
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	yes
2001:4978:1fb:6400::d2	2001:610:510:115:192:42:115:98	yes
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	yes
2001:4978:1fb:6400::d2	2001:630:212:225:225:90ff:fe0c:45a6	yes
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	yes
2001:4978:1fb:6400::d2	2001:708:40:2001:21c:c0ff:fea2:4c5c	yes
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	yes
2001:4978:1fb:6400::d2	2001:770:18:7:225:90ff:fe0c:acb4	yes
2001:49aa:111:aa00::11	2001:770:18:7:225:90ff:fe0c:acb4	yes
fd11:1111:1111::1111	2001:770:18:7:225:90ff:fe0c:acb4	yes
2001:48d0:101:501:ec4:7aff:fea8:71a8	2001:df0:4:800:21c:c0ff:feb2:ad5f	yes
2001:4978:1fb:6400::d2	2001:df0:4:800:21c:c0ff:feb2:ad5f	yes
2001:49aa:111:aa00::11	2001:df0:4:800:21c:c0ff:feb2:ad5f	yes
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	yes
2001:4978:1fb:6400::d2	2607:f278:2:13:ba27:ebff:fe3f:b21e	yes
2001:49aa:111:aa00::11	2607:f278:2:13:ba27:ebff:fe3f:b21e	yes
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

2801:c4:xx::/40 /120 22122 yes

2801:c4:xx::/40 /112 22122 yes

2801:c4:xx::/40 /104 22122 yes

2801:c4:xx::/40 /96 22122 yes

2801:c4:xx::/40 /88 22122 yes

2801:c4:xx::/40 /80 22122 yes

2801:c4:xx::/40 /72 22122 yes

2801:c4:xx::/40 /64 22122 yes

2801:c4:xx::/40 /56 22122 yes

2801:c4:xx::/40 /48 22122 yes

2801:c4:xx::/40 /40 UNROUTED yes

2801:c4:80xx::/40 /32 UNROUTED yes

2801:44:xx::/40 /24 UNROUTED yes

2801:80c4:xx::/40 /16 UNROUTED yes

Meaning of status in Received column:

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
2801:c4:xx::/40	/120	22122	yes
2801:c4:xx::/40	/112	22122	yes
2801:c4:xx::/40	/104	22122	yes
2801:c4:xx::/40	/96	22122	yes
2801:c4:xx::/40	/88	22122	yes
2801:c4:xx::/40	/80	22122	yes
2801:c4:xx::/40	/72	22122	yes
2801:c4:xx::/40	/64	22122	yes
2801:c4:xx::/40	/56	22122	yes
2801:c4:xx::/40	/48	22122	yes
2801:c4:xx::/40	/40	UNROUTED	yes
2801:c4:80xx::/40	/32	UNROUTED	yes
2801:44:xx::/40	/24	UNROUTED	yes
2801:80c4:xx::/40	/16	UNROUTED	yes

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.