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: 2020-01-29 11:47:53 GMT
Client Prefix (v4): 138.121.52.x/24
Client AS (v4): 264281
IPv4 Probes: 75
Client Prefix (v6): 2804:4308:40xx::/40
Client AS (v6): 267544
IPv6 Probes: 72

Outbound spoofing summary (from the client to our server)

Source address type IPv4 IPv6

Private - RFC1918 or ULA ✔ blocked blocked

Routable ✔ received blocked

Largest spoofable neighbor prefix length none /32

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	✔	received	blocked
Largest spoofable neighbor prefix length	none	/32

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 but spoofed packets are still being received without modification. See here for more information.

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

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

138.121.52.x/24 /31 264281 sendto

138.121.52.x/24 /30 264281 sendto

138.121.52.x/24 /29 264281 sendto

138.121.52.x/24 /28 264281 sendto

138.121.52.x/24 /27 264281 sendto

138.121.52.x/24 /26 264281 sendto

138.121.52.x/24 /25 264281 sendto

138.121.52.x/24 /24 264281 sendto

138.121.53.x/24 /23 264281 sendto

138.121.54.x/24 /22 264281 sendto

138.121.48.x/24 /21 264278 sendto

138.121.60.x/24 /20 262809 sendto

138.121.36.x/24 /19 264279 sendto

138.121.20.x/24 /18 264286 sendto

138.121.116.x/24 /17 264295 sendto

138.121.180.x/24 /16 264302 sendto

138.120.52.x/24 /15 8983 sendto

138.123.52.x/24 /14 46887 sendto

138.125.52.x/24 /13 UNROUTED sendto

138.113.52.x/24 /12 UNROUTED sendto

138.105.52.x/24 /11 UNROUTED sendto

138.89.52.x/24 /10 701 sendto

138.57.52.x/24 /9 UNROUTED sendto

138.249.52.x/24 /8 UNROUTED sendto

Meaning of status in Received column:

sendto The spoofer client was unable to send spoofed headers due to an operating system restriction.

Spoofed source address (anon)	Prefix Length	ASN of spoofed source address	Received
138.121.52.x/24	/31	264281	sendto
138.121.52.x/24	/30	264281	sendto
138.121.52.x/24	/29	264281	sendto
138.121.52.x/24	/28	264281	sendto
138.121.52.x/24	/27	264281	sendto
138.121.52.x/24	/26	264281	sendto
138.121.52.x/24	/25	264281	sendto
138.121.52.x/24	/24	264281	sendto
138.121.53.x/24	/23	264281	sendto
138.121.54.x/24	/22	264281	sendto
138.121.48.x/24	/21	264278	sendto
138.121.60.x/24	/20	262809	sendto
138.121.36.x/24	/19	264279	sendto
138.121.20.x/24	/18	264286	sendto
138.121.116.x/24	/17	264295	sendto
138.121.180.x/24	/16	264302	sendto
138.120.52.x/24	/15	8983	sendto
138.123.52.x/24	/14	46887	sendto
138.125.52.x/24	/13	UNROUTED	sendto
138.113.52.x/24	/12	UNROUTED	sendto
138.105.52.x/24	/11	UNROUTED	sendto
138.89.52.x/24	/10	701	sendto
138.57.52.x/24	/9	UNROUTED	sendto
138.249.52.x/24	/8	UNROUTED	sendto

IPv4 Outbound Filtering Depth:

The tracefilter test found your host able to spoof routable, non-adjacent source addresses through the first 10 IP hop(s).

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::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 2001:48d0:101:501::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	2001:40b0:7500:280::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	2001:48d0:101:501::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

2804:4308:40xx::/40 /120 267544 yes

2804:4308:40xx::/40 /112 267544 yes

2804:4308:40xx::/40 /104 267544 yes

2804:4308:40xx::/40 /96 267544 yes

2804:4308:40xx::/40 /88 267544 yes

2804:4308:40xx::/40 /80 267544 yes

2804:4308:40xx::/40 /72 267544 yes

2804:4308:40xx::/40 /64 267544 yes

2804:4308:40xx::/40 /56 267544 yes

2804:4308:40xx::/40 /48 267544 yes

2804:4308:40xx::/40 /40 267544 yes

2804:4308:c0xx::/40 /32 267544 yes

2804:4388:40xx::/40 /24 267576 no

2804:c308:40xx::/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
2804:4308:40xx::/40	/120	267544	yes
2804:4308:40xx::/40	/112	267544	yes
2804:4308:40xx::/40	/104	267544	yes
2804:4308:40xx::/40	/96	267544	yes
2804:4308:40xx::/40	/88	267544	yes
2804:4308:40xx::/40	/80	267544	yes
2804:4308:40xx::/40	/72	267544	yes
2804:4308:40xx::/40	/64	267544	yes
2804:4308:40xx::/40	/56	267544	yes
2804:4308:40xx::/40	/48	267544	yes
2804:4308:40xx::/40	/40	267544	yes
2804:4308:c0xx::/40	/32	267544	yes
2804:4388:40xx::/40	/24	267576	no
2804:c308:40xx::/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)