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: 2025-03-16 05:00:03 GMT
Client Prefix (v4): 210.79.129.x/24
Client AS (v4): 152129
IPv4 Probes: 162
Client Prefix (v6): 2401:5420:xx::/40
Client AS (v6): 152129
IPv6 Probes: 56

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

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

210.79.129.x/24 /31 152129 natblock

210.79.129.x/24 /30 152129 natblock

210.79.129.x/24 /29 152129 natblock

210.79.129.x/24 /28 152129 natblock

210.79.129.x/24 /27 152129 natblock

210.79.129.x/24 /26 152129 natblock

210.79.129.x/24 /25 152129 natblock

210.79.129.x/24 /24 152129 natblock

210.79.128.x/24 /23 152129 natblock

210.79.131.x/24 /22 152127 natblock

210.79.133.x/24 /21 151694 natblock

210.79.137.x/24 /20 151727 natblock

210.79.145.x/24 /19 152131 natblock

210.79.161.x/24 /18 58495 natblock

210.79.193.x/24 /17 18282 natblock

210.79.1.x/24 /16 17506 natblock

210.78.129.x/24 /15 UNROUTED natblock

210.77.129.x/24 /14 23724 natblock

210.75.129.x/24 /13 138968 natblock

210.71.129.x/24 /12 3462 natblock

210.95.129.x/24 /11 4766 natblock

210.111.129.x/24 /10 10171 natblock

210.15.129.x/24 /9 UNROUTED natblock

210.207.129.x/24 /8 3786 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
210.79.129.x/24	/31	152129	natblock
210.79.129.x/24	/30	152129	natblock
210.79.129.x/24	/29	152129	natblock
210.79.129.x/24	/28	152129	natblock
210.79.129.x/24	/27	152129	natblock
210.79.129.x/24	/26	152129	natblock
210.79.129.x/24	/25	152129	natblock
210.79.129.x/24	/24	152129	natblock
210.79.128.x/24	/23	152129	natblock
210.79.131.x/24	/22	152127	natblock
210.79.133.x/24	/21	151694	natblock
210.79.137.x/24	/20	151727	natblock
210.79.145.x/24	/19	152131	natblock
210.79.161.x/24	/18	58495	natblock
210.79.193.x/24	/17	18282	natblock
210.79.1.x/24	/16	17506	natblock
210.78.129.x/24	/15	UNROUTED	natblock
210.77.129.x/24	/14	23724	natblock
210.75.129.x/24	/13	138968	natblock
210.71.129.x/24	/12	3462	natblock
210.95.129.x/24	/11	4766	natblock
210.111.129.x/24	/10	10171	natblock
210.15.129.x/24	/9	UNROUTED	natblock
210.207.129.x/24	/8	3786	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 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 2001:770:1c: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
2001:48d0:101:501::159 2607:8400:2880:4::80df:9d0d no
2001:4978:1fb:6400::d2 2607:8400:2880:4::80df:9d0d no
2001:49aa:111:aa00::11 2607:8400:2880:4::80df:9d0d no
fd11:1111:1111::1111 2607:8400:2880:4::80df:9d0d no
2001:48d0:101:501::159 2607:f278:2:13:da3a:ddff:fe30:ce14 no
2001:4978:1fb:6400::d2 2607:f278:2:13:da3a:ddff:fe30:ce14 no
2001:49aa:111:aa00::11 2607:f278:2:13:da3a:ddff:fe30:ce14 no
fd11:1111:1111::1111 2607:f278:2:13:da3a:ddff:fe30:ce14 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	2001:770:1c: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
2001:48d0:101:501::159	2607:8400:2880:4::80df:9d0d	no
2001:4978:1fb:6400::d2	2607:8400:2880:4::80df:9d0d	no
2001:49aa:111:aa00::11	2607:8400:2880:4::80df:9d0d	no
fd11:1111:1111::1111	2607:8400:2880:4::80df:9d0d	no
2001:48d0:101:501::159	2607:f278:2:13:da3a:ddff:fe30:ce14	no
2001:4978:1fb:6400::d2	2607:f278:2:13:da3a:ddff:fe30:ce14	no
2001:49aa:111:aa00::11	2607:f278:2:13:da3a:ddff:fe30:ce14	no
fd11:1111:1111::1111	2607:f278:2:13:da3a:ddff:fe30:ce14	no

IPv6 Adjacent Netblock Testing:

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

2401:5420:xx::/40 /120 152129 no

2401:5420:xx::/40 /112 152129 no

2401:5420:xx::/40 /104 152129 no

2401:5420:xx::/40 /96 152129 no

2401:5420:xx::/40 /88 152129 no

2401:5420:xx::/40 /80 152129 no

2401:5420:xx::/40 /72 152129 no

2401:5420:xx::/40 /64 152129 no

2401:5420:xx::/40 /56 152129 no

2401:5420:xx::/40 /48 152129 no

2401:5420:xx::/40 /40 152129 no

2401:5420:80xx::/40 /32 152129 no

2401:54a0:xx::/40 /24 UNROUTED no

2401:d420:xx::/40 /16 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
2401:5420:xx::/40	/120	152129	no
2401:5420:xx::/40	/112	152129	no
2401:5420:xx::/40	/104	152129	no
2401:5420:xx::/40	/96	152129	no
2401:5420:xx::/40	/88	152129	no
2401:5420:xx::/40	/80	152129	no
2401:5420:xx::/40	/72	152129	no
2401:5420:xx::/40	/64	152129	no
2401:5420:xx::/40	/56	152129	no
2401:5420:xx::/40	/48	152129	no
2401:5420:xx::/40	/40	152129	no
2401:5420:80xx::/40	/32	152129	no
2401:54a0:xx::/40	/24	UNROUTED	no
2401:d420:xx::/40	/16	UNROUTED	no

Summary:

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

Feedback:

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