Session Report

| Spoofer Project Page Download Client Software FAQ API Notifications |

| Data: Stats Summary Recent Tests Remediation Results by AS Results by Country Results by Provider |

Summary:

Test run at: 2017-10-16 18:58:40 GMT
Client Prefix (v4): 67.11.50.x/24
Client AS (v4): 11427 (TWC-11427-TEXAS)
Client Prefix (v6): 2605:6001:f1xx::/40
Client AS (v6): 11427 (TWC-11427-TEXAS)
IPv6 Probes: 68

Outbound spoofing summary (from the client to our server)

Source address type IPv6

Private - ULA blocked

Routable blocked

Largest spoofable neighbor prefix length /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	IPv6
Private - ULA	blocked
Routable	blocked
Largest spoofable neighbor prefix length	/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.

IPv6 probes:

Spoofed source address Destination Received

IPv6 Adjacent Netblock Testing:

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

2605:6001:f1xx::/40 /120 11427 yes

2605:6001:f1xx::/40 /112 11427 yes

2605:6001:f1xx::/40 /104 11427 yes

2605:6001:f1xx::/40 /96 11427 yes

2605:6001:f1xx::/40 /88 11427 yes

2605:6001:f1xx::/40 /80 11427 yes

2605:6001:f1xx::/40 /72 11427 yes

2605:6001:f1xx::/40 /64 11427 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
2605:6001:f1xx::/40	/120	11427	yes
2605:6001:f1xx::/40	/112	11427	yes
2605:6001:f1xx::/40	/104	11427	yes
2605:6001:f1xx::/40	/96	11427	yes
2605:6001:f1xx::/40	/88	11427	yes
2605:6001:f1xx::/40	/80	11427	yes
2605:6001:f1xx::/40	/72	11427	yes
2605:6001:f1xx::/40	/64	11427	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.

Last Modified