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Session Report

Summary:
Test run at: 2017-07-24 11:37:07 GMT
Client Prefix (v4): 84.16.242.x/24
Client AS (v4): 28753 (LEASEWEB-DE-FRA-10)
Client Prefix (v6): 2a00:c98:20xx::/40
Client AS (v6): 28753 (LEASEWEB-DE-FRA-10)
IPv6 Probes: 77
Outbound spoofing summary (from the client to our server)
Source address type IPv6
Private - ULA blocked
Routable blocked
Largest spoofable neighbor prefix length none
Spoof status key
receivedSpoofed packet was received.Pattern of tests from this IP block indicates a switch from allowing spoofing to blocking it.
rewrittenSpoofed packet was received, but the source address was changed en route.
blockedSpoofed packet was not received, but unspoofed packet was.
unknownNeither spoofed nor unspoofed packet was received.

IPv6 probes:

Spoofed source addressDestinationReceived
IPv6 Adjacent Netblock Testing:
Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
2a00:c98:20xx::/40/12028753natblock
2a00:c98:20xx::/40/11228753natblock
2a00:c98:20xx::/40/10428753natblock
2a00:c98:20xx::/40/9628753natblock
2a00:c98:20xx::/40/8828753natblock
2a00:c98:20xx::/40/8028753natblock
2a00:c98:20xx::/40/7228753natblock
2a00:c98:20xx::/40/6428753natblock
2a00:c98:20xx::/40/5628753natblock
2a00:c98:20xx::/40/4828753natblock
2a00:c98:20xx::/40/4028753natblock
2a00:c98:a0xx::/40/3228753natblock
2a00:c18:20xx::/40/24UNROUTEDnatblock
2a00:8c98:20xx::/40/16UNROUTEDnatblock

Meaning of status in Received column:

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