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Session Report

Summary:
Test run at: 2022-08-03 20:38:36 GMT
Client Prefix (v4): 77.98.114.x/24
Client AS (v4): 5089 (NTL)
Client Prefix (v6): 2a10:1fc0:xx::/40
Client AS (v6): 42708 (PORTLANE)
IPv6 Probes: 52
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
2a10:1fc0:xx::/40/12042708natblock
2a10:1fc0:xx::/40/11242708natblock
2a10:1fc0:xx::/40/10442708natblock
2a10:1fc0:xx::/40/9642708natblock
2a10:1fc0:xx::/40/8842708natblock
2a10:1fc0:xx::/40/8042708natblock
2a10:1fc0:xx::/40/7242708natblock
2a10:1fc0:xx::/40/6442708natblock
2a10:1fc0:xx::/40/5642708natblock
2a10:1fc0:xx::/40/4842708natblock
2a10:1fc0:xx::/40/40UNROUTEDnatblock
2a10:1fc0:80xx::/40/32UNROUTEDnatblock
2a10:1f40:xx::/40/24211007natblock
2a10:9fc0:xx::/40/1640970natblock

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:
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