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Session Report

Summary:
Test run at: 2022-01-12 17:36:39 GMT
Client Prefix (v6): 2603:3001:19xx::/40
Client AS (v6): 7922 (COMCAST-7922)
IPv6 Probes: 52
Outbound spoofing summary (from the client to our server)
Source address type IPv6
Private - ULA unknown
Routable unknown
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.

Warnings:

IPv6 Adjacent Netblock Testing:

Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
2603:3001:19xx::/40/1207922no
2603:3001:19xx::/40/1127922no
2603:3001:19xx::/40/1047922no
2603:3001:19xx::/40/967922no
2603:3001:19xx::/40/887922no
2603:3001:19xx::/40/807922no
2603:3001:19xx::/40/727922no
2603:3001:19xx::/40/647922no
2603:3001:19xx::/40/567922no
2603:3001:19xx::/40/487922no
2603:3001:19xx::/40/407922no
2603:3001:99xx::/40/327922no
2603:3081:19xx::/40/247922no
2603:b001:19xx::/40/1611796no

Meaning of status in Received column:

noPackets spoofed from adjacent netblock were not received, probably due to blocking
Summary:
The results from all tests are aggregated to produce a summary "State of IP Spoofing" report.
Feedback:
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