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Session Report

Summary:
Test run at: 2018-06-24 20:36:45 GMT
Client Prefix (v4): 199.91.197.x/24
Client AS (v4): 27500 (ICANN-MEETINGS)
Client Prefix (v6): 2620:f:80xx::/40
Client AS (v6): 27500 (ICANN-MEETINGS)
IPv6 Probes: 65
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
2620:f:80xx::/40/12027500sendto
2620:f:80xx::/40/11227500sendto
2620:f:80xx::/40/10427500sendto
2620:f:80xx::/40/9627500sendto
2620:f:80xx::/40/8827500sendto
2620:f:80xx::/40/8027500sendto
2620:f:80xx::/40/7227500sendto
2620:f:80xx::/40/6427500sendto
2620:f:80xx::/40/5627500sendto
2620:f:80xx::/40/4827500sendto
2620:f:80xx::/40/40UNROUTEDsendto
2620:f:xx::/40/323754sendto
2620:8f:80xx::/40/24209sendto
2620:800f:80xx::/40/16UNROUTEDsendto

Meaning of status in Received column:

sendtoThe spoofer client was unable to send spoofed headers due to an operating system restriction.
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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