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Session Report

Summary:
Test run at: 2019-02-21 15:21:43 GMT
Client Prefix (v4): 168.121.186.x/24
Client AS (v4): 28000
Client Prefix (v6): 2001:13c7:70xx::/40
Client AS (v6): 28000
IPv6 Probes: 82
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
2001:13c7:70xx::/40/12028000no
2001:13c7:70xx::/40/11228000no
2001:13c7:70xx::/40/10428000no
2001:13c7:70xx::/40/9628000no
2001:13c7:70xx::/40/8828000no
2001:13c7:70xx::/40/8028000no
2001:13c7:70xx::/40/7228000no
2001:13c7:70xx::/40/6428000no
2001:13c7:70xx::/40/5628000no
2001:13c7:70xx::/40/4828000no
2001:13c7:70xx::/40/40UNROUTEDno
2001:13c7:f0xx::/40/32UNROUTEDno
2001:1347:70xx::/40/24UNROUTEDno
2001:93c7:70xx::/40/16UNROUTEDno

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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