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Session Report

Summary:
Test run at: 2019-06-18 01:48:29 GMT
Client Prefix (v4): 31.133.0.x/24
Client AS (v4): 51290 (HOSTEAM-AS)
IPv4 Probes: 93
Outbound spoofing summary (from the client to our server)
Source address type IPv4
Private - RFC1918 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.

IPv4 Adjacent Netblock Testing:

Your host (31.133.0.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
31.133.0.x/24/3151290no
31.133.0.x/24/3051290no
31.133.0.x/24/2951290no
31.133.0.x/24/2851290no
31.133.0.x/24/2751290no
31.133.0.x/24/2651290no
31.133.0.x/24/2551290no
31.133.0.x/24/2451290no
31.133.1.x/24/2351290no
31.133.2.x/24/2251290no
31.133.4.x/24/2151290no
31.133.8.x/24/2056624no
31.133.16.x/24/1956646no
31.133.32.x/24/1852091no
31.133.64.x/24/1748882no
31.133.128.x/24/1656554no
31.132.0.x/24/1542831no
31.135.0.x/24/14199429no
31.129.0.x/24/1341789no
31.141.0.x/24/12UNROUTEDno
31.149.0.x/24/111136no
31.165.0.x/24/106730no
31.197.0.x/24/93269no
31.5.0.x/24/86830no

Meaning of status in Received column:

noPackets spoofed from adjacent netblock were not received, probably due to blocking

IPv4 Outbound Filtering Depth:

The tracefilter test found your host unable to spoof routable, non-adjacent source addresses through even the first IP hop.
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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