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Session Report

Summary:
Test run at: 2017-02-05 06:47:08 GMT
Client Prefix (v4): 128.199.77.x/24
Client AS (v4): 133165 (DIGITALOCEAN-AS-AP)
IPv4 Probes: 90
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 (128.199.77.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
128.199.77.x/24/31133165no
128.199.77.x/24/30133165no
128.199.77.x/24/29133165no
128.199.77.x/24/28133165no
128.199.77.x/24/27133165no
128.199.77.x/24/26133165no
128.199.77.x/24/25133165no
128.199.77.x/24/24133165no
128.199.76.x/24/23133165no
128.199.79.x/24/22133165no
128.199.73.x/24/21133165no
128.199.69.x/24/20133165no
128.199.93.x/24/19133165no
128.199.109.x/24/18133165no
128.199.13.x/24/17UNROUTEDno
128.199.205.x/24/16133165no
128.198.77.x/24/1514041no
128.197.77.x/24/14111no
128.195.77.x/24/13299no
128.207.77.x/24/12UNROUTEDno
128.215.77.x/24/11UNROUTEDno
128.231.77.x/24/103527no
128.135.77.x/24/9160no
128.71.77.x/24/83216no

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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