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Session Report

Summary:
Test run at: 2017-04-24 10:29:10 GMT
Client Prefix (v4): 45.119.81.x/24
Client AS (v4): 131386 (LVSS-AS-VN)
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 /21
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 (45.119.81.x/24) can spoof 2047 neighboring addresses (within your /21 prefix)


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
45.119.81.x/24/31131386yes
45.119.81.x/24/30131386yes
45.119.81.x/24/29131386yes
45.119.81.x/24/28131386yes
45.119.81.x/24/27131386yes
45.119.81.x/24/26131386yes
45.119.81.x/24/25131386yes
45.119.81.x/24/24131386yes
45.119.80.x/24/23131386yes
45.119.83.x/24/22131386yes
45.119.85.x/24/21131344yes
45.119.89.x/24/2055507no
45.119.65.x/24/19UNROUTEDno
45.119.113.x/24/1818229no
45.119.17.x/24/179829no
45.119.209.x/24/1627176no
45.118.81.x/24/159829no
45.117.81.x/24/14131353no
45.115.81.x/24/13UNROUTEDno
45.127.81.x/24/129829no
45.103.81.x/24/1137069no
45.87.81.x/24/10UNROUTEDno
45.55.81.x/24/914061no
45.247.81.x/24/824863no

Meaning of status in Received column:

noPackets spoofed from adjacent netblock were not received, probably due to blocking
yesPackets spoofed from adjacent netblock were received
yesPackets spoofed from adjacent netblock were received (but that netblock is within the source AS)

IPv4 Outbound Filtering Depth:

The tracefilter test found your host able to spoof routable, non-adjacent source addresses through the first 1 IP hop(s).
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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