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Session Report

Summary:
Test run at: 2024-06-05 14:14:17 GMT
Client Prefix (v4): 177.70.248.x/24
Client AS (v4): 270628
IPv4 Probes: 69
Outbound spoofing summary (from the client to our server)
Source address type IPv4
Private - RFC1918 blocked
Routable received
Largest spoofable neighbor prefix length /8
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:

IPv4 AS Route:
This test run probed the following paths in order to infer your ability to send different spoofed source packets. Each node in the graph corresponds to an autonomous system, i.e. different Internet service providers. NOTE: This graph does NOT show if an AS blocks spoofed packets, only the path taken by received spoofed packets. The IP Path Details are available for this run. If non-spoofed packets weren't received at a destination, the traceroute to that destination is not included in this graph and may even cause a totally empty graph.

  

  

IPv4 Adjacent Netblock Testing:

Your host (177.70.248.x/24) can spoof 16777215 neighboring addresses (within your /8 prefix)


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
177.70.248.x/24/31270628yes
177.70.248.x/24/30270628yes
177.70.248.x/24/29270628yes
177.70.248.x/24/28270628yes
177.70.248.x/24/27270628yes
177.70.248.x/24/26270628yes
177.70.248.x/24/25270628yes
177.70.248.x/24/24270628yes
177.70.249.x/24/23270628yes
177.70.250.x/24/22270628yes
177.70.252.x/24/21264008yes
177.70.240.x/24/2052974yes
177.70.232.x/24/19263590yes
177.70.216.x/24/1853217yes
177.70.184.x/24/17262773yes
177.70.120.x/24/16262545yes
177.71.248.x/24/1516509yes
177.68.248.x/24/1427699yes
177.66.248.x/24/1352660yes
177.78.248.x/24/1226599yes
177.86.248.x/24/11262644yes
177.102.248.x/24/1027699yes
177.6.248.x/24/98167yes
177.198.248.x/24/826599yes

Meaning of status in Received column:

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 10 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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