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Session Report

Summary:
Test run at: 2022-08-29 15:08:25 GMT
Client Prefix (v4): 185.149.176.x/24
Client AS (v4): 21472 (SERVERHOUSE)
IPv4 Probes: 60
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 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 (185.149.176.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
185.149.176.x/24/3121472natblock
185.149.176.x/24/3021472natblock
185.149.176.x/24/2921472natblock
185.149.176.x/24/2821472natblock
185.149.176.x/24/2721472natblock
185.149.176.x/24/2621472natblock
185.149.176.x/24/2521472natblock
185.149.176.x/24/2421472natblock
185.149.177.x/24/2321472natblock
185.149.178.x/24/2221472natblock
185.149.180.x/24/21UNROUTEDnatblock
185.149.184.x/24/20UNROUTEDnatblock
185.149.160.x/24/19UNROUTEDnatblock
185.149.144.x/24/1862240natblock
185.149.240.x/24/1749505natblock
185.149.48.x/24/16202961natblock
185.148.176.x/24/1525400natblock
185.151.176.x/24/1429119natblock
185.145.176.x/24/13203068natblock
185.157.176.x/24/1224940natblock
185.133.176.x/24/1150930natblock
185.181.176.x/24/10206591natblock
185.213.176.x/24/961205natblock
185.21.176.x/24/850362natblock

Meaning of status in Received column:

natblockSpoofed probe packets appear to be blocked by your local NAT or firewall rather than being rewritten with a public source address.

IPv4 Outbound Filtering Depth:

The tracefilter test found your host able to spoof routable, non-adjacent source addresses through the first 2 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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