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Session Report

Summary:
Test run at: 2022-03-05 07:06:24 GMT
Client Prefix (v4): 185.177.57.x/24
Client AS (v4): 44901 (belcloud)
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 Adjacent Netblock Testing:

Your host (185.177.57.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
185.177.57.x/24/3144901no
185.177.57.x/24/3044901no
185.177.57.x/24/2944901no
185.177.57.x/24/2844901no
185.177.57.x/24/2744901no
185.177.57.x/24/2644901no
185.177.57.x/24/2544901no
185.177.57.x/24/2444901no
185.177.56.x/24/23UNROUTEDno
185.177.59.x/24/2244901no
185.177.61.x/24/2129222no
185.177.49.x/24/2051840no
185.177.41.x/24/19202227no
185.177.25.x/24/18210773no
185.177.121.x/24/1757030no
185.177.185.x/24/1660924no
185.176.57.x/24/15206635no
185.179.57.x/24/14206674no
185.181.57.x/24/13UNROUTEDno
185.185.57.x/24/1248614no
185.161.57.x/24/1134087no
185.145.57.x/24/1034703no
185.241.57.x/24/934665no
185.49.57.x/24/8197075no

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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