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Session Report

Summary:
Test run at: 2021-01-05 06:52:08 GMT
Client Prefix (v4): 193.32.127.x/24
Client AS (v4): 39351 (ESAB-AS)
IPv4 Probes: 69
Client Prefix (v6): 2a03:1b20:xx::/40
Client AS (v6): 39351 (ESAB-AS)
IPv6 Probes: 60
Outbound spoofing summary (from the client to our server)
Source address type IPv4IPv6
Private - RFC1918 or ULA unknownunknown
Routable unknownunknown
Largest spoofable neighbor prefix length nonenone
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 (193.32.127.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
193.32.127.x/24/3139351sendto
193.32.127.x/24/3039351sendto
193.32.127.x/24/2939351sendto
193.32.127.x/24/2839351sendto
193.32.127.x/24/2739351sendto
193.32.127.x/24/2639351sendto
193.32.127.x/24/2539351sendto
193.32.127.x/24/2439351sendto
193.32.126.x/24/2339351sendto
193.32.125.x/24/22UNROUTEDsendto
193.32.123.x/24/21UNROUTEDsendto
193.32.119.x/24/20UNROUTEDsendto
193.32.111.x/24/1912390sendto
193.32.95.x/24/18UNROUTEDsendto
193.32.63.x/24/178484sendto
193.32.255.x/24/1641367sendto
193.33.127.x/24/15197353sendto
193.34.127.x/24/1429363sendto
193.36.127.x/24/139009sendto
193.40.127.x/24/123221sendto
193.48.127.x/24/112200sendto
193.0.127.x/24/108890sendto
193.96.127.x/24/9702sendto
193.160.127.x/24/8UNROUTEDsendto

Meaning of status in Received column:

sendtoThe spoofer client was unable to send spoofed headers due to an operating system restriction.

IPv4 Outbound Filtering Depth:

The tracefilter test found your host unable to spoof routable, non-adjacent source addresses through even the first IP hop.
IPv6 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.

  

  
IPv6 Adjacent Netblock Testing:
Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
2a03:1b20:xx::/40/12039351sendto
2a03:1b20:xx::/40/11239351sendto
2a03:1b20:xx::/40/10439351sendto
2a03:1b20:xx::/40/9639351sendto
2a03:1b20:xx::/40/8839351sendto
2a03:1b20:xx::/40/8039351sendto
2a03:1b20:xx::/40/7239351sendto
2a03:1b20:xx::/40/6439351sendto
2a03:1b20:xx::/40/5639351sendto
2a03:1b20:xx::/40/4839351sendto
2a03:1b20:xx::/40/40UNROUTEDsendto
2a03:1b20:80xx::/40/32UNROUTEDsendto
2a03:1ba0:xx::/40/24UNROUTEDsendto
2a03:9b20:xx::/40/16UNROUTEDsendto

Meaning of status in Received column:

sendtoThe spoofer client was unable to send spoofed headers due to an operating system restriction.
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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