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Session Report

Summary:
Test run at: 2023-08-10 14:34:46 GMT
Client Prefix (v4): 41.242.152.x/24
Client AS (v4): 328594 (SUDATCHAD-AS)
IPv4 Probes: 63
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 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 (41.242.152.x/24) can spoof 2047 neighboring addresses (within your /21 prefix)


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
41.242.152.x/24/31328594yes
41.242.152.x/24/30328594yes
41.242.152.x/24/29328594yes
41.242.152.x/24/28328594yes
41.242.152.x/24/27328594yes
41.242.152.x/24/26328594yes
41.242.152.x/24/25328594yes
41.242.152.x/24/24328594yes
41.242.153.x/24/23328594yes
41.242.154.x/24/22328594yes
41.242.156.x/24/21328594yes
41.242.144.x/24/2048063no
41.242.136.x/24/19UNROUTEDno
41.242.184.x/24/1836974no
41.242.216.x/24/1737105no
41.242.24.x/24/1637566no
41.243.152.x/24/15UNROUTEDno
41.240.152.x/24/1436998no
41.246.152.x/24/1337457no
41.250.152.x/24/1236903no
41.226.152.x/24/1137705no
41.210.152.x/24/1020294no
41.178.152.x/24/924863no
41.114.152.x/24/816637no

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 (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 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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