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Session Report

Summary:
Test run at: 2023-12-11 09:23:33 GMT
Client Prefix (v4): 37.43.178.x/24
Client AS (v4): 35819 (Mobily-AS)
IPv4 Probes: 69
Client Prefix (v6): 2a02:9b0:xx::/40
Client AS (v6): 35819 (Mobily-AS)
IPv6 Probes: 60
Outbound spoofing summary (from the client to our server)
Source address type IPv4IPv6
Private - RFC1918 or ULA blockedblocked
Routable blockedblocked
Largest spoofable neighbor prefix length none/64
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 (37.43.178.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
37.43.178.x/24/3135819natblock
37.43.178.x/24/3035819natblock
37.43.178.x/24/2935819natblock
37.43.178.x/24/2835819natblock
37.43.178.x/24/2735819natblock
37.43.178.x/24/2635819natblock
37.43.178.x/24/2535819natblock
37.43.178.x/24/2435819natblock
37.43.179.x/24/2335819natblock
37.43.176.x/24/2235819natblock
37.43.182.x/24/2135819natblock
37.43.186.x/24/2035819natblock
37.43.162.x/24/1935819natblock
37.43.146.x/24/1835819natblock
37.43.242.x/24/1735819natblock
37.43.50.x/24/1635819natblock
37.42.178.x/24/1535819natblock
37.41.178.x/24/1428885natblock
37.47.178.x/24/135617natblock
37.35.178.x/24/1212479natblock
37.59.178.x/24/1116276natblock
37.11.178.x/24/1012479natblock
37.107.178.x/24/925019natblock
37.171.178.x/24/851207natblock

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 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 probes:
Spoofed source addressDestinationReceived
2001:48d0:101:501::1592001:48d0:101:501::242no
2001:4978:1fb:6400::d22001:48d0:101:501::242no
2001:49aa:111:aa00::112001:48d0:101:501::242no
fd11:1111:1111::11112001:48d0:101:501::242no
2001:48d0:101:501::1592001:48d0:101:501::247no
2001:4978:1fb:6400::d22001:48d0:101:501::247no
2001:49aa:111:aa00::112001:48d0:101:501::247no
fd11:1111:1111::11112001:48d0:101:501::247no
2001:48d0:101:501::1592001:610:510:115:192:42:115:98no
2001:4978:1fb:6400::d22001:610:510:115:192:42:115:98no
2001:49aa:111:aa00::112001:610:510:115:192:42:115:98no
fd11:1111:1111::11112001:610:510:115:192:42:115:98no
2001:48d0:101:501::1592001:630:212:225:225:90ff:fe0c:45a6no
2001:4978:1fb:6400::d22001:630:212:225:225:90ff:fe0c:45a6no
2001:49aa:111:aa00::112001:630:212:225:225:90ff:fe0c:45a6no
fd11:1111:1111::11112001:630:212:225:225:90ff:fe0c:45a6no
2001:48d0:101:501::1592001:770:1c:7:225:90ff:fe0c:acb4no
2001:4978:1fb:6400::d22001:770:1c:7:225:90ff:fe0c:acb4no
2001:49aa:111:aa00::112001:770:1c:7:225:90ff:fe0c:acb4no
fd11:1111:1111::11112001:770:1c:7:225:90ff:fe0c:acb4no
IPv6 Adjacent Netblock Testing:
Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
2a02:9b0:xx::/40/12035819yes
2a02:9b0:xx::/40/11235819yes
2a02:9b0:xx::/40/10435819yes
2a02:9b0:xx::/40/9635819yes
2a02:9b0:xx::/40/8835819yes
2a02:9b0:xx::/40/8035819yes
2a02:9b0:xx::/40/7235819yes
2a02:9b0:xx::/40/6435819yes
2a02:9b0:xx::/40/5635819no
2a02:9b0:xx::/40/4835819no
2a02:9b0:xx::/40/4035819no
2a02:9b0:80xx::/40/3235819no
2a02:930:xx::/40/2444237no
2a02:89b0:xx::/40/16UNROUTEDno

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)
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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