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Session Report

Summary:
Test run at: 2021-08-29 04:23:04 GMT
Client Prefix (v4): 91.202.41.x/24
Client AS (v4): 49855 (PLUTEX)
IPv4 Probes: 66
Client Prefix (v6): 2a02:16d0:xx::/40
Client AS (v6): 49855 (PLUTEX)
IPv6 Probes: 56
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 /30/64
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 (91.202.41.x/24) can spoof 3 neighboring addresses (within your /30 prefix)


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
91.202.41.x/24/3149855yes
91.202.41.x/24/3049855yes
91.202.41.x/24/2949855no
91.202.41.x/24/2849855no
91.202.41.x/24/2749855no
91.202.41.x/24/2649855no
91.202.41.x/24/2549855no
91.202.41.x/24/2449855no
91.202.40.x/24/2349855no
91.202.43.x/24/2249855no
91.202.45.x/24/2144640no
91.202.33.x/24/20UNROUTEDno
91.202.57.x/24/1939248no
91.202.9.x/24/1844487no
91.202.105.x/24/1744668no
91.202.169.x/24/1644709no
91.203.41.x/24/1544838no
91.200.41.x/24/1443773no
91.206.41.x/24/1347390no
91.194.41.x/24/12UNROUTEDno
91.218.41.x/24/1112714no
91.234.41.x/24/10196957no
91.138.41.x/24/915600no
91.74.41.x/24/815802no

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 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
2a02:16d0:xx::/40/12049855yes
2a02:16d0:xx::/40/11249855yes
2a02:16d0:xx::/40/10449855yes
2a02:16d0:xx::/40/9649855yes
2a02:16d0:xx::/40/8849855yes
2a02:16d0:xx::/40/8049855yes
2a02:16d0:xx::/40/7249855yes
2a02:16d0:xx::/40/6449855yes
2a02:16d0:xx::/40/5649855no
2a02:16d0:xx::/40/4849855no
2a02:16d0:xx::/40/4049855no
2a02:16d0:80xx::/40/3249855no
2a02:1650:xx::/40/24UNROUTEDno
2a02:96d0: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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