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Session Report

Summary:
Test run at: 2021-03-05 05:08:53 GMT
Client Prefix (v4): 45.148.173.x/24
Client AS (v4): 51044 (RHE)
IPv4 Probes: 69
Client Prefix (v6): 2001:b011:a4xx::/40
Client AS (v6): 3462 (HINET)
IPv6 Probes: 60
Outbound spoofing summary (from the client to our server)
Source address type IPv4IPv6
Private - RFC1918 or ULA blockedblocked
Routable blockedreceived
Largest spoofable neighbor prefix length none/16
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 (45.148.173.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
45.148.173.x/24/3151044no
45.148.173.x/24/3051044no
45.148.173.x/24/2951044no
45.148.173.x/24/2851044no
45.148.173.x/24/2751044no
45.148.173.x/24/2651044no
45.148.173.x/24/2551044no
45.148.173.x/24/2451044no
45.148.172.x/24/2351044no
45.148.175.x/24/2251044no
45.148.169.x/24/21205668no
45.148.165.x/24/208100no
45.148.189.x/24/19204287no
45.148.141.x/24/18206238no
45.148.237.x/24/17UNROUTEDno
45.148.45.x/24/16212384no
45.149.173.x/24/15UNROUTEDno
45.150.173.x/24/14212219no
45.144.173.x/24/13UNROUTEDno
45.156.173.x/24/12208164no
45.132.173.x/24/1149847no
45.180.173.x/24/10207427no
45.212.173.x/24/937287no
45.20.173.x/24/87018no

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.
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::242yes
2001:4978:1fb:6400::d22001:48d0:101:501::242yes
2001:49aa:111:aa00::112001:48d0:101:501::242yes
fd11:1111:1111::11112001:48d0:101:501::242no
2001:48d0:101:501::1592001:48d0:101:501::247yes
2001:4978:1fb:6400::d22001:48d0:101:501::247yes
2001:49aa:111:aa00::112001:48d0:101:501::247yes
fd11:1111:1111::11112001:48d0:101:501::247no
2001:48d0:101:501::1592001:630:212:225:225:90ff:fe0c:45a6yes
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:acb4yes
2001:4978:1fb:6400::d22001:770:1c:7:225:90ff:fe0c:acb4yes
2001:49aa:111:aa00::112001:770:1c:7:225:90ff:fe0c:acb4yes
fd11:1111:1111::11112001:770:1c:7:225:90ff:fe0c:acb4no
2001:48d0:101:501::1592001:df0:4:800:21c:c0ff:feb2:ad5fyes
2001:4978:1fb:6400::d22001:df0:4:800:21c:c0ff:feb2:ad5fno
2001:49aa:111:aa00::112001:df0:4:800:21c:c0ff:feb2:ad5fno
fd11:1111:1111::11112001:df0:4:800:21c:c0ff:feb2:ad5fno
IPv6 Adjacent Netblock Testing:
Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
2001:b011:a4xx::/40/1203462yes
2001:b011:a4xx::/40/1123462yes
2001:b011:a4xx::/40/1043462yes
2001:b011:a4xx::/40/963462yes
2001:b011:a4xx::/40/883462yes
2001:b011:a4xx::/40/803462yes
2001:b011:a4xx::/40/723462yes
2001:b011:a4xx::/40/643462yes
2001:b011:a4xx::/40/563462yes
2001:b011:a4xx::/40/483462yes
2001:b011:a4xx::/40/403462yes
2001:b011:24xx::/40/323462yes
2001:b091:a4xx::/40/243462yes
2001:3011:a4xx::/40/16UNROUTEDyes

Meaning of status in Received column:

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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