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Session Report

Summary:
Test run at: 2022-12-27 15:06:47 GMT
Client Prefix (v4): 128.208.61.x/24
Client AS (v4): 73 (WASHINGTON-AS)
IPv4 Probes: 60
Client Prefix (v6): 2607:4000:2xx::/40
Client AS (v6): 0
IPv6 Probes: 52
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 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.
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 (128.208.61.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
128.208.61.x/24/3173no
128.208.61.x/24/3073no
128.208.61.x/24/2973no
128.208.61.x/24/2873no
128.208.61.x/24/2773no
128.208.61.x/24/2673no
128.208.61.x/24/2573no
128.208.61.x/24/2473no
128.208.60.x/24/2373no
128.208.63.x/24/2273no
128.208.57.x/24/2173no
128.208.53.x/24/2073no
128.208.45.x/24/1973no
128.208.29.x/24/1873no
128.208.125.x/24/1773no
128.208.189.x/24/1673no
128.209.61.x/24/15UNROUTEDno
128.210.61.x/24/1417no
128.212.61.x/24/13UNROUTEDno
128.216.61.x/24/12749no
128.192.61.x/24/1136441no
128.240.61.x/24/10786no
128.144.61.x/24/9542no
128.80.61.x/24/8749no

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::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
2607:4000:2xx::/40/120UNROUTEDno
2607:4000:2xx::/40/112UNROUTEDno
2607:4000:2xx::/40/104UNROUTEDno
2607:4000:2xx::/40/96UNROUTEDno
2607:4000:2xx::/40/88UNROUTEDno
2607:4000:2xx::/40/80UNROUTEDno
2607:4000:2xx::/40/72UNROUTEDno
2607:4000:2xx::/40/64UNROUTEDno
2607:4000:2xx::/40/56UNROUTEDno
2607:4000:2xx::/40/48UNROUTEDno
2607:4000:2xx::/40/40UNROUTEDno
2607:4000:82xx::/40/32UNROUTEDno
2607:4080:2xx::/40/24UNROUTEDno
2607:c000:2xx::/40/16UNROUTEDno

Meaning of status in Received column:

noPackets spoofed from adjacent netblock were not received, probably due to blocking
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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