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Session Report

Summary:
Test run at: 2021-11-21 23:00:07 GMT
Client Prefix (v4): 46.149.109.x/24
Client AS (v4): 208059 (GRMML)
IPv4 Probes: 66
Client Prefix (v6): 2a10:200:xx::/40
Client AS (v6): 208059 (GRMML)
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 /29/64
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 (46.149.109.x/24) can spoof 7 neighboring addresses (within your /29 prefix)


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
46.149.109.x/24/31208059yes
46.149.109.x/24/30208059yes
46.149.109.x/24/29208059yes
46.149.109.x/24/28208059no
46.149.109.x/24/27208059no
46.149.109.x/24/26208059no
46.149.109.x/24/25208059no
46.149.109.x/24/24208059no
46.149.108.x/24/238681no
46.149.111.x/24/22212446no
46.149.105.x/24/21UNROUTEDno
46.149.101.x/24/2049830no
46.149.125.x/24/1952092no
46.149.77.x/24/18196936no
46.149.45.x/24/1751973no
46.149.237.x/24/1652175no
46.148.109.x/24/1548940no
46.151.109.x/24/1450802no
46.145.109.x/24/131136no
46.157.109.x/24/122119no
46.133.109.x/24/1121497no
46.181.109.x/24/1039927no
46.213.109.x/24/929256no
46.21.109.x/24/842708no

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
2a10:200:xx::/40/120208059yes
2a10:200:xx::/40/112208059yes
2a10:200:xx::/40/104208059yes
2a10:200:xx::/40/96208059yes
2a10:200:xx::/40/88208059yes
2a10:200:xx::/40/80208059yes
2a10:200:xx::/40/72208059yes
2a10:200:xx::/40/64208059yes
2a10:200:xx::/40/56208059no
2a10:200:xx::/40/48208059no
2a10:200:xx::/40/40208059no
2a10:200:80xx::/40/32UNROUTEDno
2a10:280:xx::/40/24UNROUTEDno
2a10:8200: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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