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Session Report

Summary:
Test run at: 2023-05-11 16:43:11 GMT
Client Prefix (v4): 37.252.189.x/24
Client AS (v4): 44133 (IPAX-AS)
IPv4 Probes: 60
Client Prefix (v6): 2a00:63c1:xx::/40
Client AS (v6): 44133 (IPAX-AS)
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 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 (37.252.189.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
37.252.189.x/24/3144133no
37.252.189.x/24/3044133no
37.252.189.x/24/2944133no
37.252.189.x/24/2844133no
37.252.189.x/24/2744133no
37.252.189.x/24/2644133no
37.252.189.x/24/2544133no
37.252.189.x/24/2444133no
37.252.188.x/24/2344133no
37.252.191.x/24/2244133no
37.252.185.x/24/2144133no
37.252.181.x/24/20UNROUTEDno
37.252.173.x/24/1929990no
37.252.157.x/24/18UNROUTEDno
37.252.253.x/24/1742473no
37.252.61.x/24/1613037no
37.253.189.x/24/152119no
37.254.189.x/24/1458224no
37.248.189.x/24/138374no
37.244.189.x/24/1212810no
37.236.189.x/24/11203214no
37.220.189.x/24/108324no
37.188.189.x/24/95610no
37.124.189.x/24/834400no

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::1592001:40b0:7500:280::5458:517ano
2001:4978:1fb:6400::d22001:40b0:7500:280::5458:517ano
2001:49aa:111:aa00::112001:40b0:7500:280::5458:517ano
fd11:1111:1111::11112001:40b0:7500:280::5458:517ano
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
2a00:63c1:xx::/40/12044133yes
2a00:63c1:xx::/40/11244133yes
2a00:63c1:xx::/40/10444133yes
2a00:63c1:xx::/40/9644133yes
2a00:63c1:xx::/40/8844133yes
2a00:63c1:xx::/40/8044133yes
2a00:63c1:xx::/40/7244133yes
2a00:63c1:xx::/40/6444133yes
2a00:63c1:xx::/40/5644133no
2a00:63c1:xx::/40/4844133no
2a00:63c1:xx::/40/4044133no
2a00:63c1:80xx::/40/3244133no
2a00:6341:xx::/40/24UNROUTEDno
2a00:e3c1: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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