Logo

Session Report

Summary:
Test run at: 2020-06-20 23:44:46 GMT
Client Prefix (v4): 148.226.135.x/24
Client AS (v4): 7184
IPv4 Probes: 75
Client Prefix (v6): 2806:2f0:70xx::/40
Client AS (v6): 17072
IPv6 Probes: 68
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 (148.226.135.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
148.226.135.x/24/317184natblock
148.226.135.x/24/307184natblock
148.226.135.x/24/297184natblock
148.226.135.x/24/287184natblock
148.226.135.x/24/277184natblock
148.226.135.x/24/267184natblock
148.226.135.x/24/257184natblock
148.226.135.x/24/247184natblock
148.226.134.x/24/23UNROUTEDnatblock
148.226.133.x/24/227184natblock
148.226.131.x/24/217184natblock
148.226.143.x/24/207184natblock
148.226.151.x/24/19UNROUTEDnatblock
148.226.167.x/24/187184natblock
148.226.199.x/24/17UNROUTEDnatblock
148.226.7.x/24/167184natblock
148.227.135.x/24/158151natblock
148.224.135.x/24/14UNROUTEDnatblock
148.230.135.x/24/133549natblock
148.234.135.x/24/123454natblock
148.242.135.x/24/11UNROUTEDnatblock
148.194.135.x/24/1018819natblock
148.162.135.x/24/9UNROUTEDnatblock
148.98.135.x/24/8UNROUTEDnatblock

Meaning of status in Received column:

natblockSpoofed probe packets appear to be blocked by your local NAT or firewall rather than being rewritten with a public source address.

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::1592001:770:18:7:225:90ff:fe0c:acb4no
2001:4978:1fb:6400::d22001:770:18:7:225:90ff:fe0c:acb4no
2001:49aa:111:aa00::112001:770:18:7:225:90ff:fe0c:acb4no
fd11:1111:1111::11112001:770:18:7:225:90ff:fe0c:acb4no
2001:48d0:101:501::1592001:df0:4:800:21c:c0ff:feb2:ad5fno
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
2806:2f0:70xx::/40/12017072yes
2806:2f0:70xx::/40/11217072yes
2806:2f0:70xx::/40/10417072yes
2806:2f0:70xx::/40/9617072yes
2806:2f0:70xx::/40/8817072yes
2806:2f0:70xx::/40/8017072yes
2806:2f0:70xx::/40/7217072yes
2806:2f0:70xx::/40/6417072yes
2806:2f0:70xx::/40/5617072no
2806:2f0:70xx::/40/4817072no
2806:2f0:70xx::/40/4022884no
2806:2f0:f0xx::/40/32UNROUTEDno
2806:270:70xx::/40/2419373no
2806:82f0:70xx::/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.
Last Modified