Logo

Session Report

Summary:
Test run at: 2022-02-08 18:46:45 GMT
Client Prefix (v4): 167.249.183.x/24
Client AS (v4): 263098
IPv4 Probes: 63
Client Prefix (v6): 2804:176c:9xx::/40
Client AS (v6): 263098
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/48
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 (167.249.183.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
167.249.183.x/24/31263098no
167.249.183.x/24/30263098no
167.249.183.x/24/29263098no
167.249.183.x/24/28263098no
167.249.183.x/24/27263098no
167.249.183.x/24/26263098no
167.249.183.x/24/25263098no
167.249.183.x/24/24263098no
167.249.182.x/24/23263098no
167.249.181.x/24/22263098no
167.249.179.x/24/2128287no
167.249.191.x/24/2052974no
167.249.167.x/24/19265188no
167.249.151.x/24/1861649no
167.249.247.x/24/17265173no
167.249.55.x/24/16264738no
167.248.183.x/24/15398721no
167.251.183.x/24/1414946no
167.253.183.x/24/136181no
167.241.183.x/24/12UNROUTEDno
167.233.183.x/24/1124940no
167.217.183.x/24/106461no
167.185.183.x/24/9UNROUTEDno
167.121.183.x/24/810662no

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 able to spoof routable, non-adjacent source addresses through the first 1 IP hop(s).
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
2804:176c:9xx::/40/120263098yes
2804:176c:9xx::/40/112263098yes
2804:176c:9xx::/40/104263098yes
2804:176c:9xx::/40/96263098yes
2804:176c:9xx::/40/88263098yes
2804:176c:9xx::/40/80263098yes
2804:176c:9xx::/40/72263098yes
2804:176c:9xx::/40/64263098yes
2804:176c:9xx::/40/56263098yes
2804:176c:9xx::/40/48263098yes
2804:176c:9xx::/40/40263098no
2804:176c:89xx::/40/32263098no
2804:17ec:9xx::/40/24UNROUTEDno
2804:976c:9xx::/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