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Session Report

Summary:
Test run at: 2023-10-29 22:35:24 GMT
Client Prefix (v4): 45.177.211.x/24
Client AS (v4): 268999
IPv4 Probes: 69
Client Prefix (v6): 2804:5de4:2xx::/40
Client AS (v6): 268999
IPv6 Probes: 60
Outbound spoofing summary (from the client to our server)
Source address type IPv4IPv6
Private - RFC1918 or ULA rewrittenblocked
Routable receivedreceived
Largest spoofable neighbor prefix length none/24
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.

Warnings:

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 (45.177.211.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
45.177.211.x/24/31268999rewritten
45.177.211.x/24/30268999rewritten
45.177.211.x/24/29268999rewritten
45.177.211.x/24/28268999rewritten
45.177.211.x/24/27268999rewritten
45.177.211.x/24/26268999rewritten
45.177.211.x/24/25268999rewritten
45.177.211.x/24/24268999rewritten
45.177.210.x/24/23268999rewritten
45.177.209.x/24/22268999rewritten
45.177.215.x/24/21268995rewritten
45.177.219.x/24/20269000rewritten
45.177.195.x/24/19269030rewritten
45.177.243.x/24/18269050rewritten
45.177.147.x/24/17264732rewritten
45.177.83.x/24/16267897rewritten
45.176.211.x/24/15268953rewritten
45.179.211.x/24/14269116rewritten
45.181.211.x/24/13269201rewritten
45.185.211.x/24/12269559rewritten
45.161.211.x/24/11268488rewritten
45.145.211.x/24/1015391rewritten
45.241.211.x/24/924863rewritten
45.49.211.x/24/820001rewritten

Meaning of status in Received column:

rewrittenThe source address of the probe packets we received differs from the spoofed address. It appears that an intermediate device is rewriting your packet headers.

IPv4 Outbound Filtering Depth:

The tracefilter test found your host able to spoof routable, non-adjacent source addresses through the first 10 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::1592001:40b0:7500:280::5458:517ayes
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::242yes
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::247yes
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::1592001:610:510:115:192:42:115:98yes
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:45a6yes
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:acb4yes
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
2804:5de4:2xx::/40/120268999yes
2804:5de4:2xx::/40/112268999yes
2804:5de4:2xx::/40/104268999yes
2804:5de4:2xx::/40/96268999yes
2804:5de4:2xx::/40/88268999yes
2804:5de4:2xx::/40/80268999yes
2804:5de4:2xx::/40/72268999yes
2804:5de4:2xx::/40/64268999yes
2804:5de4:2xx::/40/56268999yes
2804:5de4:2xx::/40/48268999yes
2804:5de4:2xx::/40/40268999yes
2804:5de4:82xx::/40/32UNROUTEDno
2804:5d64:2xx::/40/24268969yes
2804:dde4:2xx::/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
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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