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Session Report

Summary:
Test run at: 2022-08-10 01:31:06 GMT
Client Prefix (v4): 70.123.116.x/24
Client AS (v4): 11427 (TWC-11427-TEXAS)
IPv4 Probes: 60
Client Prefix (v6): 2603:8080:72xx::/40
Client AS (v6): 11427 (TWC-11427-TEXAS)
IPv6 Probes: 52
Outbound spoofing summary (from the client to our server)
Source address type IPv4IPv6
Private - RFC1918 or ULA rewrittenblocked
Routable rewrittenblocked
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.

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


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
70.123.116.x/24/3111427rewritten
70.123.116.x/24/3011427rewritten
70.123.116.x/24/2911427rewritten
70.123.116.x/24/2811427rewritten
70.123.116.x/24/2711427rewritten
70.123.116.x/24/2611427rewritten
70.123.116.x/24/2511427rewritten
70.123.116.x/24/2411427rewritten
70.123.117.x/24/2311427rewritten
70.123.118.x/24/2211427rewritten
70.123.112.x/24/2111427rewritten
70.123.124.x/24/2011427rewritten
70.123.100.x/24/1911427rewritten
70.123.84.x/24/1811427rewritten
70.123.52.x/24/1711427rewritten
70.123.244.x/24/1611427rewritten
70.122.116.x/24/1511427rewritten
70.121.116.x/24/1411427rewritten
70.127.116.x/24/1333363rewritten
70.115.116.x/24/1211427rewritten
70.107.116.x/24/11701rewritten
70.91.116.x/24/107922rewritten
70.59.116.x/24/9209rewritten
70.251.116.x/24/8UNROUTEDrewritten

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 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
2603:8080:72xx::/40/12011427yes
2603:8080:72xx::/40/11211427yes
2603:8080:72xx::/40/10411427yes
2603:8080:72xx::/40/9611427yes
2603:8080:72xx::/40/8811427yes
2603:8080:72xx::/40/8011427yes
2603:8080:72xx::/40/7211427yes
2603:8080:72xx::/40/6411427yes
2603:8080:72xx::/40/5611427no
2603:8080:72xx::/40/4811427no
2603:8080:72xx::/40/4011427no
2603:8080:f2xx::/40/3211427no
2603:8000:72xx::/40/2420001no
2603:80:72xx::/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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