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Session Report

Summary:
Test run at: 2021-12-06 07:49:47 GMT
Client Prefix (v4): 41.242.152.x/24
Client AS (v4): 328594 (SUDATCHAD-AS)
IPv4 Probes: 66
Client Prefix (v6): 2c0f:eb98:xx::/40
Client AS (v6): 328594 (SUDATCHAD-AS)
IPv6 Probes: 56
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 /21/56

Meaning of result status in column:

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 (41.242.152.x/24) can spoof 2047 neighboring addresses (within your /21 prefix)


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
41.242.152.x/24/31328594yes
41.242.152.x/24/30328594yes
41.242.152.x/24/29328594yes
41.242.152.x/24/28328594yes
41.242.152.x/24/27328594yes
41.242.152.x/24/26328594yes
41.242.152.x/24/25328594yes
41.242.152.x/24/24328594yes
41.242.153.x/24/23328594yes
41.242.154.x/24/22328594yes
41.242.156.x/24/21328594yes
41.242.144.x/24/20UNROUTEDno
41.242.136.x/24/1937623no
41.242.184.x/24/1836974no
41.242.216.x/24/1737105no
41.242.24.x/24/1637566no
41.243.152.x/24/15UNROUTEDno
41.240.152.x/24/1436998no
41.246.152.x/24/1337457no
41.250.152.x/24/1236903no
41.226.152.x/24/1137705no
41.210.152.x/24/1020294no
41.178.152.x/24/924863no
41.114.152.x/24/816637no

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)

IPv4 Outbound Filtering Depth:

The tracefilter test found your host able to spoof routable, non-adjacent source addresses through the first 2 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
2c0f:eb98:xx::/40/120328594no
2c0f:eb98:xx::/40/112328594yes
2c0f:eb98:xx::/40/104328594no
2c0f:eb98:xx::/40/96328594yes
2c0f:eb98:xx::/40/88328594no
2c0f:eb98:xx::/40/80328594yes
2c0f:eb98:xx::/40/72328594no
2c0f:eb98:xx::/40/64328594no
2c0f:eb98:xx::/40/56328594yes
2c0f:eb98:xx::/40/48328594no
2c0f:eb98:xx::/40/40328594no
2c0f:eb98:80xx::/40/32328594no
2c0f:eb18:xx::/40/24UNROUTEDno
2c0f:6b98: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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