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Session Report

Summary:
Test run at: 2022-01-15 20:30:43 GMT
Client Prefix (v4): 149.91.88.x/24
Client AS (v4): 62000 (NETRIX-AS)
IPv4 Probes: 63
Client Prefix (v6): 2a07:abc4:xx::/40
Client AS (v6): 62000 (NETRIX-AS)
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 /20/32
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 (149.91.88.x/24) can spoof 4095 neighboring addresses (within your /20 prefix)


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
149.91.88.x/24/3162000yes
149.91.88.x/24/3062000yes
149.91.88.x/24/2962000yes
149.91.88.x/24/2862000yes
149.91.88.x/24/2762000yes
149.91.88.x/24/2662000yes
149.91.88.x/24/2562000yes
149.91.88.x/24/2462000yes
149.91.89.x/24/2362000yes
149.91.90.x/24/2262000yes
149.91.92.x/24/21200811no
149.91.80.x/24/2062000yes
149.91.72.x/24/19174no
149.91.120.x/24/1834977no
149.91.24.x/24/17174no
149.91.216.x/24/16174no
149.90.88.x/24/1512353no
149.89.88.x/24/1412271no
149.95.88.x/24/13174no
149.83.88.x/24/12UNROUTEDno
149.75.88.x/24/116079no
149.123.88.x/24/10174no
149.27.88.x/24/929355no
149.219.88.x/24/88303no

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 3 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
2a07:abc4:xx::/40/12062000yes
2a07:abc4:xx::/40/11262000yes
2a07:abc4:xx::/40/10462000yes
2a07:abc4:xx::/40/9662000yes
2a07:abc4:xx::/40/8862000yes
2a07:abc4:xx::/40/8062000yes
2a07:abc4:xx::/40/7262000yes
2a07:abc4:xx::/40/6462000yes
2a07:abc4:xx::/40/5662000yes
2a07:abc4:xx::/40/4862000yes
2a07:abc4:xx::/40/4062000yes
2a07:abc4:80xx::/40/3262000yes
2a07:ab44:xx::/40/24UNROUTEDno
2a07:2bc4: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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