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Session Report

Summary:
Test run at: 2023-03-19 06:47:02 GMT
Client Prefix (v4): 176.126.84.x/24
Client AS (v4): 63473 (HOSTHATCH)
IPv4 Probes: 60
Client Prefix (v6): 2a00:1a28:11xx::/40
Client AS (v6): 63473 (HOSTHATCH)
IPv6 Probes: 52
Outbound spoofing summary (from the client to our server)
Source address type IPv4IPv6
Private - RFC1918 or ULA unknownunknown
Routable unknownunknown
Largest spoofable neighbor prefix length nonenone
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 Adjacent Netblock Testing:

Your host (176.126.84.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
176.126.84.x/24/3163473sendto
176.126.84.x/24/3063473sendto
176.126.84.x/24/2963473sendto
176.126.84.x/24/2863473sendto
176.126.84.x/24/2763473sendto
176.126.84.x/24/2663473sendto
176.126.84.x/24/2563473sendto
176.126.84.x/24/2463473sendto
176.126.85.x/24/2363473sendto
176.126.86.x/24/2263473sendto
176.126.80.x/24/219063sendto
176.126.92.x/24/20197637sendto
176.126.68.x/24/199063sendto
176.126.116.x/24/18207586sendto
176.126.20.x/24/1744172sendto
176.126.212.x/24/162614sendto
176.127.84.x/24/153303sendto
176.124.84.x/24/1421299sendto
176.122.84.x/24/1359443sendto
176.118.84.x/24/129009sendto
176.110.84.x/24/1149483sendto
176.94.84.x/24/103209sendto
176.62.84.x/24/947165sendto
176.254.84.x/24/85607sendto

Meaning of status in Received column:

sendtoThe spoofer client was unable to send spoofed headers due to an operating system restriction.

IPv4 Outbound Filtering Depth:

The tracefilter test found your host unable to spoof routable, non-adjacent source addresses through even the first IP hop.
IPv6 probes:
Spoofed source addressDestinationReceived
2001:48d0:101:501::1592001:40b0:7500:280::5458:517ano
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::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
2a00:1a28:11xx::/40/12063473sendto
2a00:1a28:11xx::/40/11263473sendto
2a00:1a28:11xx::/40/10463473sendto
2a00:1a28:11xx::/40/9663473sendto
2a00:1a28:11xx::/40/8863473sendto
2a00:1a28:11xx::/40/8063473sendto
2a00:1a28:11xx::/40/7263473sendto
2a00:1a28:11xx::/40/6463473sendto
2a00:1a28:11xx::/40/5663473sendto
2a00:1a28:11xx::/40/4863473sendto
2a00:1a28:11xx::/40/4042708sendto
2a00:1a28:91xx::/40/3242708sendto
2a00:1aa8:11xx::/40/2442189sendto
2a00:9a28:11xx::/40/16UNROUTEDsendto

Meaning of status in Received column:

sendtoThe spoofer client was unable to send spoofed headers due to an operating system restriction.
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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