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Session Report

Summary:
Test run at: 2021-11-17 16:37:27 GMT
Client Prefix (v4): 194.105.155.x/24
Client AS (v4): 42004 (ULGRP-AS)
Client Prefix (v6): 2a00:19d8:xx::/40
Client AS (v6): 42004 (ULGRP-AS)
IPv6 Probes: 56
Outbound spoofing summary (from the client to our server)
Source address type IPv6
Private - ULA blocked
Routable blocked
Largest spoofable neighbor prefix length /64

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.

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
2a00:19d8:xx::/40/12042004yes
2a00:19d8:xx::/40/11242004yes
2a00:19d8:xx::/40/10442004yes
2a00:19d8:xx::/40/9642004yes
2a00:19d8:xx::/40/8842004yes
2a00:19d8:xx::/40/8042004yes
2a00:19d8:xx::/40/7242004yes
2a00:19d8:xx::/40/6442004yes
2a00:19d8:xx::/40/5642004no
2a00:19d8:xx::/40/4842004no
2a00:19d8:xx::/40/4042004no
2a00:19d8:80xx::/40/3242004no
2a00:1958:xx::/40/24UNROUTEDno
2a00:99d8: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:
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