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Session Report

Summary:
Test run at: 2020-05-11 13:19:30 GMT
Client Prefix (v4): 213.202.223.x/24
Client AS (v4): 24961 (MYLOC-AS)
IPv4 Probes: 75
Client Prefix (v6): 2001:4ba0:ffxx::/40
Client AS (v6): 24961 (MYLOC-AS)
IPv6 Probes: 72
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 none/48
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 Adjacent Netblock Testing:

Your host (213.202.223.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
213.202.223.x/24/3124961no
213.202.223.x/24/3024961no
213.202.223.x/24/2924961no
213.202.223.x/24/2824961no
213.202.223.x/24/2724961no
213.202.223.x/24/2624961no
213.202.223.x/24/2524961no
213.202.223.x/24/2424961no
213.202.222.x/24/2324961no
213.202.221.x/24/2224961no
213.202.219.x/24/2124961no
213.202.215.x/24/2024961no
213.202.207.x/24/1924961no
213.202.255.x/24/1824961no
213.202.159.x/24/172110no
213.202.95.x/24/1613046no
213.203.223.x/24/1561157no
213.200.223.x/24/143303no
213.206.223.x/24/139150no
213.194.223.x/24/12207187no
213.218.223.x/24/118851no
213.234.223.x/24/108402no
213.138.223.x/24/912714no
213.74.223.x/24/834984no

Meaning of status in Received column:

noPackets spoofed from adjacent netblock were not received, probably due to blocking

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::1592001:48d0:101:501::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::1592001:770:18:7:225:90ff:fe0c:acb4no
2001:4978:1fb:6400::d22001:770:18:7:225:90ff:fe0c:acb4no
2001:49aa:111:aa00::112001:770:18:7:225:90ff:fe0c:acb4no
fd11:1111:1111::11112001:770:18:7:225:90ff:fe0c:acb4no
2001:48d0:101:501::1592001:df0:4:800:21c:c0ff:feb2:ad5fno
2001:4978:1fb:6400::d22001:df0:4:800:21c:c0ff:feb2:ad5fno
2001:49aa:111:aa00::112001:df0:4:800:21c:c0ff:feb2:ad5fno
fd11:1111:1111::11112001:df0:4:800:21c:c0ff:feb2:ad5fno
2001:48d0:101:501::1592607:f278:2:13:ba27:ebff:fe3f:b21eno
2001:4978:1fb:6400::d22607:f278:2:13:ba27:ebff:fe3f:b21eno
2001:49aa:111:aa00::112607:f278:2:13:ba27:ebff:fe3f:b21eno
fd11:1111:1111::11112607:f278:2:13:ba27:ebff:fe3f:b21eno
IPv6 Adjacent Netblock Testing:
Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
2001:4ba0:ffxx::/40/12024961yes
2001:4ba0:ffxx::/40/11224961yes
2001:4ba0:ffxx::/40/10424961yes
2001:4ba0:ffxx::/40/9624961yes
2001:4ba0:ffxx::/40/8824961yes
2001:4ba0:ffxx::/40/8024961yes
2001:4ba0:ffxx::/40/7224961yes
2001:4ba0:ffxx::/40/6424961yes
2001:4ba0:ffxx::/40/5624961yes
2001:4ba0:ffxx::/40/4824961yes
2001:4ba0:ffxx::/40/4024961no
2001:4ba0:7fxx::/40/3224961no
2001:4b20:ffxx::/40/2434288no
2001:cba0:ffxx::/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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