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Session Report

Summary:
Test run at: 2019-08-31 11:32:50 GMT
Client Prefix (v4): 212.81.57.x/24
Client AS (v4): 203145
IPv4 Probes: 66
Client Prefix (v6): 2a03:9c00:xx::/40
Client AS (v6): 203145
IPv6 Probes: 60
Outbound spoofing summary (from the client to our server)
Source address type IPv4IPv6
Private - RFC1918 or ULA blockedreceived
Routable receivedreceived
Largest spoofable neighbor prefix length /8/16
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 (212.81.57.x/24) can spoof 16777215 neighboring addresses (within your /8 prefix)


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
212.81.57.x/24/31203145yes
212.81.57.x/24/30203145yes
212.81.57.x/24/29203145yes
212.81.57.x/24/28203145yes
212.81.57.x/24/27203145yes
212.81.57.x/24/26203145yes
212.81.57.x/24/25203145yes
212.81.57.x/24/24203145yes
212.81.56.x/24/23203145yes
212.81.59.x/24/22203145yes
212.81.61.x/24/21209963yes
212.81.49.x/24/2050304yes
212.81.41.x/24/199009yes
212.81.25.x/24/185578yes
212.81.121.x/24/178928yes
212.81.185.x/24/163262yes
212.80.57.x/24/158788yes
212.83.57.x/24/1447447yes
212.85.57.x/24/1312521yes
212.89.57.x/24/122116yes
212.65.57.x/24/11UNROUTEDyes
212.113.57.x/24/106849yes
212.17.57.x/24/934245yes
212.209.57.x/24/8702yes

Meaning of status in Received column:

yesPackets spoofed from adjacent netblock were received
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 10 IP hop(s).
IPv6 probes:
Spoofed source addressDestinationReceived
2001:48d0:101:501::1592001:40b0:7500:280::5458:517ayes
2001:4978:1fb:6400::d22001:40b0:7500:280::5458:517ayes
2001:49aa:111:aa00::112001:40b0:7500:280::5458:517ayes
fd11:1111:1111::11112001:40b0:7500:280::5458:517ayes
2001:48d0:101:501::1592001:48d0:101:501::242yes
2001:4978:1fb:6400::d22001:48d0:101:501::242yes
2001:49aa:111:aa00::112001:48d0:101:501::242yes
fd11:1111:1111::11112001:48d0:101:501::242yes
2001:48d0:101:501::1592001:48d0:101:501::247yes
2001:4978:1fb:6400::d22001:48d0:101:501::247yes
2001:49aa:111:aa00::112001:48d0:101:501::247yes
fd11:1111:1111::11112001:48d0:101:501::247yes
2001:48d0:101:501::1592001:610:510:115:192:42:115:98yes
2001:4978:1fb:6400::d22001:610:510:115:192:42:115:98yes
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:45a6yes
2001:4978:1fb:6400::d22001:630:212:225:225:90ff:fe0c:45a6yes
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::1592001:708:40:2001:21c:c0ff:fea2:4c5cyes
2001:4978:1fb:6400::d22001:708:40:2001:21c:c0ff:fea2:4c5cyes
2001:49aa:111:aa00::112001:708:40:2001:21c:c0ff:fea2:4c5cyes
fd11:1111:1111::11112001:708:40:2001:21c:c0ff:fea2:4c5cno
2001:48d0:101:501::1592001:770:18:7:225:90ff:fe0c:acb4yes
2001:4978:1fb:6400::d22001:770:18:7:225:90ff:fe0c:acb4yes
2001:49aa:111:aa00::112001:770:18:7:225:90ff:fe0c:acb4yes
fd11:1111:1111::11112001:770:18:7:225:90ff:fe0c:acb4no
2001:48d0:101:501::1592001:df0:4:800:21c:c0ff:feb2:ad5fyes
2001:4978:1fb:6400::d22001:df0:4:800:21c:c0ff:feb2:ad5fyes
2001:49aa:111:aa00::112001:df0:4:800:21c:c0ff:feb2:ad5fyes
fd11:1111:1111::11112001:df0:4:800:21c:c0ff:feb2:ad5fyes
IPv6 Adjacent Netblock Testing:
Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
2a03:9c00:xx::/40/120203145yes
2a03:9c00:xx::/40/112203145yes
2a03:9c00:xx::/40/104203145yes
2a03:9c00:xx::/40/96203145yes
2a03:9c00:xx::/40/88203145yes
2a03:9c00:xx::/40/80203145yes
2a03:9c00:xx::/40/72203145yes
2a03:9c00:xx::/40/64203145yes
2a03:9c00:xx::/40/56203145yes
2a03:9c00:xx::/40/48203145yes
2a03:9c00:xx::/40/40UNROUTEDyes
2a03:9c00:80xx::/40/32UNROUTEDyes
2a03:9c80:xx::/40/2415525yes
2a03:1c00:xx::/40/1635313yes

Meaning of status in Received column:

yesPackets spoofed from adjacent netblock were received
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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