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Session Report

Summary:
Test run at: 2019-12-27 02:07:40 GMT
Client Prefix (v4): 88.202.230.x/24
Client AS (v4): 13213 (UK2NET-AS)
IPv4 Probes: 75
Client Prefix (v6): 2a02:2498:6dxx::/40
Client AS (v6): 13213 (UK2NET-AS)
IPv6 Probes: 72
Outbound spoofing summary (from the client to our server)
Source address type IPv4IPv6
Private - RFC1918 or ULA blockedreceived
Routable blockedreceived
Largest spoofable neighbor prefix length none/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 (88.202.230.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
88.202.230.x/24/3113213no
88.202.230.x/24/3013213no
88.202.230.x/24/2913213no
88.202.230.x/24/2813213no
88.202.230.x/24/2713213no
88.202.230.x/24/2613213no
88.202.230.x/24/2513213no
88.202.230.x/24/2413213no
88.202.231.x/24/2313213no
88.202.228.x/24/2213213no
88.202.226.x/24/2113213no
88.202.238.x/24/20199792no
88.202.246.x/24/1956329no
88.202.198.x/24/1856329no
88.202.166.x/24/17207176no
88.202.102.x/24/1629286no
88.203.230.x/24/1529580no
88.200.230.x/24/1412389no
88.206.230.x/24/13UNROUTEDno
88.194.230.x/24/121759no
88.218.230.x/24/11UNROUTEDno
88.234.230.x/24/109121no
88.138.230.x/24/98228no
88.74.230.x/24/83209no

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::1592001:40b0:7500:280::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::1592001:610:510:115:192:42:115:98yes
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:45a6yes
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: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
2a02:2498:6dxx::/40/12013213yes
2a02:2498:6dxx::/40/11213213yes
2a02:2498:6dxx::/40/10413213yes
2a02:2498:6dxx::/40/9613213yes
2a02:2498:6dxx::/40/8813213yes
2a02:2498:6dxx::/40/8013213yes
2a02:2498:6dxx::/40/7213213yes
2a02:2498:6dxx::/40/6413213yes
2a02:2498:6dxx::/40/5613213yes
2a02:2498:6dxx::/40/4813213yes
2a02:2498:6dxx::/40/4013213yes
2a02:2498:edxx::/40/3213213yes
2a02:2418:6dxx::/40/24UNROUTEDyes
2a02:a498:6dxx::/40/16UNROUTEDyes

Meaning of status in Received column:

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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