Pattern of tests from this IP block indicates a switch from allowing spoofing to blocking it.
rewritten
Spoofed packet was received, but the source address was changed en route.
blocked
Spoofed packet was not received, but unspoofed packet was.
unknown
Neither spoofed nor unspoofed packet was received.
IPv4 AS Route:
This test run probed the following paths in order to infer your
ability to send different spoofed source packets. Each node
in the graph corresponds to an autonomous system, i.e.
different Internet service providers. NOTE: This graph does NOT show if
an AS blocks spoofed packets, only the path taken by received spoofed
packets. The IP Path Details
are available for this run. If non-spoofed packets weren't received at
a destination, the traceroute to that destination is not included in this
graph and may even cause a totally empty graph.
IPv4 Adjacent Netblock Testing:
Your host (82.130.102.x/24) can spoof 511 neighboring addresses (within your /23 prefix)
Spoofed source address (anon)
Prefix Length
ASN of spoofed source address
Received
82.130.102.x/24
/31
559
yes
82.130.102.x/24
/30
559
yes
82.130.102.x/24
/29
559
yes
82.130.102.x/24
/28
559
yes
82.130.102.x/24
/27
559
yes
82.130.102.x/24
/26
559
yes
82.130.102.x/24
/25
559
yes
82.130.102.x/24
/24
559
yes
82.130.103.x/24
/23
559
yes
82.130.100.x/24
/22
559
no
82.130.98.x/24
/21
559
no
82.130.110.x/24
/20
559
no
82.130.118.x/24
/19
559
no
82.130.70.x/24
/18
559
no
82.130.38.x/24
/17
39857
no
82.130.230.x/24
/16
12338
no
82.131.102.x/24
/15
13272
no
82.128.102.x/24
/14
UNROUTED
no
82.134.102.x/24
/13
8542
no
82.138.102.x/24
/12
174
no
82.146.102.x/24
/11
8201
no
82.162.102.x/24
/10
12332
no
82.194.102.x/24
/9
8881
no
82.2.102.x/24
/8
5089
no
Meaning of status in Received column:
no
Packets spoofed from adjacent netblock were not received, probably due to blocking
yes
Packets spoofed from adjacent netblock were received (but that netblock is within the source AS)
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 AS Route:
This test run probed the following paths in order to infer your
ability to send different spoofed source packets. Each node
in the graph corresponds to an autonomous system, i.e.
different Internet service providers. NOTE: This graph does NOT show if
an AS blocks spoofed packets, only the path taken by received spoofed
packets. The IP Path Details
are available for this run. If non-spoofed packets weren't received at
a destination, the traceroute to that destination is not included in this
graph and may even cause a totally empty graph.
IPv6 probes:
Spoofed source address
Destination
Received
2001:48d0:101:501:ec4:7aff:fea8:71a8
2001:48d0:101:501::242
no
2001:4978:1fb:6400::d2
2001:48d0:101:501::242
no
2001:49aa:111:aa00::11
2001:48d0:101:501::242
no
fd11:1111:1111::1111
2001:48d0:101:501::242
no
IPv6 Adjacent Netblock Testing:
Spoofed source address (anon)
Prefix Length
ASN of spoofed source address
Received
2001:67c:10xx::/40
/120
559
yes
2001:67c:10xx::/40
/112
559
no
2001:67c:10xx::/40
/104
559
no
2001:67c:10xx::/40
/96
559
no
2001:67c:10xx::/40
/88
559
no
2001:67c:10xx::/40
/80
559
no
2001:67c:10xx::/40
/72
559
no
2001:67c:10xx::/40
/64
559
no
2001:67c:10xx::/40
/56
559
no
2001:67c:10xx::/40
/48
559
no
2001:67c:10xx::/40
/40
58102
no
2001:67c:90xx::/40
/32
UNROUTED
no
2001:6fc:10xx::/40
/24
UNROUTED
no
2001:867c:10xx::/40
/16
1221
no
Meaning of status in Received column:
no
Packets spoofed from adjacent netblock were not received, probably due to blocking
yes
Packets 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.