Logo

Session Report

Summary:
Test run at: 2021-04-20 10:46:48 GMT
Client Prefix (v4): 91.214.78.x/24
Client AS (v4): 44303 (SERGEY-MUTIN-AS)
IPv4 Probes: 66
Client Prefix (v6): 2a00:1e6a:xx::/40
Client AS (v6): 44303 (SERGEY-MUTIN-AS)
IPv6 Probes: 56
Outbound spoofing summary (from the client to our server)
Source address type IPv4IPv6
Private - RFC1918 or ULA rewrittenreceived
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.

Warnings:

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 (91.214.78.x/24) can spoof 16777215 neighboring addresses (within your /8 prefix)


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
91.214.78.x/24/3144303natblock
91.214.78.x/24/3044303natblock
91.214.78.x/24/2944303natblock
91.214.78.x/24/2844303natblock
91.214.78.x/24/2744303natblock
91.214.78.x/24/2644303natblock
91.214.78.x/24/2544303natblock
91.214.78.x/24/2444303natblock
91.214.79.x/24/2344303yes
91.214.76.x/24/2249373yes
91.214.74.x/24/2149360yes
91.214.70.x/24/2049542yes
91.214.94.x/24/19UNROUTEDnatblock
91.214.110.x/24/18UNROUTEDnatblock
91.214.14.x/24/1749256yes
91.214.206.x/24/1649531yes
91.215.78.x/24/15201224yes
91.212.78.x/24/14UNROUTEDnatblock
91.210.78.x/24/1320670yes
91.222.78.x/24/1256812yes
91.198.78.x/24/11204053yes
91.246.78.x/24/1059990yes
91.150.78.x/24/98400yes
91.86.78.x/24/847377yes

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)
natblockSpoofed probe packets appear to be blocked by your local NAT or firewall rather than being rewritten with a public source address.

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 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 addressDestinationReceived
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::d22001:610:510:115:192:42:115:98no
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::1592001:770:1c:7:225:90ff:fe0c:acb4yes
2001:4978:1fb:6400::d22001:770:1c:7:225:90ff:fe0c:acb4yes
2001:49aa:111:aa00::112001:770:1c:7:225:90ff:fe0c:acb4yes
fd11:1111:1111::11112001:770:1c:7:225:90ff:fe0c:acb4yes
2001:48d0:101:501::1592001:df0:4:800:21c:c0ff:feb2:ad5fyes
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
IPv6 Adjacent Netblock Testing:
Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
2a00:1e6a:xx::/40/12044303yes
2a00:1e6a:xx::/40/11244303yes
2a00:1e6a:xx::/40/10444303yes
2a00:1e6a:xx::/40/9644303yes
2a00:1e6a:xx::/40/8844303yes
2a00:1e6a:xx::/40/8044303yes
2a00:1e6a:xx::/40/7244303yes
2a00:1e6a:xx::/40/6444303yes
2a00:1e6a:xx::/40/5644303yes
2a00:1e6a:xx::/40/4844303yes
2a00:1e6a:xx::/40/4049373yes
2a00:1e6a:80xx::/40/3249373yes
2a00:1eea:xx::/40/24UNROUTEDyes
2a00:9e6a:xx::/40/16UNROUTEDyes

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.
Last Modified