Logo

Session Report

Summary:
Test run at: 2016-11-01 19:45:51 GMT
Client Prefix (v4): 46.47.27.x/24
Client AS (v4): 197298 (ATEL-LTDR)
IPv4 Probes: 105
Outbound spoofing summary (from the client to our server)
Source address type IPv4
Private - RFC1918 unknown
Routable unknown
Largest spoofable neighbor prefix length none
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 (46.47.27.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
46.47.27.x/24/31197298natblock
46.47.27.x/24/30197298natblock
46.47.27.x/24/29197298natblock
46.47.27.x/24/28197298natblock
46.47.27.x/24/27197298natblock
46.47.27.x/24/26197298natblock
46.47.27.x/24/25197298natblock
46.47.27.x/24/24197298natblock
46.47.26.x/24/23197298natblock
46.47.25.x/24/22197298natblock
46.47.31.x/24/21197298natblock
46.47.19.x/24/20197298natblock
46.47.11.x/24/19197298natblock
46.47.59.x/24/1850477natblock
46.47.91.x/24/1743205natblock
46.47.155.x/24/1630764natblock
46.46.27.x/24/1515638natblock
46.45.27.x/24/1451515natblock
46.43.27.x/24/1335425natblock
46.39.27.x/24/12UNROUTEDnatblock
46.63.27.x/24/1151784natblock
46.15.27.x/24/1012929natblock
46.111.27.x/24/92854natblock
46.175.27.x/24/8197460natblock

Meaning of status in Received column:

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 1 IP hop(s).
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