Logo

Session Report

Summary:
Test run at: 2020-11-02 17:42:45 GMT
Client Prefix (v4): 193.42.137.x/24
Client AS (v4): 398468 (VMSNETWORKS)
IPv4 Probes: 75
Outbound spoofing summary (from the client to our server)
Source address type IPv4
Private - RFC1918 received
Routable received
Largest spoofable neighbor prefix length /8
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 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 (193.42.137.x/24) can spoof 16777215 neighboring addresses (within your /8 prefix)


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
193.42.137.x/24/31398468yes
193.42.137.x/24/30398468yes
193.42.137.x/24/29398468yes
193.42.137.x/24/28398468yes
193.42.137.x/24/27398468yes
193.42.137.x/24/26398468yes
193.42.137.x/24/25398468yes
193.42.137.x/24/24398468yes
193.42.136.x/24/23212630yes
193.42.139.x/24/22137yes
193.42.141.x/24/21UNROUTEDyes
193.42.129.x/24/2042908yes
193.42.153.x/24/1948021yes
193.42.169.x/24/1813254yes
193.42.201.x/24/1713254yes
193.42.9.x/24/16UNROUTEDyes
193.43.137.x/24/15UNROUTEDyes
193.40.137.x/24/143221yes
193.46.137.x/24/13UNROUTEDyes
193.34.137.x/24/1243800yes
193.58.137.x/24/11UNROUTEDyes
193.10.137.x/24/101653yes
193.106.137.x/24/950373yes
193.170.137.x/24/81853yes

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).
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