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Session Report

Summary:
Test run at: 2020-10-21 22:34:37 GMT
Client Prefix (v4): 128.90.173.x/24
Client AS (v4): 22363 (PHMGMT-AS1)
IPv4 Probes: 75
Outbound spoofing summary (from the client to our server)
Source address type IPv4
Private - RFC1918 blocked
Routable blocked
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.

IPv4 Adjacent Netblock Testing:

Your host (128.90.173.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
128.90.173.x/24/3122363no
128.90.173.x/24/3022363no
128.90.173.x/24/2922363no
128.90.173.x/24/2822363no
128.90.173.x/24/2722363no
128.90.173.x/24/2622363no
128.90.173.x/24/2522363no
128.90.173.x/24/2422363no
128.90.172.x/24/2322363no
128.90.175.x/24/2222363no
128.90.169.x/24/2122363no
128.90.165.x/24/2022363no
128.90.189.x/24/1922363no
128.90.141.x/24/1822363no
128.90.237.x/24/1722363no
128.90.45.x/24/1622363no
128.91.173.x/24/1555no
128.88.173.x/24/147430no
128.94.173.x/24/138075no
128.82.173.x/24/121201no
128.74.173.x/24/113216no
128.122.173.x/24/1012no
128.26.173.x/24/9UNROUTEDno
128.218.173.x/24/85653no

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.
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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