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Session Report

Summary:
Test run at: 2020-10-08 15:54:42 GMT
Client Prefix (v4): 45.74.21.x/24
Client AS (v4): 29802 (HVC-AS)
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 (45.74.21.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
45.74.21.x/24/3129802no
45.74.21.x/24/3029802no
45.74.21.x/24/2929802no
45.74.21.x/24/2829802no
45.74.21.x/24/2729802no
45.74.21.x/24/2629802no
45.74.21.x/24/2529802no
45.74.21.x/24/2429802no
45.74.20.x/24/2329802no
45.74.23.x/24/2229802no
45.74.17.x/24/2129802no
45.74.29.x/24/209009no
45.74.5.x/24/193223no
45.74.53.x/24/183223no
45.74.85.x/24/1723089no
45.74.149.x/24/1619397no
45.75.21.x/24/1538628no
45.72.21.x/24/1455286no
45.78.21.x/24/1325820no
45.66.21.x/24/12UNROUTEDno
45.90.21.x/24/117922no
45.106.21.x/24/1037069no
45.10.21.x/24/923422no
45.202.21.x/24/8135607no

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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