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Session Report

Summary:
Test run at: 2019-12-11 04:42:34 GMT
Client Prefix (v4): 135.180.0.x/24
Client AS (v4): 46375 (AS-SONICTELECOM)
IPv4 Probes: 75
Client Prefix (v6): 2602:248:7bxx::/40
Client AS (v6): 7065 (SNIC)
IPv6 Probes: 72
Outbound spoofing summary (from the client to our server)
Source address type IPv4IPv6
Private - RFC1918 or ULA blockedblocked
Routable blockedblocked
Largest spoofable neighbor prefix length none/64
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 (135.180.0.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
135.180.0.x/24/3146375natblock
135.180.0.x/24/3046375natblock
135.180.0.x/24/2946375natblock
135.180.0.x/24/2846375natblock
135.180.0.x/24/2746375natblock
135.180.0.x/24/2646375natblock
135.180.0.x/24/2546375natblock
135.180.0.x/24/2446375natblock
135.180.1.x/24/2346375natblock
135.180.2.x/24/2246375natblock
135.180.4.x/24/2146375natblock
135.180.8.x/24/2046375natblock
135.180.16.x/24/1946375natblock
135.180.32.x/24/1846375natblock
135.180.64.x/24/1746375natblock
135.180.128.x/24/1646375natblock
135.181.0.x/24/15UNROUTEDnatblock
135.182.0.x/24/14UNROUTEDnatblock
135.176.0.x/24/13UNROUTEDnatblock
135.188.0.x/24/12UNROUTEDnatblock
135.164.0.x/24/11UNROUTEDnatblock
135.148.0.x/24/1018676natblock
135.244.0.x/24/910455natblock
135.52.0.x/24/8UNROUTEDnatblock

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 unable to spoof routable, non-adjacent source addresses through even the first IP hop.
IPv6 probes:
Spoofed source addressDestinationReceived
2001:48d0:101:501::1592001:40b0:7500:280::5458:517ano
2001:4978:1fb:6400::d22001:40b0:7500:280::5458:517ano
2001:49aa:111:aa00::112001:40b0:7500:280::5458:517ano
fd11:1111:1111::11112001:40b0:7500:280::5458:517ano
2001:48d0:101:501::1592001:48d0:101:501::242no
2001:4978:1fb:6400::d22001:48d0:101:501::242no
2001:49aa:111:aa00::112001:48d0:101:501::242no
fd11:1111:1111::11112001:48d0:101:501::242no
2001:48d0:101:501::1592001:48d0:101:501::247no
2001:4978:1fb:6400::d22001:48d0:101:501::247no
2001:49aa:111:aa00::112001:48d0:101:501::247no
fd11:1111:1111::11112001:48d0:101:501::247no
2001:48d0:101:501::1592001:610:510:115:192:42:115:98no
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:45a6no
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::1592001:770:18:7:225:90ff:fe0c:acb4no
2001:4978:1fb:6400::d22001:770:18:7:225:90ff:fe0c:acb4no
2001:49aa:111:aa00::112001:770:18:7:225:90ff:fe0c:acb4no
fd11:1111:1111::11112001:770:18:7:225:90ff:fe0c:acb4no
2001:48d0:101:501::1592001:df0:4:800:21c:c0ff:feb2:ad5fno
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
2001:48d0:101:501::1592607:f278:2:13:ba27:ebff:fe3f:b21eno
2001:4978:1fb:6400::d22607:f278:2:13:ba27:ebff:fe3f:b21eno
2001:49aa:111:aa00::112607:f278:2:13:ba27:ebff:fe3f:b21eno
fd11:1111:1111::11112607:f278:2:13:ba27:ebff:fe3f:b21eno
IPv6 Adjacent Netblock Testing:
Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
2602:248:7bxx::/40/1207065yes
2602:248:7bxx::/40/1127065yes
2602:248:7bxx::/40/1047065yes
2602:248:7bxx::/40/967065yes
2602:248:7bxx::/40/887065yes
2602:248:7bxx::/40/807065yes
2602:248:7bxx::/40/727065yes
2602:248:7bxx::/40/647065yes
2602:248:7bxx::/40/567065no
2602:248:7bxx::/40/487065no
2602:248:7bxx::/40/407065no
2602:248:fbxx::/40/327065no
2602:2c8:7bxx::/40/24UNROUTEDno
2602:8248:7bxx::/40/16UNROUTEDno

Meaning of status in Received column:

noPackets spoofed from adjacent netblock were not received, probably due to blocking
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.
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