Logo

Session Report

Summary:
Test run at: 2017-10-03 05:11:45 GMT
Client Prefix (v4): 123.136.111.x/24
Client AS (v4): 38466 (UMOBILE-AS-AP)
IPv4 Probes: 118
Client Prefix (v6): 2405:3800:2xx::/40
Client AS (v6): 38466 (UMOBILE-AS-AP)
IPv6 Probes: 77
Outbound spoofing summary (from the client to our server)
Source address type IPv4IPv6
Private - RFC1918 or ULA rewrittenblocked
Routable rewrittenblocked
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.

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 (123.136.111.x/24) can spoof 0 neighboring addresses


Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
123.136.111.x/24/3138466rewritten
123.136.111.x/24/3038466rewritten
123.136.111.x/24/2938466rewritten
123.136.111.x/24/2838466rewritten
123.136.111.x/24/2738466rewritten
123.136.111.x/24/2638466rewritten
123.136.111.x/24/2538466rewritten
123.136.111.x/24/2438466rewritten
123.136.110.x/24/2338466rewritten
123.136.109.x/24/2238466rewritten
123.136.107.x/24/2138466rewritten
123.136.103.x/24/2038466rewritten
123.136.127.x/24/1938466rewritten
123.136.79.x/24/18UNROUTEDrewritten
123.136.47.x/24/177600rewritten
123.136.239.x/24/1645528rewritten
123.137.111.x/24/154134rewritten
123.138.111.x/24/144837rewritten
123.140.111.x/24/133786rewritten
123.128.111.x/24/124837rewritten
123.152.111.x/24/114837rewritten
123.168.111.x/24/1017633rewritten
123.200.111.x/24/938121rewritten
123.8.111.x/24/84837rewritten

Meaning of status in Received column:

rewrittenThe source address of the probe packets we received differs from the spoofed address. It appears that an intermediate device is rewriting your packet headers.

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 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.

  

  
IPv6 probes:
Spoofed source addressDestinationReceived
2001:4978:1fb:6400::d22001:388:1:5001:21c:c0ff:fea2:4a3ano
2001:49aa:111:aa00::112001:388:1:5001:21c:c0ff:fea2:4a3ano
fd11:1111:1111::11112001:388:1:5001:21c:c0ff:fea2:4a3ano
2001:4978:1fb:6400::d22001:410:102:1::78no
2001:49aa:111:aa00::112001:410:102:1::78no
fd11:1111:1111::11112001:410:102:1::78no
2001:4978:1fb:6400::d22001:410:90ff::5no
2001:49aa:111:aa00::112001:410:90ff::5no
fd11:1111:1111::11112001:410:90ff::5no
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
2001:4978:1fb:6400::d22001:48d0:101:501::247no
2001:49aa:111:aa00::112001:48d0:101:501::247no
fd11:1111:1111::11112001:48d0:101:501::247no
2001:4978:1fb: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
2001:4978:1fb: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
2001:4978:1fb:6400::d22001:708:40:2001:21c:c0ff:fea2:4c5cno
2001:49aa:111:aa00::112001:708:40:2001:21c:c0ff:fea2:4c5cno
fd11:1111:1111::11112001:708:40:2001:21c:c0ff:fea2:4c5cno
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
IPv6 Adjacent Netblock Testing:
Spoofed source address (anon)Prefix
Length
ASN of spoofed
source address
Received
2405:3800:2xx::/40/12038466yes
2405:3800:2xx::/40/11238466yes
2405:3800:2xx::/40/10438466yes
2405:3800:2xx::/40/9638466yes
2405:3800:2xx::/40/8838466yes
2405:3800:2xx::/40/8038466yes
2405:3800:2xx::/40/7238466yes
2405:3800:2xx::/40/6438466yes
2405:3800:2xx::/40/5638466no
2405:3800:2xx::/40/4838466no
2405:3800:2xx::/40/4038466no
2405:3800:82xx::/40/3238466no
2405:3880:2xx::/40/24UNROUTEDno
2405:b800:2xx::/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.
Last Modified