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Spoofing Information for AS 7018 (ATT-INTERNET4)

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Spoofing status per IP block for last year of data

(Results for all dates also available.)
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.
IP block
Latest test
Spoof
Private
Spoof
Routable
99.6.96.x/242025-03-30 07:27:02 GMTblockedblocked
2600:1700:6bxx::/402025-03-30 07:27:02 GMTblockedblocked
209.184.108.x/242025-03-29 02:58:45 GMTrewrittenreceived
99.96.126.x/242025-03-28 16:31:46 GMTblockedblocked
2600:1700:7bxx::/402025-03-28 16:31:46 GMTblockedblocked
104.57.90.x/242025-03-27 23:46:11 GMTrewrittenrewritten
2600:1702:5axx::/402025-03-27 23:46:11 GMTblockedblocked
12.195.22.x/242025-03-27 12:10:02 GMTblockedblocked
108.95.182.x/242025-03-27 03:35:22 GMTrewrittenrewritten
70.129.255.x/242025-03-27 00:48:04 GMTblockedblocked
12.192.208.x/242025-03-27 00:17:27 GMTblockedblocked
104.190.160.x/242025-03-26 02:29:34 GMTblockedblocked
104.186.148.x/242025-03-25 20:10:16 GMTblockedblocked
2600:1700:exx::/402025-03-25 20:10:16 GMTblockedblocked
162.195.99.x/242025-03-25 11:00:48 GMTblockedblocked
12.161.77.x/242025-03-23 01:55:43 GMTblockedblocked
76.193.64.x/242025-03-19 00:17:33 GMTblockedblocked
2600:1700:31xx::/402025-03-19 00:17:33 GMTblockedblocked
107.138.145.x/242025-03-16 23:01:27 GMTrewrittenrewritten
166.205.54.x/242025-03-16 11:50:20 GMTblockedblocked
166.199.115.x/242025-03-15 13:20:17 GMTrewrittenrewritten
12.172.251.x/242025-03-11 19:13:18 GMTblockedblocked
108.82.168.x/242025-03-10 23:39:38 GMTrewrittenrewritten
99.6.250.x/242025-03-09 21:11:13 GMTblockedblocked
2600:1700:5axx::/402025-03-09 21:11:13 GMTblockedblocked
12.129.159.x/242025-03-09 11:57:01 GMTblockedblocked
172.12.193.x/242025-02-28 05:03:46 GMTblockedblocked
104.9.174.x/242025-02-20 12:14:08 GMTblockedblocked
2600:1700:75xx::/402025-02-20 12:14:08 GMTblockedblocked
2600:1700:50xx::/402025-02-20 06:01:49 GMTblockedblocked
108.92.126.x/242025-02-19 21:51:06 GMTblockedblocked
166.194.188.x/242025-02-17 15:39:00 GMTrewrittenrewritten
2600:387:xx::/402025-02-17 15:39:00 GMTblockedblocked
107.115.224.x/242025-02-10 21:00:40 GMTblockedblocked
2600:1700:97xx::/402025-02-07 04:16:26 GMTblockedblocked
162.238.46.x/242025-02-05 17:18:32 GMTrewrittenrewritten
99.101.9.x/242025-02-04 19:33:58 GMTblockedblocked
104.0.113.x/242025-02-04 03:47:48 GMTrewrittenrewritten
2600:1700:adxx::/402025-01-31 07:10:46 GMTblockedblocked
23.122.136.x/242025-01-27 01:37:53 GMTblockedblocked
12.75.215.x/242025-01-26 23:28:44 GMTblockedblocked
108.147.175.x/242025-01-23 17:49:37 GMTblockedblocked
108.147.171.x/242025-01-22 00:42:49 GMTblockedblocked
2600:1700:a6xx::/402025-01-20 02:31:29 GMTblockedblocked
107.116.170.x/242025-01-13 21:41:02 GMTblockedblocked
2600:1700:98xx::/402025-01-13 04:35:37 GMTblockedblocked
166.196.103.x/242025-01-03 18:41:29 GMTblockedblocked
2600:1700:3exx::/402025-01-03 06:25:54 GMTblockedblocked
76.224.184.x/242024-12-26 00:59:16 GMTblocked✔blocked
76.230.57.x/242024-12-23 16:42:14 GMTblockedblocked
2600:1702:32xx::/402024-12-23 16:42:14 GMTblockedblocked
107.115.171.x/242024-12-16 00:42:38 GMTblockedblocked
70.142.145.x/242024-12-15 21:45:39 GMTblockedblocked
2600:1700:95xx::/402024-12-15 21:45:39 GMTblockedblocked
107.115.227.x/242024-12-04 22:58:48 GMTblockedblocked
99.54.104.x/242024-12-04 19:44:43 GMTblockedblocked
162.206.179.x/242024-11-28 16:43:26 GMTblockedblocked
12.26.59.x/242024-11-26 16:44:27 GMTblockedblocked
45.17.213.x/242024-11-19 00:19:13 GMTrewrittenrewritten
12.248.214.x/242024-11-17 14:42:29 GMTblockedblocked
206.171.115.x/242024-11-15 23:32:06 GMTrewrittenrewritten
207.212.33.x/242024-11-12 17:52:41 GMTblockedblocked
99.97.217.x/242024-11-10 21:43:32 GMTblockedblocked
2600:1700:82xx::/402024-11-10 21:43:32 GMTblockedblocked
12.104.110.x/242024-11-01 21:27:20 GMTblockedblocked
107.216.131.x/242024-11-01 20:04:29 GMTblockedblocked
2600:1700:52xx::/402024-11-01 20:04:29 GMTblockedblocked
107.116.89.x/242024-10-10 22:18:56 GMTrewrittenrewritten
12.11.109.x/242024-09-29 11:33:17 GMTblockedblocked
12.14.160.x/242024-09-23 18:31:59 GMTrewrittenrewritten
12.215.250.x/242024-09-23 13:30:19 GMTblockedblocked
12.167.241.x/242024-09-23 09:21:31 GMTblockedblocked
99.32.186.x/242024-09-20 14:45:49 GMTblockedblocked
208.191.44.x/242024-09-13 16:19:06 GMTrewrittenrewritten
69.232.37.x/242024-09-07 22:59:50 GMTblockedblocked
2600:1700:7xx::/402024-09-07 22:59:50 GMTblockedblocked
23.120.127.x/242024-09-07 02:43:41 GMTblockedblocked
104.182.56.x/242024-09-05 22:04:15 GMTrewrittenrewritten
2600:1700:2exx::/402024-09-02 01:00:43 GMTblockedblocked
12.75.178.x/242024-09-01 12:45:16 GMTblockedblocked
107.135.197.x/242024-08-16 12:10:40 GMTblockedblocked
107.138.40.x/242024-08-12 22:28:57 GMTblockedblocked
2600:1700:c4xx::/402024-08-12 22:28:57 GMTblockedblocked
2600:1700:47xx::/402024-08-12 15:01:01 GMTblockedblocked
166.199.60.x/242024-08-11 03:24:09 GMTblockedblocked
166.198.21.x/242024-07-20 17:00:37 GMTblockedblocked
107.123.1.x/242024-07-18 16:26:59 GMTrewrittenrewritten
108.236.124.x/242024-07-15 17:08:44 GMTblockedblocked
107.199.64.x/242024-07-09 19:54:06 GMTblockedblocked
2600:1700:6dxx::/402024-07-09 19:54:06 GMTblockedblocked
2600:1700:ffxx::/402024-07-09 14:56:10 GMTblockedblocked
2600:1700:d8xx::/402024-06-28 03:38:13 GMTblockedblocked
107.115.43.x/242024-06-27 04:59:39 GMTblockedblocked
166.199.250.x/242024-06-26 18:17:57 GMTblockedblocked
12.23.112.x/242024-06-23 22:41:49 GMTblockedblocked
99.129.200.x/242024-06-22 01:09:30 GMTblockedblocked
76.219.215.x/242024-06-21 02:02:37 GMTblockedblocked
108.195.251.x/242024-06-16 20:34:22 GMTblockedblocked
12.237.112.x/242024-06-16 19:36:24 GMTblockedblocked
12.119.189.x/242024-06-15 21:37:30 GMTblockedblocked
107.142.156.x/242024-06-13 23:06:44 GMTrewrittenrewritten
108.197.15.x/242024-06-10 17:41:34 GMTblockedblocked
2600:1700:fxx::/402024-06-10 17:41:34 GMTblockedblocked
45.30.98.x/242024-05-21 04:22:03 GMTblockedblocked
2600:1700:94xx::/402024-05-21 04:22:03 GMTblockedblocked
69.215.128.x/242024-05-10 06:54:51 GMTblockedblocked
107.196.175.x/242024-04-29 06:59:18 GMTblockedblocked
2600:1700:a9xx::/402024-04-29 06:59:18 GMTblockedblocked
99.98.136.x/242024-04-27 07:24:28 GMTblockedblocked
2600:1700:5exx::/402024-04-17 00:01:51 GMTblockedblocked
23.112.172.x/242024-04-16 15:06:09 GMTrewrittenrewritten
108.246.105.x/242024-04-09 15:41:12 GMTblockedblocked
2600:1700:4fxx::/402024-04-09 15:41:12 GMTblockedblocked
166.198.28.x/242024-04-08 01:48:54 GMTblockedblocked
107.115.239.x/242024-04-07 18:34:41 GMTblockedblocked
12.75.8.x/242024-04-06 20:22:46 GMTblockedblocked

Customers of AS 7018 we have spoofer tests from

This is the list of directly connected customers of AS 7018 from which we have received a spoofer test, ordered by the customer's ability to send spoofed packets and the number of prefixes of an inferred ingress ACL derived from prefix announcements for the customer recorded in the latest month of public BGP data. BCP-84 describes ingress ACLs as "the most bulletproof solution when done properly" and the "best fit ... when the configuration is not too dynamic, ... if the number of used prefixes is low." Further detail about the size and dynamism of an inferred ACL is available by following the History link for each AS.

ASN
Country
Number of Prefixes
in Customer Cone
Number of ASes
in Customer Cone
Recent
tests
Spoof
Routable
6192 (UCDAVIS-CORE)usa (United States)60AS 6192 testsblocked
398143 (TRUESTREAM)usa (United States)91AS 398143 testsblocked
8151mex (Mexico)335292AS 8151 testsblocked

Address Space Announcement History

The customer cone for 7018 is too large for a prefix list to be useful.

Last Modified 03/31/2025 03:57:07