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Spoofing Information for AS 3320 (DTAG)

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 blockLatest testSpoof
Private
Spoof
Routable
62.157.68.x/242026-01-16 16:06:37 GMTblockedblocked
62.157.72.x/242026-01-25 13:14:31 GMTblockedblocked
62.157.74.x/242026-01-14 16:35:02 GMTblockedblocked
62.157.77.x/242026-01-28 17:24:37 GMTblockedblocked
79.207.66.x/242026-02-12 00:53:20 GMTblockedblocked
79.207.82.x/242026-02-11 09:28:51 GMTblockedblocked
79.207.84.x/242025-07-24 08:22:35 GMTblockedblocked
79.211.242.x/242025-03-08 14:08:32 GMTblockedblocked
79.211.243.x/242025-03-08 20:00:46 GMTblockedblocked
79.211.244.x/242025-03-02 17:47:45 GMTblockedblocked
79.211.248.x/242025-03-23 19:42:51 GMTblockedblocked
79.211.253.x/242025-03-05 18:15:36 GMTblockedblocked
79.221.51.x/242025-03-01 11:13:40 GMTblockedblocked
79.224.96.x/242026-01-30 20:24:07 GMTrewrittenrewritten
79.224.101.x/242026-02-15 19:52:37 GMTrewrittenrewritten
79.224.102.x/242026-01-16 12:56:25 GMTrewrittenrewritten
79.226.72.x/242025-11-13 12:27:53 GMTblockedblocked
79.226.84.x/242025-05-06 13:37:56 GMTblockedblocked
79.235.212.x/242025-10-26 19:25:14 GMTblockedblocked
80.149.116.x/242026-02-13 18:10:18 GMTblockedblocked
80.149.125.x/242025-11-13 17:31:10 GMTblockedblocked
80.151.36.x/242025-11-26 11:46:36 GMTblockedblocked
80.155.46.x/242025-09-17 15:58:28 GMTblockedblocked
80.187.102.x/242025-04-29 20:03:51 GMTblockedblocked
80.187.103.x/242025-04-28 23:24:46 GMTblockedblocked
84.134.205.x/242025-12-02 14:15:56 GMTblockedblocked
84.173.52.x/242026-01-23 18:21:32 GMTblockedblocked
84.173.53.x/242026-01-16 18:04:06 GMTblockedblocked
84.173.60.x/242026-01-25 16:10:05 GMTblockedblocked
84.178.225.x/242025-11-21 07:13:36 GMTblockedblocked
84.178.226.x/242026-01-21 22:09:45 GMTblockedblocked
84.178.235.x/242025-03-03 00:44:55 GMTblockedblocked
84.189.208.x/242025-04-24 05:45:20 GMTrewrittenrewritten
84.189.221.x/242025-04-03 04:04:37 GMTrewrittenrewritten
87.129.186.x/242025-10-08 14:57:33 GMTblockedblocked
87.145.218.x/242025-11-17 14:17:12 GMTblockedblocked
87.148.148.x/242025-03-05 17:25:21 GMTblockedblocked
87.148.151.x/242025-03-28 14:06:54 GMTblockedblocked
87.148.153.x/242025-12-17 14:03:54 GMTblockedblocked
87.157.96.x/242025-03-13 05:58:19 GMTblockedblocked
87.157.98.x/242025-08-01 19:08:39 GMTblockedblocked
87.157.102.x/242025-05-01 14:25:26 GMTrewrittenrewritten
87.157.103.x/242025-06-23 13:18:17 GMTblockedblocked
87.157.105.x/242025-03-21 15:41:02 GMTblockedblocked
87.157.109.x/242026-01-31 21:51:26 GMTblockedblocked
87.157.110.x/242025-06-24 07:15:45 GMTblockedblocked
87.161.114.x/242026-01-29 21:53:17 GMTblockedblocked
91.39.32.x/242025-02-27 09:45:48 GMTrewrittenrewritten
91.39.34.x/242025-05-15 08:50:06 GMTrewrittenrewritten
91.39.39.x/242025-04-24 16:19:34 GMTrewrittenrewritten
91.39.41.x/242025-05-14 13:39:48 GMTrewrittenrewritten
91.39.43.x/242025-05-14 08:49:06 GMTrewrittenrewritten
91.39.44.x/242025-05-19 08:57:01 GMTrewrittenrewritten
91.39.46.x/242025-05-12 06:15:43 GMTrewrittenrewritten
91.39.47.x/242025-05-06 05:46:35 GMTrewrittenrewritten
91.50.234.x/242025-04-26 20:26:41 GMTrewrittenrewritten
91.58.62.x/242025-05-17 03:26:21 GMTblockedblocked
91.59.194.x/242025-03-09 17:37:22 GMTblockedblocked
91.59.199.x/242025-03-22 18:18:26 GMTblockedblocked
91.59.200.x/242025-03-18 18:02:40 GMTblockedblocked
93.196.244.x/242026-02-16 14:58:58 GMTblockedblocked
93.196.250.x/242026-01-15 18:14:24 GMTblockedblocked
93.196.255.x/242026-01-02 13:00:33 GMTblockedblocked
93.206.69.x/242026-01-08 13:54:26 GMTblockedblocked
93.206.74.x/242025-12-14 16:03:25 GMTblockedblocked
93.207.1.x/242025-03-20 01:51:05 GMTrewrittenrewritten
93.207.2.x/242025-03-05 19:26:24 GMTrewrittenrewritten
93.207.14.x/242025-04-08 01:44:27 GMTrewrittenrewritten
93.207.15.x/242025-03-30 10:08:23 GMTrewrittenrewritten
93.221.244.x/242025-11-23 14:21:07 GMTblockedblocked
93.222.194.x/242025-09-10 10:53:53 GMTblockedblocked
93.224.27.x/242025-10-04 08:57:13 GMTblockedblocked
93.241.13.x/242025-05-03 12:03:47 GMTblockedblocked
192.145.8.x/242025-09-26 19:00:15 GMTblockedblocked
217.91.216.x/242026-01-20 09:27:16 GMTblockedblocked
217.228.197.x/242025-09-11 13:12:59 GMTblockedblocked
217.228.198.x/242025-04-25 09:01:16 GMTblockedblocked
217.228.200.x/242025-09-20 01:48:03 GMTblockedblocked
217.228.202.x/242025-08-21 06:55:54 GMTblockedblocked
217.228.204.x/242025-10-04 10:29:40 GMTblockedblocked
217.228.205.x/242025-10-07 14:11:36 GMTblockedblocked
217.228.206.x/242025-08-27 06:20:52 GMTblockedblocked
217.228.210.x/242025-03-13 17:04:19 GMTblockedblocked
217.228.211.x/242025-06-14 10:56:23 GMTblockedblocked
217.228.213.x/242025-06-05 17:32:28 GMTblockedblocked
217.228.214.x/242025-04-05 08:04:35 GMTblockedblocked
217.228.217.x/242025-06-04 17:56:53 GMTblockedblocked
217.228.218.x/242025-05-07 17:43:19 GMTblockedblocked
217.228.220.x/242025-05-23 12:10:00 GMTblockedblocked
217.228.223.x/242025-05-03 08:39:14 GMTblockedblocked
217.235.176.x/242025-04-06 16:03:12 GMTblockedblocked
217.235.177.x/242025-09-11 13:04:29 GMTblockedblocked
217.235.186.x/242025-10-13 10:55:18 GMTblockedblocked
217.235.187.x/242025-03-01 00:06:53 GMTblockedblocked
217.235.191.x/242025-12-11 20:35:44 GMTblockedblocked
217.238.129.x/242026-01-17 12:25:35 GMTblockedblocked
217.238.130.x/242026-02-11 13:32:40 GMTblockedblocked
217.238.148.x/242026-02-18 10:36:49 GMTblockedblocked
217.245.2.x/242025-02-27 16:13:33 GMTblockedblocked
217.245.3.x/242025-07-24 15:49:22 GMTblockedblocked
217.245.5.x/242025-09-16 10:55:32 GMTblockedblocked
217.245.7.x/242025-07-21 14:36:11 GMTblockedblocked
217.245.11.x/242025-09-17 13:37:32 GMTblockedblocked
217.245.12.x/242025-07-11 10:10:13 GMTblockedblocked
217.245.13.x/242025-09-18 12:49:22 GMTblockedblocked
2003:c5:6fxx::/402025-09-10 10:53:53 GMTblockedblocked
2003:cf:5fxx::/402025-11-18 17:20:15 GMTblockedblocked
2003:e0:afxx::/402025-08-22 16:34:16 GMTblockedblocked
2003:e2:57xx::/402025-05-19 08:57:01 GMTblockedblocked
2003:ec:97xx::/402026-02-15 16:09:11 GMTblockedblocked
2a01:599:1xx::/402026-01-10 18:09:25 GMTblockedblocked
2a01:599:2xx::/402026-01-12 19:14:04 GMTblockedblocked
2a01:599:4xx::/402025-11-28 17:58:33 GMTblockedblocked
2a01:599:6xx::/402025-12-03 12:34:56 GMTblockedblocked
2a01:599:7xx::/402025-04-11 08:28:19 GMTblockedblocked
2a01:599:9xx::/402026-02-18 02:32:03 GMTblockedblocked
2a01:599:axx::/402025-11-07 19:45:07 GMTblockedblocked
2a01:599:bxx::/402025-09-17 14:52:08 GMTblockedblocked
2a01:599:cxx::/402026-01-12 11:23:32 GMTblockedblocked

Customers of AS 3320 we have spoofer tests from

This is the list of directly connected customers of AS 3320 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.

ASNCountryNumber of Prefixes
in Customer Cone
Number of ASes
in Customer Cone
Recent
tests
Spoof
Routable
5483 (MAGYAR-TELEKOM-MAIN-AS)imn (Isle of Man)93677AS 5483 testsreceived
208772 (FFS)deu (Germany)30AS 208772 testsblocked
201701 (FFRL-AS)deu (Germany)114AS 201701 testsblocked
8893 (ARTFILES-AS)deu (Germany)386AS 8893 testsblocked
12897 (ENTEGAMEDIANET)deu (Germany)599AS 12897 testsblocked
13285 (OPALTELECOM-AS)gbr (United Kingdom)11316AS 13285 testsblocked
2860 (NOS_COMUNICACOES)prt (Portugal)14342AS 2860 testsblocked
12337 (NORIS-NETWORK)deu (Germany)32328AS 12337 testsblocked
8412 (TMA)aut (Austria)42679AS 8412 testsblocked
680 (DFN)deu (Germany)50832AS 680 testsblocked
15557 (LDCOMNET)fra (France)51396AS 15557 testsblocked
3292 (TDC)dnk (Denmark)588105AS 3292 testsblocked
1136 (KPN)nld (Netherlands)68741AS 1136 testsblocked
49981 (WorldStream)nld (Netherlands)92742AS 49981 testsblocked
8881 (VERSATEL)deu (Germany)1077195AS 8881 testsblocked
12912 (TMPL)pol (Poland)1717299AS 12912 testsblocked
31898 (ORACLE-BMC-31898)usa (United States)172821AS 31898 testsblocked
4809 (CHINATELECOM-CORE-WAN-CN2)chn (China)13310251AS 4809 testsblocked
9121 (TTNet)tur (Turkey)17359852AS 9121 testsblocked

Address Space Announcement History

The customer cone for 3320 is too large for a prefix list to be useful.

Last Modified