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Tokyo Tech

General Information

Id 3743
Architecture probev1
Firmware Version 4790
Router Type
Shared Publicly Yes
User Tags Academic Native IPv6 dual-stack Native IPv4
System Tags V2 Resolves A Correctly Resolves AAAA Correctly IPv4 Works IPv6 Works IPv4 Capable IPv6 Capable IPv6 Stable 1d IPv4 Stable 1d

Connection & Traffic

Connected Time
3 weeks, 3 days

IPv4

Internet Address 131.112.21.121
Prefix 131.112.0.0/16
ASN 9367 (TITECH Tokyo Institute of Technology)

IPv6

Addresses 2001:200:136:20b::121/64
Prefix 2001:200::/32
ASN 2500 (WIDE-BB WIDE Project)

Connection Information

Time Connected Percent
Last Week 7d 0h 0m 100.00%
Last Month 29d 23h 54m 99.99%
All Time 5y 241d 6h 56m 92.51%

Connection History (Showing only the last 25)

Connected (UTC) Connected for Disconnected (UTC) Disconnected for
2019-01-28 08:20:22 24d 5h 35m Still Connected
2018-12-27 20:27:29 31d 11h 47m 2019-01-28 08:14:43 0h 5m
2018-12-19 22:40:26 7d 21h 41m 2018-12-27 20:22:04 0h 5m
2018-12-07 18:22:46 12d 4h 11m 2018-12-19 22:34:16 0h 6m
2018-11-20 09:15:39 17d 8h 51m 2018-12-07 18:06:58 0h 15m
2018-11-19 09:23:35 23h 25m 2018-11-20 08:48:57 0h 26m
2018-11-19 07:40:37 1h 36m 2018-11-19 09:17:11 0h 6m
2018-11-19 06:17:32 0h 55m 2018-11-19 07:13:31 0h 27m
2018-11-13 05:39:09 6d 0h 20m 2018-11-19 06:00:02 0h 17m
2018-11-06 08:08:15 6d 21h 24m 2018-11-13 05:33:03 0h 6m
2018-10-27 23:32:36 9d 8h 24m 2018-11-06 07:57:32 0h 10m
2018-10-14 19:16:59 13d 4h 1m 2018-10-27 23:18:42 0h 13m
2018-10-11 06:43:07 3d 12h 12m 2018-10-14 18:55:44 0h 21m
2018-10-10 12:46:37 17h 31m 2018-10-11 06:18:25 0h 24m
2018-10-10 11:20:49 1h 10m 2018-10-10 12:31:28 0h 15m
2018-10-06 02:34:17 0h 16m 2018-10-06 02:50:55 4d 8h 29m
2018-09-13 14:04:30 0h 1m 2018-09-13 14:06:25 22d 12h 27m
2018-09-12 00:29:18 0h 6m 2018-09-12 00:36:07 1d 13h 28m
2018-09-12 00:13:09 0h 5m 2018-09-12 00:18:13 0h 11m
2018-04-30 14:31:09 6d 10h 58m 2018-05-07 01:29:39 127d 22h 43m
2018-04-26 06:31:30 4d 7h 32m 2018-04-30 14:03:55 0h 27m
2018-04-26 06:00:27 0h 5m 2018-04-26 06:06:23 0h 25m
2018-04-25 06:54:11 23h 1m 2018-04-26 05:55:45 0h 4m
2018-04-25 05:07:03 1h 41m 2018-04-25 06:48:59 0h 5m
2018-04-24 08:04:48 0h 1m 2018-04-24 08:06:43 21h 0m

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Log Downloads

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  Measurement Target Start (UTC) Stop (UTC) Status
6 19731538 2a03:2880:f11b:83:face:b00c:0:25de 2019-02-21 13:53:18 One-off
4 19731537 31.13.91.36 2019-02-21 13:53:18 One-off
4 19256455 2019-01-30 15:29:33
6 18767746 ns3.edgecastdns.net 2019-01-04 18:39:04
6 18767745 ns1.edgecastdns.net 2019-01-04 18:39:04
6 18767744 ns3.edgecastcdn.net 2019-01-04 18:39:04
6 18767743 ns1.edgecastcdn.net 2019-01-04 18:39:04
4 18656719 ns3.edgecastdns.net 2018-12-31 22:29:52
4 18656718 ns1.edgecastdns.net 2018-12-31 22:29:52
4 18656717 ns3.edgecastcdn.net 2018-12-31 22:29:52
4 18656664 ns1.edgecastcdn.net 2018-12-31 22:23:56
6 17249960 tr-ist-as202365.anchors.atlas.ripe.net 2018-11-11 08:50:20
6 17249959 tr-ist-as202365.anchors.atlas.ripe.net 2018-11-11 08:50:20
6 17249958 tr-ist-as202365.anchors.atlas.ripe.net 2018-11-11 08:50:20
4 17249957 tr-ist-as202365.anchors.atlas.ripe.net 2018-11-11 08:50:18
4 17249956 tr-ist-as202365.anchors.atlas.ripe.net 2018-11-11 08:50:18
4 17249955 tr-ist-as202365.anchors.atlas.ripe.net 2018-11-11 08:50:18
6 17174760 us-sjc-as55002.anchors.atlas.ripe.net 2018-11-08 08:42:57
6 17174759 us-sjc-as55002.anchors.atlas.ripe.net 2018-11-08 08:42:57
6 17174758 us-sjc-as55002.anchors.atlas.ripe.net 2018-11-08 08:42:57
4 17174757 us-sjc-as55002.anchors.atlas.ripe.net 2018-11-08 08:42:55
4 17174756 us-sjc-as55002.anchors.atlas.ripe.net 2018-11-08 08:42:55
4 17174755 us-sjc-as55002.anchors.atlas.ripe.net 2018-11-08 08:42:55
6 16685405 us-txt-as36236.anchors.atlas.ripe.net 2018-10-27 08:42:54
6 16685404 us-txt-as36236.anchors.atlas.ripe.net 2018-10-27 08:42:54