.
Main Covid-19 vesselsFind vesselVessels listPopular vesselsWaterway TransitsRoutesPortsRegisterLoginTraffic globe
Covid-19 vesselsFind vesselVessels listPopular vesselsWaterway TransitsRoutesPortsRegisterLoginTraffic globe
Vessel photo of Keifu Maru (IMO 9237838) vesseltracker.com

Keifu Maru

Vessel type: Research Vessel | IMO: 9237838 | MMSI: MMSI: 431560000
Call sign: JPBN | Dimensions: 14 m x 81 m
Current Status

Where is the vessel?

Keifu Maru is currently in Near Ariake, Tokyo, based on AIS data received about 1h ago.

Latest AIS update:

Current position: 35.63285° N, 139.77991° E (Near Ariake, Tokyo)

Average speed (last 7 days): Loading…

Average speed (last 30 days): Loading…

Vessel profile: Keifu Maru is a Research Vessel with dimensions 14m x 81m.

This page combines live AIS, route history, probable destination signals, nearby traffic, and port activity for practical vessel monitoring.

The current position of vessel Keifu Maru is 35.63285 lat / 139.77991 lng. Updated: 2026-03-28 19:54:30 UTC
Nearest reference points:
  • Near Aomi
  • Near Kawasaki
  • Near Yokohama
Details:

Live Vessel Keifu Maru Analytics (details, animations, etc.)


Recent AIS points (UTC):
2026-03-28 14:24:29 UTC · 35.63286, 139.77992 · SOG 0 kn · COG 326°
2026-03-28 16:12:29 UTC · 35.63283, 139.77992 · SOG 0 kn · COG 326°
2026-03-28 17:48:28 UTC · 35.63287, 139.77998 · SOG 0 kn · COG 326°
2026-03-28 19:54:30 UTC · 35.63285, 139.77991 · SOG 0 kn · COG 326°

Track of the vessel in the last 28 days


UTC: --
Start: -- Track timeline (UTC) End: --
Encountered: --


Link to the map:

Find another ship

AI agent endpoints for this vessel

Keifu_Maru (431560000) last ports (portcalls and passsages)

Urayasu | 2025-09-15 05:44:51
Honshu | 2025-08-27 15:58:03
Yokosuka | 2025-08-27 07:58:03
Yokohama | 2025-08-27 06:59:39
Kawasaki | 2025-08-27 05:52:20
Tokyo | 2025-08-24 00:29:19
Tokyo | 2025-08-20 00:00:56
Kawasaki | 2025-08-19 23:58:25
SHICHIRUI | 2025-08-03 23:58:15
SHICHIRUI | 2025-07-30 23:42:19
Kochi | 2025-07-23 05:44:49
Kochi | 2025-07-19 00:06:33
YAMAGAWA | 2025-07-14 08:23:10
Kiire | 2025-07-14 01:09:36
Tsugaru-Kaikyo | 2025-07-03 22:58:22
Honshu | 2025-07-02 12:59:22
Yokosuka | 2025-07-02 08:13:45
Yokohama | 2025-07-02 07:59:16
Kawasaki | 2025-07-02 06:58:57
Tokyo | 2025-06-29 00:00:22
Tokyo | 2025-06-24 23:59:19
Tokyo | 2025-06-20 23:58:35
Tokyo | 2025-06-16 23:32:44
KIMITSU | 2025-06-14 04:58:56
ISHINOMAKI | 2025-05-30 13:59:31
Honshu | 2025-05-29 13:58:34
Yokosuka | 2025-05-29 06:59:10
Yokohama | 2025-05-29 06:38:00
Kawasaki | 2025-05-29 05:59:06
Tokyo | 2025-05-28 00:19:17
Tokyo | 2025-05-24 00:18:25
Tokyo | 2025-05-20 00:13:01
Tokyo | 2025-05-16 00:00:33
Tokyo | 2025-05-12 00:00:28
Tokyo | 2025-05-08 00:00:16
Tokyo | 2025-05-03 23:58:24
Kawasaki | 2025-05-03 23:01:06
KIMITSU | 2025-05-03 22:59:41
Osaka | 2025-05-01 00:01:04
SAKAI | 2025-04-29 04:20:39
AMAGASAKINISHINOMIYA | 2025-04-29 00:41:35
Osaka | 2025-04-27 00:00:03
Osaka | 2025-04-22 23:59:14
Osaka | 2025-04-18 23:58:15
Osaka | 2025-04-14 23:22:23
Osaka | 2025-04-10 23:01:30
Osaka | 2025-04-06 23:01:10
AMAGASAKINISHINOMIYA | 2025-04-02 23:48:24
SAKAI | 2025-04-02 23:00:03
KADA | 2025-04-02 20:34:48
Yokosuka | 2025-04-01 06:59:04
Yokohama | 2025-04-01 06:43:05
Kawasaki | 2025-04-01 05:59:19
Tokyo | 2025-03-31 02:01:16
Tokyo | 2025-03-27 01:01:11
Tokyo | 2025-03-23 01:00:48
Tokyo | 2025-03-19 00:59:17
Tokyo | 2025-03-15 00:58:52
Tokyo | 2025-03-11 00:58:13
Tokyo | 2025-03-07 00:49:41
Tokyo | 2025-03-03 00:34:45
Tokyo | 2025-02-27 00:20:00
Kawasaki | 2025-02-26 01:01:04
KIMITSU | 2025-02-26 00:58:44
Yokosuka | 2025-01-14 06:58:51
Yokohama | 2025-01-14 06:24:37
Kawasaki | 2025-01-14 05:38:40
Tokyo | 2025-01-11 01:25:38
Tokyo | 2025-01-07 01:01:22
Tokyo | 2025-01-03 01:00:48
Tokyo | 2024-12-30 01:00:44
Tokyo | 2024-12-26 00:59:15
Tokyo | 2024-12-22 00:39:27
Kawasaki | 2024-12-21 05:00:49
KIMITSU | 2024-12-21 04:59:22
SAKAI | 2024-12-18 01:22:12
AMAGASAKINISHINOMIYA | 2024-12-18 00:58:47
Osaka | 2024-12-17 04:00:04
Osaka | 2024-12-13 03:59:21
Osaka | 2024-12-09 03:58:52
Osaka | 2024-12-05 03:58:49
Osaka | 2024-12-01 03:52:23
Osaka | 2024-11-27 03:28:01
AMAGASAKINISHINOMIYA | 2024-11-23 03:25:53
Yokosuka | 2024-11-21 06:59:27
Yokohama | 2024-11-21 06:27:05
Kawasaki | 2024-11-21 05:43:39
Tokyo | 2024-11-21 01:58:03
Tokyo | 2024-11-17 01:00:56
Tokyo | 2024-11-13 00:59:14
Tokyo | 2024-11-09 00:52:43
Tokyo | 2024-11-05 00:29:24
Chibai | 2024-11-03 00:14:46
Kawasaki | 2024-11-02 23:58:35
Yokosuka | 2024-11-02 23:01:06
Shimonoseki | 2024-10-28 00:54:41
Wakamatsu | 2024-10-24 01:11:22
Naha | 2024-10-21 01:27:30
Naha | 2024-10-17 00:14:00
Yokohama | 2024-10-03 07:58:26
Kawasaki | 2024-10-03 07:52:51
Tokyo | 2024-09-29 22:59:19
Tokyo | 2024-09-25 22:58:36
Chibai | 2024-09-21 08:40:01
Tsugaru-Kaikyo | 2024-09-19 20:47:30
Niigata | 2024-09-11 22:25:04
Tsugaru-Kaikyo | 2024-09-08 00:44:27
Honshu | 2024-09-06 14:01:18
Yokohama | 2024-09-06 06:01:18
Kawasaki | 2024-09-06 05:26:36
Tokyo | 2024-09-04 01:00:08
Tokyo | 2024-08-31 00:45:24
Chibai | 2024-08-31 00:01:09
Kawasaki | 2024-08-30 23:48:13
Yokosuka | 2024-08-30 22:58:03
Tsugaru-Kaikyo | 2024-08-28 12:59:59
Kochi | 2024-08-14 09:43:41
Kochi | 2024-08-10 08:28:28
Kiire | 2024-08-03 04:32:54
Kagoshima | 2024-08-02 01:10:48
Kagoshima | 2024-07-29 00:02:53
Yokosuka | 2024-07-12 06:16:05
Yokohama | 2024-07-12 05:59:09
Tokyo | 2024-07-12 00:17:18
Tokyo | 2024-07-08 00:00:42
Tokyo | 2024-07-03 23:59:23
Chibai | 2024-06-30 06:59:09
Yokosuka | 2024-06-30 05:58:02
Honshu | 2024-06-30 00:47:05
Yokohama | 2024-06-14 05:51:11
Kawasaki | 2024-06-14 04:58:50
Tokyo | 2024-06-11 01:01:25
Tokyo | 2024-06-07 00:59:00
Tokyo | 2024-06-02 23:59:14
Kawasaki | 2024-05-27 07:29:46
Yokosuka | 2024-05-27 06:49:09
Honshu | 2024-05-27 01:58:15
Hakodate | 2024-05-20 00:21:03
Hakodate | 2024-05-16 00:00:51
Hakodate | 2024-05-11 23:59:29
Yokosuka | 2024-04-26 06:59:15
Yokohama | 2024-04-26 06:29:41
Kawasaki | 2024-04-26 05:20:09
Tokyo | 2024-04-24 22:58:26
Tokyo | 2024-04-20 22:57:29
Tokyo | 2024-04-16 22:01:42
Tokyo | 2024-04-12 22:00:27
Tokyo | 2024-04-08 21:59:34
Tokyo | 2024-04-04 21:59:22
Tokyo | 2024-03-31 21:58:44
Tokyo | 2024-03-27 20:01:44
Tokyo | 2024-03-23 19:59:18
Tokyo | 2024-03-19 19:00:51
Tokyo | 2024-03-14 23:49:52
Kawasaki | 2024-03-14 00:19:41
Naha | 2024-03-03 07:07:16
Malakal | 2024-02-26 02:22:46
Malakal | 2024-02-22 00:23:50
Yokosuka | 2024-02-02 06:58:42
Kawasaki | 2024-02-02 05:58:03
Tokyo | 2024-02-01 00:58:48
Tokyo | 2024-01-28 00:56:04
Tokyo | 2024-01-24 00:01:31
Tokyo | 2024-01-19 23:59:02
Chibai | 2024-01-19 02:01:22
Kawasaki | 2024-01-19 01:58:03
Yokosuka | 2024-01-19 00:58:35
Yokosuka | 2024-01-11 06:15:09
Yokohama | 2024-01-11 05:59:08
Kawasaki | 2024-01-11 05:18:00
Tokyo | 2024-01-09 15:05:49
Tokyo | 2024-01-05 15:00:58
Tokyo | 2024-01-01 15:00:25
Tokyo | 2023-12-28 14:59:26
Kawasaki | 2023-12-26 01:45:32
Tokyo | 2023-12-24 14:58:56
Tokyo | 2023-12-20 14:58:13
Tokyo | 2023-12-16 14:01:22
Tokyo | 2023-12-12 13:59:03
Tokyo | 2023-12-08 13:40:46
Tokyo | 2023-12-04 02:00:27
Tokyo | 2023-11-30 01:59:34
Tokyo | 2023-11-26 01:59:01
Tokyo | 2023-11-22 01:57:28
Tokyo | 2023-11-18 01:01:24
Tokyo | 2023-11-14 01:01:20
Tokyo | 2023-11-10 00:59:35
Tokyo | 2023-11-06 00:54:25
Tokyo | 2023-11-02 00:29:05
Kawasaki | 2023-11-01 04:00:27
Naha | 2023-10-15 01:47:23
Naha | 2023-10-10 23:45:43
Kawasaki | 2023-10-05 04:36:57
Tokyo | 2023-10-04 01:02:23
Tokyo | 2023-09-30 00:46:47
Chibai | 2023-09-28 23:25:19
Yokosuka | 2023-09-28 22:17:23
Kochi | 2023-09-14 22:44:19
Kochi | 2023-09-10 22:38:15
Atumi | 2023-09-07 00:15:04
Yokohama | 2023-09-06 06:12:10
Tokyo | 2023-09-06 02:10:46
Tokyo | 2023-09-02 00:46:42
Tokyo | 2023-08-29 00:25:19
Tokyo | 2023-08-24 23:18:11
Yokosuka | 2023-08-24 00:22:37
Nanao | 2023-08-12 05:36:42
Nanao | 2023-08-08 04:06:00
Nanao | 2023-08-04 02:22:51
Nagasaki | 2023-07-27 01:08:36
Nagasaki | 2023-07-23 00:13:35
Kawasaki | 2023-07-09 05:35:16
Tokyo | 2023-07-07 00:11:43
Tokyo | 2023-07-03 00:10:02
Kawasaki | 2023-07-02 23:14:24
Nagasaki | 2023-06-15 01:09:02
Yokosuka | 2023-06-03 06:34:42
Kawasaki | 2023-06-03 05:36:32
Tokyo | 2023-06-02 01:22:29
Tokyo | 2023-05-29 00:48:46
Tokyo | 2023-05-25 00:13:00
Kawasaki | 2023-05-23 23:52:19
Honshu | 2023-05-18 11:24:46
Kawasaki | 2023-05-18 05:23:17
Tokyo | 2023-05-16 23:54:24
Tokyo | 2023-05-12 23:19:44
Kawasaki | 2023-05-12 05:28:55
Yokosuka | 2023-05-12 04:49:21
Hakodate | 2023-04-19 18:48:24
Hakodate | 2023-04-15 18:05:04
Honshu | 2023-04-10 11:53:37
Yokosuka | 2023-04-10 06:51:17
Kawasaki | 2023-04-10 05:25:45
Tokyo | 2023-04-09 09:36:12
Tokyo | 2023-04-03 04:44:06
Tokyo | 2023-03-30 04:34:56
Tokyo | 2023-03-26 01:40:14
Nanao | 2023-03-04 06:09:06
Nanao | 2023-02-28 02:38:38
Honshu | 2023-02-12 02:45:09
Kawasaki | 2023-02-11 03:00:44
Tokyo | 2023-02-07 23:41:08
Tokyo | 2023-02-03 21:03:36
Tokyo | 2023-01-30 21:00:17
Tokyo | 2023-01-26 20:28:01
Tokyo | 2023-01-22 17:38:45
Tokyo | 2023-01-18 14:49:49
Tokyo | 2023-01-14 11:38:19
Tokyo | 2023-01-10 11:16:50
Tokyo | 2023-01-06 08:53:57
Tokyo | 2023-01-02 05:54:00
Tokyo | 2022-12-29 03:06:21
Tokyo | 2022-12-24 23:47:48
Tokyo | 2022-12-20 23:15:53
Tokyo | 2022-12-04 08:50:44
Tokyo | 2022-11-30 05:50:50
Tokyo | 2022-11-26 02:51:29
Tokyo | 2022-11-22 02:14:37
Tokyo | 2022-11-09 02:52:53
Osaka | 2022-11-06 08:07:57
Amagasaki | 2022-11-03 05:12:10
Osaka | 2022-11-02 05:28:58
Osaka | 2022-10-24 07:15:20
Osaka | 2022-10-19 08:02:02
Osaka | 2022-10-13 01:21:41
Yokohama | 2022-10-11 07:24:37
Tokyo | 2022-10-10 10:47:19
Tokyo | 2022-10-06 07:35:03
Tokyo | 2022-10-02 04:32:42
Nagasaki | 2022-09-16 04:48:52
Nagasaki | 2022-09-12 02:10:39
Omura | 2022-09-03 10:30:52
Kawasaki | 2022-08-31 01:52:45
Tokyo | 2022-08-31 01:13:48
Tokyo | 2022-08-27 01:11:41
Yokosuka | 2022-08-25 08:12:17
Nagasaki | 2022-08-16 02:13:18
Nagasaki | 2022-08-12 01:30:45
Kochi | 2022-08-05 01:31:39
Kochi | 2022-08-01 01:06:40
Kiire | 2022-07-27 07:04:48
Kawasaki | 2022-07-17 01:53:22
Tokyo | 2022-07-16 07:20:47
Tokyo | 2022-07-12 07:09:24
Tokyo | 2022-07-08 07:07:40
Tokyo | 2022-07-04 04:27:52
Tokyo | 2022-06-30 01:02:05
Nagasaki | 2022-06-12 01:27:13
Nagasaki | 2022-06-08 01:11:15
Tokyo | 2022-05-29 01:13:12
Tokyo | 2022-05-25 01:11:53
Tokyo | 2022-05-21 01:04:34
Honshu | 2022-05-18 04:41:36
Tokyo | 2022-05-08 01:31:47
Kawasaki | 2022-05-07 22:16:16
Osaka | 2022-05-02 12:14:26
Yokosuka | 2022-04-17 03:13:00
Tokyo | 2022-03-27 03:05:55
Osaka | 2022-03-17 03:32:48
Osaka | 2022-03-16 06:05:13
Yokosuka | 2022-03-13 03:25:17
Tokyo | 2022-02-13 01:02:04
Shimizu | 2022-01-18 02:00:01
Yokosuka | 2022-01-08 07:50:12
Yokosuka | 2022-01-08 07:45:08
Yokohama | 2022-01-08 07:40:09
Yokohama | 2022-01-08 07:30:00
Yokohama | 2022-01-08 07:20:48
Kawasaki | 2022-01-08 06:40:56
Tokyo | 2022-01-08 06:35:05
Tokyo | 2021-12-17 03:35:27
Chibai | 2021-12-16 06:42:31
Yokosuka | 2021-12-16 05:39:24
Osaka | 2021-12-14 07:35:24
Osaka | 2021-12-14 02:55:53
Osaka | 2021-12-03 04:00:25


Find ship location on the map, vessel routs, position and coordinates


info@shipinfo.net
© shipinfo.net
Shipinfo analytics and prediction platform
Privacy Policy
Cookie Policy
Terms of Use

For AI Agents: ShipInfo Agent-Native API

Machine-readable discovery is available via manifest/OpenAPI/schema index. For paid interactions only, payer autonomy is supported: agent_self_assessed_fair_value, paid_interactions_only.

Agent Manifest OpenAPI Schemas Index Capabilities Popular Vessels API Policy Quality Billing Pricing x402 Requirements Exchange Messages API Active Agents For Agents Agent Studio Agents Lab Agents Forum Agents Graph Site Map Popular Vessels Quickstart