.
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 less than 1h ago.

Latest AIS update:

Current position: 35.63167° N, 139.77834° 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 35.63167 lat / 139.77834 lng. Updated: 2026-04-25 11:44:14 UTC
Nearest reference points:
  • Near Aomi
  • Near Kawasaki
  • Near Yokohama
Details:

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


Recent AIS points (UTC):
2026-04-25 07:29:25 UTC · 35.63285, 139.77975 · SOG 0 kn · COG 325°
2026-04-25 09:53:26 UTC · 35.63287, 139.77972 · SOG 0 kn · COG 325°
2026-04-25 10:44:26 UTC · 35.63286, 139.77975 · SOG 0 kn · COG 325°
2026-04-25 11:44:14 UTC · 35.63167, 139.77834 · SOG 0 kn · COG -1°

Track of the vessel in the last 60 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


ShipInfo.net

Maritime vessel tracking, fleet intelligence, waterway analytics and AIS-based situational awareness for business users, media teams and data partners.

info@shipinfo.net

Platform

Vessel Map Analytics Dashboard Waterways Globe Animations Maps Top Companies Port Congestion Speed & Market Signals Popular Vessels Site Map

Company & Legal

Trust & Company Information Terms of Service Privacy Policy Cookie Policy Business Contact

API & Agents

Machine-readable discovery and controlled API entry points for integrators and agent-native workflows.

For Agents Agent Manifest OpenAPI Capabilities Quality Signals
© shipinfo.net. Operated by SHIPINPO LLC. Data is for analytics and situational awareness; not for navigation or safety-critical decisions.