JTCL-JP-AS

AS9824 · JCOM Co., Ltd. · JP · APNIC

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Upstream providers

Downstream customers

4.7m

v4 addresses

v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Provider	First Seen	Last Seen	Peers
AS2516 AS2516	2024-11-01 1y 6mo	2026-05-02	31 peers AS209 AS260 AS3257 AS3549 AS12956
TWELVE99 AS1299	2024-11-01 1y 6mo	2026-05-02	125 peers AS4641 AS16276 AS16552 AS24482 AS55720
AS174 AS174	2025-04-02 1y 1mo	2026-05-02	115 peers AS199524

Customers (20)

Customer	Country	First Seen	Last Seen	IPs	Peers
AS4721 AS4721	JP	2024-11-01 1y 6mo	2026-05-02	1.3m	112 peers AS209 AS260 AS3257 AS3549 AS4775 AS12956 AS16276 AS16552 AS24482 AS55720
AS7686 AS7686	JP	2024-11-01 1y 6mo	2026-05-02	8.2k	56 peers AS209 AS260 AS3257 AS3549 AS4775 AS12956 AS16276 AS16552 AS24482 AS55720
AS9378 AS9378	JP	2024-11-01 1y 6mo	2026-05-02	90k	106 peers AS209 AS260 AS553 AS1140 AS3257 AS3320 AS3333 AS3491 AS3549 AS4641 AS4775 AS5580 AS7594 AS8220 AS12956 AS13237 AS14630 AS14907 AS16260 AS16276 AS16552 AS17290 AS24482 AS24516 AS24961 AS25220 AS29049 AS32590 AS33874 AS34872 AS35280 AS35710 AS36236 AS38008 AS41811 AS45437 AS46997 AS47147 AS48112 AS49544 AS51185 AS55720 AS57187 AS58511 AS63956 AS64475 AS132847 AS136557 AS151326 AS199524
AS9614 AS9614	JP	2024-11-01 1y 6mo	2026-05-02	166k	57 peers AS209 AS260 AS3257 AS3549 AS4775 AS12956 AS16276 AS16552 AS24482 AS55720
AS9617 AS9617	JP	2024-11-01 1y 6mo	2026-05-02	2.3m	113 peers AS209 AS260 AS1031 AS3257 AS3491 AS3549 AS5580 AS6453 AS6461 AS7018 AS8218 AS8582 AS12956 AS16552 AS40864 AS61832 AS271253
NSK AS17534	JP	2024-11-01 1y 6mo	2026-05-02	98k	6 peers AS260 AS3257 AS8582
mitene-internet AS17961	JP	2024-11-01 1y 6mo	2026-05-02	59k	35 peers AS260 AS3257 AS8582
AS18134 AS18134	JP	2024-11-01 1y 6mo	2026-05-02	59k	88 peers AS209 AS260 AS3257 AS3549 AS4775 AS12956 AS16276 AS16552 AS24482 AS55720
AS18136 AS18136	JP	2024-11-01 1y 6mo	2026-05-02	86k	88 peers AS209 AS260 AS553 AS1140 AS3257 AS3320 AS3333 AS3491 AS3549 AS4641 AS4775 AS5580 AS7594 AS8220 AS12956 AS13237 AS14630 AS14907 AS16260 AS16276 AS16552 AS17290 AS24482 AS24516 AS24961 AS25220 AS29049 AS32590 AS33874 AS34872 AS35280 AS35710 AS36236 AS38008 AS41811 AS45437 AS46997 AS47147 AS48112 AS49544 AS51185 AS55720 AS57187 AS58511 AS63956 AS64475 AS132847 AS136557 AS151326 AS199524
CCV AS18283	JP	2024-11-01 1y 6mo	2026-05-02	84k	6 peers AS209 AS260 AS3257 AS3549
CRCC AS23635	JP	2024-11-01 1y 6mo	2026-05-02	16k	56 peers AS209 AS260 AS3257 AS3549 AS4775 AS12956 AS16276 AS16552 AS24482 AS55720
AS23788 AS23788	JP	2024-11-01 1y 6mo	2026-05-02	49k	88 peers AS209 AS260 AS3257 AS3549 AS4775 AS12956 AS16276 AS16552 AS24482 AS55720
AS23790 AS23790	JP	2024-11-01 1y 6mo	2026-05-02	18k	56 peers AS209 AS260 AS3257 AS3549 AS4775 AS12956 AS16276 AS16552 AS24482 AS55720
T-CATV AS24255	JP	2024-11-01 1y 6mo	2026-05-02	26k	10 peers AS209 AS260 AS3257 AS3549
AS24276 AS24276	JP	2024-11-01 1y 6mo	2026-05-02	41k	88 peers AS209 AS260 AS553 AS1140 AS3257 AS3320 AS3333 AS3491 AS3549 AS4641 AS4775 AS5580 AS7594 AS8220 AS12956 AS13237 AS14630 AS14907 AS16260 AS16276 AS16552 AS17290 AS24482 AS24516 AS24961 AS25220 AS29049 AS32590 AS33874 AS34872 AS35280 AS35710 AS36236 AS38008 AS41811 AS45437 AS46997 AS47147 AS48112 AS49544 AS51185 AS55720 AS57187 AS58511 AS63956 AS64475 AS132847 AS136557 AS151326 AS199524
AS45675 AS45675	JP	2024-11-01 1y 6mo	2026-05-02	8.2k	88 peers AS209 AS260 AS3257 AS3549 AS4775 AS12956 AS16276 AS16552 AS24482 AS55720
AS45690 AS45690	JP	2024-11-01 1y 6mo	2026-05-02	4.1k	57 peers AS209 AS260 AS3257 AS3549 AS4775 AS12956 AS16276 AS16552 AS24482 AS55720
AS24290 AS24290	JP	2025-04-16 1y	2026-05-02	2k	56 peers AS209 AS260 AS3257 AS3549 AS4775 AS12956 AS16276 AS16552 AS24482 AS55720
AS7524 AS7524	JP	2025-08-29 8mo	2026-05-02	110k	71 peers AS209 AS260 AS1140 AS3257 AS3320 AS3333 AS3549 AS5580 AS12956 AS13237 AS16260 AS16276 AS16552 AS24961 AS34872 AS35710 AS41811 AS45437 AS47147 AS48112 AS55720 AS61832 AS63956 AS64475 AS132847
Toshima-Network AS23808	JP	2026-03-12 1mo	2026-05-02	14k	59 peers AS209 AS260 AS3257 AS3549 AS4775 AS12956 AS16276 AS16552 AS24482 AS55720

Network Size

IPv4 and IPv6 prefixes originated over time

231

v4 prefixes

4.7m

v4 addresses

v6 prefixes

v6 /32s

Downstream Customers Over Time

Count of distinct downstream customers per snapshot date

Unclassified Peers Over Time

Count of unclassified adjacencies per snapshot date

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching

2026-04-29

New Transit

JTCL-JP-AS AS9824 → added provider TWELVE99 AS1299

Confidence: 90%

⇄

2026-04-28

Lost Transit

JTCL-JP-AS AS9824 → lost provider AS174 AS174

Confidence: 85% Duration: 390d

⇄

2024-12-25

Lost Transit

JTCL-JP-AS AS9824 → lost provider AS2497 AS2497

Confidence: 85% Duration: 53d

⇄

2024-11-02

New Transit

AS45690 AS45690 → added provider JTCL-JP-AS AS9824

Confidence: 90%

⇄

2024-11-02

New Transit

AS45675 AS45675 → added provider JTCL-JP-AS AS9824

Confidence: 90%

⇄

2024-11-02

New Transit

AS24276 AS24276 → added provider JTCL-JP-AS AS9824

Confidence: 90%

⇄

2024-11-02

New Transit

T-CATV AS24255 → added provider JTCL-JP-AS AS9824

Confidence: 90%

⇄

2024-11-02

New Transit

AS23790 AS23790 → added provider JTCL-JP-AS AS9824

Confidence: 90%

⇄

2024-11-02

New Transit

AS23788 AS23788 → added provider JTCL-JP-AS AS9824

Confidence: 90%

⇄

2024-11-02

New Transit

CRCC AS23635 → added provider JTCL-JP-AS AS9824

Confidence: 90%

⇄

2024-11-02

New Transit

CCV AS18283 → added provider JTCL-JP-AS AS9824

Confidence: 90%

⇄

2024-11-02

New Transit

AS18136 AS18136 → added provider JTCL-JP-AS AS9824

Confidence: 90%

⇄

2024-11-02

New Transit

AS18134 AS18134 → added provider JTCL-JP-AS AS9824

Confidence: 90%

⇄

2024-11-02

New Transit

mitene-internet AS17961 → added provider JTCL-JP-AS AS9824

Confidence: 90%

⇄

2024-11-02

New Transit

NSK AS17534 → added provider JTCL-JP-AS AS9824

Confidence: 90%

⇄

2024-11-02

New Transit

JTCL-JP-AS AS9824 → added provider AS2516 AS2516

Confidence: 90%

⇄

2024-11-02

New Transit

JTCL-JP-AS AS9824 → added provider AS2497 AS2497

Confidence: 90%

⇄

2024-11-02

New Transit

JTCL-JP-AS AS9824 → added provider TWELVE99 AS1299

Confidence: 90%

⇄

2024-11-02

New Transit

AS9617 AS9617 → added provider JTCL-JP-AS AS9824

Confidence: 90%

⇄

2024-11-02

New Transit

AS9614 AS9614 → added provider JTCL-JP-AS AS9824

Confidence: 90%

⇄

2024-11-02

New Transit

AS9378 AS9378 → added provider JTCL-JP-AS AS9824

Confidence: 90%

⇄

2024-11-02

New Transit

AS7686 AS7686 → added provider JTCL-JP-AS AS9824

Confidence: 90%

⇄

2024-11-02

New Transit

AS4721 AS4721 → added provider JTCL-JP-AS AS9824

Confidence: 90%

⇄

Renewal Calendar

Active providers first seen 11–13 months ago — possible annual contract renewals

This data is available to subscribers.