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Autonomous System

AS9824

JCOM Co., Ltd.

Announced IPs
4,745,214
CIDR prefixes
58
ASN
AS9824

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

69/100
Moderate
How this score is built

Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Geographic scope Regional
Traffic ratio Mostly Inbound
Peering policy Selective
IRR record AS-9824TRANSIT AS-9824TRANSIT6

Present at 6 internet exchanges: JPNAP Tokyo: Peering, Equinix Tokyo, JPIX TOKYO, JPIX OSAKA, BBIX Tokyo, JPNAP Osaka

Web3 footprint

AS9824 hosts 1 observed decentralized-network node across 1 network. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

AS9824 — global IP footprint

Cities where AS9824 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
27.136.0.0/13 524.3K
0.0%
JP Chiba Urayasu
42.144.0.0/13 524.3K
96.1%
JCOM Co., Ltd. JP Fukuoka Minamikatae
110.128.0.0/13 524.3K
99.3%
JCOM Co., Ltd. JP Saitama Ageo
119.168.0.0/13 524.3K
97.8%
JCOM Co., Ltd. JP Osaka Naniwa Ku
125.8.0.0/13 524.3K
97.6%
JCOM Co., Ltd. JP Kyoto Kyoto
27.140.0.0/14 262.1K
98.8%
JCOM Co., Ltd. JP Tokyo Asagayakita
59.168.0.0/14 262.1K
98.2%
JCOM Co., Ltd. JP Hokkaido Sapporo
61.24.0.0/14 262.1K
0.0%
JP Hokkaido Sapporo
116.220.0.0/14 262.1K
99.3%
JCOM Co., Ltd. JP Osaka Sakai
124.140.0.0/14 262.1K
95.3%
JCOM Co., Ltd. JP Ibaraki Ushiku
27.136.0.0/15 131.1K
97.2%
JCOM Co., Ltd. JP Saitama Koshigaya
60.58.0.0/15 131.1K
92.3%
JCOM Co., Ltd. JP Fukuoka Kuzuhara
60.60.0.0/15 131.1K
94.4%
JCOM Co., Ltd. JP Saitama Koshigaya
61.22.0.0/15 131.1K
98.3%
JCOM Co., Ltd. JP Fukuoka Fukuoka
61.26.0.0/15 131.1K
97.9%
JCOM Co., Ltd. JP Hokkaido Sapporo
116.64.0.0/15 131.1K
98.1%
JCOM Co., Ltd. JP Kanagawa Nishihashimoto
124.144.0.0/15 131.1K
96.6%
JCOM Co., Ltd. JP Chiba Kashiwa
27.138.0.0/16 65.5K
97.1%
JCOM Co., Ltd. JP Tokyo Hino
59.166.0.0/16 65.5K
97.1%
JCOM Co., Ltd. JP Tokyo Maenochō
60.62.0.0/16 65.5K
93.0%
JCOM Co., Ltd. JP Kanagawa Fujisawa
61.21.0.0/16 65.5K
98.5%
JCOM Co., Ltd. JP Tokyo Minamiogikubo
61.24.0.0/16 65.5K
97.8%
JCOM Co., Ltd. JP Tokyo Kugayama
203.165.0.0/16 65.5K
93.6%
JCOM Co., Ltd. JP Tokyo Tokyo
210.20.0.0/16 65.5K
95.9%
JCOM Co., Ltd. JP Tokyo Edogawa
210.194.0.0/16 65.5K
98.4%
JCOM Co., Ltd. JP Kanagawa Ayase
27.139.128.0/17 32.8K
98.1%
JCOM Co., Ltd. JP Chiba Chiba
61.25.0.0/17 32.8K
96.4%
JCOM Co., Ltd. JP Saitama Kawaguchi
27.139.64.0/18 16.4K
95.4%
JCOM Co., Ltd. JP Tokyo Shinjuku
61.25.192.0/18 16.4K
97.1%
JCOM Co., Ltd. JP Hokkaido Sapporo
220.152.0.0/18 16.4K
96.4%
JCOM Co., Ltd. JP Saitama Negishi
27.139.0.0/19 8.2K
94.4%
JCOM Co., Ltd. JP Saitama Misato, Saitama
61.25.128.0/19 8.2K
97.1%
JCOM Co., Ltd. JP Toyama Toyama
220.152.64.0/19 8.2K
99.4%
JCOM Co., Ltd. JP Tokyo Honchō
27.139.32.0/20 4.1K
89.9%
JCOM Co., Ltd. JP Tokyo Nakano City
61.25.160.0/20 4.1K
98.8%
JCOM Co., Ltd. JP
27.139.48.0/21 2.0K
90.7%
JCOM Co., Ltd. JP Tokyo Nakano City
61.25.184.0/21 2.0K
94.6%
JCOM Co., Ltd. JP Toyama Toyama
116.214.16.0/21 2.0K
99.2%
JCOM Co., Ltd. JP
27.139.56.0/22 1.0K
88.6%
JCOM Co., Ltd. JP Tokyo Nakano City
61.25.180.0/22 1.0K
98.0%
JCOM Co., Ltd. JP Tochigi Oyama
27.139.60.0/23 512
88.9%
JCOM Co., Ltd. JP Tokyo Nakano City
61.25.178.0/23 512
99.6%
JCOM Co., Ltd. JP Tochigi Oyama
27.139.63.0/24 256
90.2%
JCOM Co., Ltd. JP Tokyo Nakano City
61.25.177.0/24 256
98.0%
JCOM Co., Ltd. JP Tochigi Oyama
27.139.62.128/25 128
92.2%
JCOM Co., Ltd. JP Tokyo Nakano City
61.25.176.0/25 128
98.4%
JCOM Co., Ltd. JP Tochigi Oyama
27.139.62.64/26 64
92.2%
JCOM Co., Ltd. JP Tokyo Nakano City
61.25.176.128/26 64
98.4%
JCOM Co., Ltd. JP Tochigi Oyama
27.139.62.32/27 32
93.8%
JCOM Co., Ltd. JP Tokyo Nakano City
61.25.176.224/27 32
100.0%
JCOM Co., Ltd. JP Tochigi Oyama
27.139.62.0/28 16
93.8%
JCOM Co., Ltd. JP Tokyo Nakano City
61.25.176.208/28 16
100.0%
JCOM Co., Ltd. JP Tochigi Oyama
27.139.62.24/29 8
87.5%
JCOM Co., Ltd. JP Tokyo Nakano City
61.25.176.200/29 8
100.0%
JCOM Co., Ltd. JP Tochigi Oyama
27.139.62.16/30 4
100.0%
JCOM Co., Ltd. JP Tokyo Nakano City
61.25.176.196/30 4
100.0%
JCOM Co., Ltd. JP Tochigi Oyama
27.139.62.22/31 2
100.0%
JCOM Co., Ltd. JP Tokyo Nakano City
61.25.176.192/31 2
100.0%
JCOM Co., Ltd. JP Tochigi Oyama
27.139.62.20/32 1
100.0%
JCOM Co., Ltd. JP Tokyo Nakano City
61.25.176.195/32 1
100.0%
JCOM Co., Ltd. JP Tochigi Oyama

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS9824 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
116.221.0.0/17 4,994 2026-07-18 12:00:51
210.20.0.0/16 4,913 2026-07-18 12:00:51
220.152.64.0/19 4,880 2026-07-18 12:00:51
125.8.64.0/18 4,876 2026-07-18 11:59:45
60.62.0.0/16 4,869 2026-07-18 11:59:14
125.8.0.0/18 4,868 2026-07-18 11:59:45
210.194.0.0/16 4,865 2026-07-18 12:00:51
220.152.0.0/18 4,862 2026-07-18 12:00:51
119.174.0.0/17 4,858 2026-07-18 11:59:45
61.22.0.0/16 4,857 2026-07-18 11:59:14
59.170.0.0/16 4,850 2026-07-18 11:59:14
60.58.0.0/16 4,848 2026-07-18 11:59:14
61.26.0.0/16 4,847 2026-07-18 11:59:14
125.8.128.0/18 4,847 2026-07-18 11:59:45
59.169.0.0/16 4,842 2026-07-18 11:59:14
119.169.128.0/18 4,841 2026-07-18 11:59:45
60.61.0.0/16 4,837 2026-07-18 11:59:14
119.169.0.0/18 4,837 2026-07-18 11:59:45
116.222.0.0/18 4,835 2026-07-18 11:59:45
125.8.192.0/18 4,834 2026-07-18 11:59:45
59.166.0.0/16 4,834 2026-07-18 11:59:14
124.145.192.0/18 4,829 2026-07-18 11:59:45
61.25.0.0/16 4,824 2026-07-18 11:59:14
203.165.0.0/16 4,822 2026-07-18 12:00:51
119.169.64.0/18 4,822 2026-07-18 11:59:45
119.175.0.0/16 4,820 2026-07-18 12:00:51
61.21.0.0/16 4,813 2026-07-18 11:59:14
60.59.0.0/16 4,813 2026-07-18 11:59:14
27.137.0.0/16 4,808 2026-07-18 11:59:13
124.145.64.0/18 4,806 2026-07-18 11:59:45
61.24.0.0/16 4,806 2026-07-18 11:59:14
60.60.0.0/16 4,804 2026-07-18 11:59:14
59.171.0.0/16 4,800 2026-07-18 11:59:14
125.10.0.0/16 4,800 2026-07-18 12:00:51
125.12.0.0/16 4,800 2026-07-18 12:00:51
116.64.0.0/16 4,799 2026-07-18 12:00:51
125.11.0.0/18 4,798 2026-07-18 11:59:45
119.171.0.0/16 4,794 2026-07-18 12:00:51
116.222.192.0/18 4,793 2026-07-18 11:59:45
61.27.0.0/16 4,792 2026-07-18 11:59:14
124.145.128.0/18 4,790 2026-07-18 11:59:45
119.174.0.0/16 4,789 2026-07-18 12:00:51
203.165.128.0/17 4,785 2026-07-18 12:00:51
61.23.0.0/16 4,782 2026-07-18 11:59:14
27.142.128.0/17 4,780 2026-07-18 11:59:11
124.145.0.0/18 4,779 2026-07-18 11:59:45
125.9.0.0/16 4,779 2026-07-18 12:00:51
116.222.128.0/18 4,779 2026-07-18 11:59:45
124.141.0.0/16 4,778 2026-07-18 12:00:51
210.194.0.0/17 4,775 2026-07-18 12:00:51

Showing top 50 of 231 announced prefixes by sample volume.

Frequently Asked Questions

What is AS9824?

AS9824 is an Autonomous System Number assigned to JCOM Co., Ltd.. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS9824 announce?

AS9824 announces 4.75M IPv4 addresses distributed across 58 routed CIDR prefixes. The network is registered in Japan.

Who operates AS9824?

AS9824 is operated by JCOM Co., Ltd.. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.

What country is AS9824 registered in?

AS9824 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-18 12:40:28 UTC
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