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Autonomous System

AS18134

JCOM Co., Ltd.

Announced IPs
29,696
CIDR prefixes
8
ASN
AS18134

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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Traffic level 1-5Gbps
Geographic scope Asia Pacific
Traffic ratio Mostly Inbound
Peering policy Open

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS18134 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
202.57.232.0/21 4,974 2026-07-24 02:57:06
202.57.224.0/21 4,953 2026-07-24 02:57:06
111.125.144.0/21 4,934 2026-07-24 02:57:45
219.100.24.0/23 4,928 2026-07-24 02:57:06
219.112.144.0/20 4,916 2026-07-24 02:57:06
203.217.180.0/23 4,912 2026-07-24 02:57:06
203.217.180.0/22 4,906 2026-07-24 02:57:45
219.100.26.0/23 4,897 2026-07-24 02:57:06
122.50.48.0/20 4,893 2026-07-24 02:57:06
202.57.224.0/20 4,887 2026-07-24 02:57:45
219.112.128.0/20 4,885 2026-07-24 02:57:06
113.197.24.0/21 4,881 2026-07-24 02:57:06
203.217.182.0/23 4,876 2026-07-24 02:57:06
111.125.144.0/22 4,872 2026-07-24 02:57:06
111.125.148.0/22 4,868 2026-07-24 02:57:06
219.112.128.0/19 4,867 2026-07-24 02:57:45
103.55.196.0/23 4,866 2026-07-24 02:57:06
122.50.32.0/20 4,863 2026-07-24 02:57:06
113.197.16.0/21 4,861 2026-07-24 02:57:06
219.100.24.0/22 4,848 2026-07-24 02:57:45
103.55.198.0/23 4,823 2026-07-24 02:57:06
113.197.16.0/20 4,812 2026-07-24 02:57:45
122.50.32.0/19 4,806 2026-07-24 02:57:45
103.55.196.0/22 4,791 2026-07-24 02:57:45

Frequently Asked Questions

What is AS18134?

AS18134 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 AS18134 announce?

AS18134 announces 29.7K IPv4 addresses distributed across 8 routed CIDR prefixes. The network is registered in Japan.

Who operates AS18134?

AS18134 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 AS18134 registered in?

AS18134 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-24 03:25:31 UTC
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