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Autonomous System

AS10204

Arcnet NTT MSC ISP

Announced IPs
23,552
CIDR prefixes
13
ASN
AS10204

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.

70/100
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 NSP
Traffic level 1-5Gbps
Geographic scope Regional
Traffic ratio Balanced
Peering policy Open
IRR record AS10204:AS-GLOBAL

Present at 3 internet exchanges: MyIX, DE-CIX ASEAN, DE-CIX Kuala Lumpur

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS10204 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
203.115.208.0/24 82,468 2026-08-22 20:19:11
103.51.50.0/24 71,062 2026-09-11 09:08:27
103.51.51.0/24 70,666 2026-09-11 09:08:27
203.115.200.0/24 49,627 2026-09-11 09:03:26
203.115.211.0/24 35,168 2026-09-11 08:57:48
203.115.224.0/19 15,874 2026-09-11 08:57:48
146.88.196.0/22 15,616 2026-09-11 08:57:48
43.231.224.0/22 15,528 2026-09-11 08:57:48
45.115.220.0/22 15,463 2026-09-11 08:57:48
202.6.248.0/22 15,461 2026-09-11 08:57:48
103.51.48.0/23 15,173 2026-09-11 08:57:48
203.115.192.0/20 14,950 2026-09-11 08:57:48
203.115.208.0/20 14,921 2026-09-11 08:57:48
103.229.33.0/24 14,199 2026-09-11 09:03:26
103.229.32.0/24 14,145 2026-09-11 09:03:26
103.229.32.0/22 13,799 2026-09-11 08:57:48
103.51.50.0/23 12,256 2026-09-11 08:57:48
103.229.34.0/24 11,537 2026-09-11 09:03:26
203.115.192.0/18 10,664 2026-09-11 09:03:26
202.6.248.0/24 10,656 2026-09-11 09:03:26
203.115.238.0/24 10,366 2026-09-11 09:03:26
203.115.208.0/21 10,315 2026-09-11 09:03:26
203.115.199.0/24 10,263 2026-09-11 09:03:26
203.115.192.0/19 10,208 2026-09-11 09:03:26
203.115.226.0/24 10,162 2026-09-11 09:03:26
203.115.236.0/24 8,634 2026-09-11 09:03:27
103.229.32.0/23 7,372 2026-09-11 09:06:37
203.115.201.0/24 6,775 2026-09-11 09:06:37
203.78.200.0/22 6,754 2026-09-11 09:06:37
203.115.225.0/24 6,747 2026-09-11 09:06:37
203.115.237.0/24 1,614 2026-09-11 09:03:27

Frequently Asked Questions

What is AS10204?

AS10204 is an Autonomous System Number assigned to Arcnet NTT MSC ISP. 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 AS10204 announce?

AS10204 announces 23.6K IPv4 addresses distributed across 13 routed CIDR prefixes. The network is registered in Malaysia.

Who operates AS10204?

AS10204 is operated by Arcnet NTT MSC ISP. The organization is based in Malaysia. You can view all IP ranges and related ASNs on the organization page.

What country is AS10204 registered in?

AS10204 is registered in Malaysia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-11 09:11:16 UTC
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