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.
- Baseline (neutral) 65
- Isp allocation +5
- Trust score 70 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 13 internet exchanges: JPIX TOKYO, JPNAP Tokyo: Peering, BBIX Osaka, JPIX OSAKA, JPNAP Osaka, JPNAP Fukuoka, BBIX Tokyo, BBIX Singapore, BBIX Hong Kong, BBIX US-West, …
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS10000 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 111.91.240.0/20 | 2,518,455 | 2026-09-11 04:52:40 |
| 203.217.156.0/22 | 2,493,478 | 2026-09-11 04:26:43 |
| 126.52.0.0/20 | 25,067 | 2026-09-11 04:26:43 |
| 203.129.96.0/20 | 24,289 | 2026-09-11 04:26:43 |
| 202.169.80.0/20 | 24,270 | 2026-09-11 04:26:43 |
| 203.170.32.0/20 | 24,163 | 2026-09-11 04:26:43 |
| 219.100.0.0/22 | 24,152 | 2026-09-11 04:26:43 |
| 219.109.64.0/20 | 24,143 | 2026-09-11 04:26:43 |
| 202.169.64.0/20 | 24,139 | 2026-09-11 04:26:43 |
| 203.215.56.0/22 | 24,033 | 2026-09-11 04:26:43 |
| 14.1.8.0/21 | 23,979 | 2026-09-11 04:26:42 |
| 218.216.0.0/20 | 23,972 | 2026-09-11 04:26:43 |
| 202.228.240.0/20 | 23,972 | 2026-09-11 04:26:43 |
| 114.134.96.0/20 | 23,935 | 2026-09-11 04:26:42 |
| 180.214.224.0/21 | 23,920 | 2026-09-11 04:26:42 |
| 114.134.128.0/19 | 23,842 | 2026-09-11 04:26:43 |
| 61.206.208.0/20 | 23,642 | 2026-09-11 04:26:43 |
| 163.131.32.0/19 | 23,628 | 2026-09-11 04:26:43 |
| 103.29.48.0/22 | 23,477 | 2026-09-11 04:26:43 |
| 61.114.96.0/20 | 23,218 | 2026-09-11 04:26:43 |
Frequently Asked Questions
What is AS10000?
AS10000 is an Autonomous System Number assigned to Nagasaki Cable Media Inc.. 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 AS10000 announce?
AS10000 announces 73.7K IPv4 addresses distributed across 19 routed CIDR prefixes. The network is registered in Japan.
Who operates AS10000?
AS10000 is operated by Nagasaki Cable Media Inc.. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.
What country is AS10000 registered in?
AS10000 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
