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
- Mobile allocation +2
- Trust score 67 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
About Open Computer Network
OCN (オーシーエヌ), or Open Computer Network(オープン・コンピュータ・ネットワーク:Ōpun Konpyūta nettowāku), is the largest Japanese Internet service provider, with over 7 million subscribers. It is owned by NTT Communications Corp, one of the largest telecommunication companies in the world.
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 192.47.170.0/23 | 512 |
88.3%
|
NTT DOCOMO BUSINESS, Inc. | JP | — | — |
| 192.47.172.0/23 | 512 |
94.3%
|
NTT DOCOMO BUSINESS, Inc. | JP | — | — |
| 192.47.160.0/24 | 256 |
91.8%
|
NTT DOCOMO BUSINESS, Inc. | JP | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS7674 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 |
|---|---|---|
| 192.47.160.0/24 | 4,139 | 2026-07-27 12:13:12 |
| 192.47.170.0/23 | 3,788 | 2026-07-27 12:13:12 |
| 192.47.172.0/23 | 3,788 | 2026-07-27 12:13:12 |
Frequently Asked Questions
What is AS7674?
AS7674 is an Autonomous System Number assigned to NTT DOCOMO BUSINESS, 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 AS7674 announce?
AS7674 announces 1.3K IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in Japan.
Who operates AS7674?
AS7674 is operated by NTT DOCOMO BUSINESS, Inc.. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.
What country is AS7674 registered in?
AS7674 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
