Japan
热门组织
| 组织 | IP 地址 | 范围 |
|---|---|---|
| SoftBank Corp. | 40.38M | 275 |
| NTT DOCOMO BUSINESS, Inc. | 28.65M | 160 |
| KDDI CORPORATION | 18.07M | 226 |
| Research Organization of Information and Systems, National Institute of Informatics | 8.77M | 477 |
| Amazon.com, Inc. | 7.90M | 141 |
| ARTERIA Networks Corporation | 6.85M | 193 |
| JCOM Co., Ltd. | 6.73M | 171 |
| Internet Initiative Japan Inc. | 4.08M | 213 |
| Sony Network Communications Inc. | 3.87M | 74 |
| BIGLOBE Inc. | 3.67M | 30 |
| Microsoft Corporation | 3.25M | 30 |
| OPTAGE Inc. | 3.00M | 59 |
| NTT DOCOMO, INC. | 2.54M | 342 |
| NTT PC Communications, Inc. | 2.08M | 138 |
| FreeBit Co.,Ltd. | 1.94M | 305 |
| Fujitsu Limited. | 1.63M | 346 |
| NTT-ME Corporation | 1.51M | 29 |
| Chubu Telecommunications Company, Inc. | 1.51M | 45 |
| TOKAI Communications Corporation | 1.50M | 113 |
| Asahi Net | 1.28M | 60 |
| IDC Frontier Inc. | 1.04M | 147 |
| SAKURA Internet Inc. | 1.01M | 168 |
| QTnet,Inc. | 760.8K | 35 |
| Eli Lilly and Company | 655.4K | 6 |
| STNet, Incorporated | 594.9K | 51 |
热门 ASNs
| ASN | 名称 | IP 地址 |
|---|---|---|
| AS17676 | SoftBank Corp. | 38.44M |
| AS4713 | NTT DOCOMO BUSINESS,Inc. | 28.62M |
| AS2516 | KDDI CORPORATION | 18.07M |
| AS2907 | Research Organization of Information and Systems, National Institute of Informatics | 8.77M |
| AS16509 | Amazon.com, Inc. | 7.90M |
| AS17506 | ARTERIA Networks Corporation | 5.38M |
| AS9824 | JCOM Co., Ltd. | 4.75M |
| AS2497 | Internet Initiative Japan Inc. | 4.08M |
| AS2527 | Sony Network Communications Inc. | 3.87M |
| AS2518 | BIGLOBE Inc. | 3.67M |
| AS8075 | Microsoft Corporation | 3.23M |
| AS17511 | OPTAGE Inc. | 2.99M |
| AS9605 | NTT DOCOMO, INC. | 2.54M |
| AS2514 | NTT PC Communications, Inc. | 2.08M |
| AS10013 | FreeBit Co.,Ltd. | 1.94M |
| AS4725 | SoftBank Corp. | 1.92M |
| AS9595 | NTT-ME Corporation | 1.51M |
| AS18126 | Chubu Telecommunications Company, Inc. | 1.51M |
| AS10010 | TOKAI Communications Corporation | 1.50M |
| AS2510 | FUJITSU LIMITED | 1.49M |
| AS2519 | ARTERIA Networks Corporation | 1.46M |
| AS4685 | Asahi Net | 1.28M |
| AS9617 | JCOM Co., Ltd. | 1.16M |
| AS4694 | IDC Frontier Inc. | 1.04M |
| AS7679 | QTnet,Inc. | 760.8K |
地区 / 州 / 省
网络构成
Japan 的 IPv4 分配空间如何按运营商类型、区域注册机构和块大小进行细分。
| 类别 | IPv4 | 份额 |
|---|---|---|
| ISP / Telecom | 72.37M |
49.4%
|
| Enterprise | 56.91M |
38.8%
|
| Academic / Research | 12.50M |
8.5%
|
| Mobile | 4.71M |
3.2%
|
| Hosting / Cloud | 104.4K |
0.1%
|
| Government | 15.1K |
0.0%
|
| CDN | 13.1K |
0.0%
|
| 注册机构 | IPv4 | 份额 |
|---|---|---|
| APNIC | 189.32M |
94.8%
|
| ARIN | 9.11M |
4.6%
|
| RIPE NCC | 1.15M |
0.6%
|
| AFRINIC | 68.1K |
0.0%
|
| LACNIC | 13.3K |
0.0%
|
路由与安全
来自我们全球收集器的 Japan 实时 BGP 路由足迹,以及 RPKI 路由源验证覆盖率。
RPKI 有效百分比 = 具有匹配路由源授权的公告前缀。 实时路由 →
Web3 footprint
Japan hosts 1,170 observed decentralized-network nodes across 10 networks. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.
反向 DNS、威胁情报与互联网健康
Japan 的地址空间有多少解析为主机名,有多少出现在公共威胁阻止列表中,人口在线普及率如何,以及审查和中断的独立信号。
反向 DNS + 威胁阻止列表足迹来源: 我们自己的扫描和 8 个威胁情报源. Internet adoption from the World Bank; censorship measurements from OONI; outage detection from IODA / Georgia Tech; connection speed from Cloudflare Radar.
Frequently Asked Questions
Japan 分配了多少个 IPv4 地址?
Japan 拥有 199,694,452 个 IPv4 地址,分布在 12,393 个网络范围中。这些分配由区域互联网注册机构管理,并分配给在该国运营的组织。
Japan 最大的互联网提供商有哪些?
按 IP 分配计算,Japan 的顶级组织包括上述主要 ISP、托管提供商和企业。这 50 个组织共同管理着该国大部分的 IPv4 地址空间。
有多少个 ASN 在 Japan 运营?
Japan 拥有 50 个或更多注册自治系统。每个 ASN 代表一个独立路由的网络,例如 ISP、云提供商或企业网络。
Japan 位于哪个洲?
Japan 位于 Asia。该地区的 IP 地址分配由 APNIC 管理。