已宣布的 IP 地址
4,608
CIDR 前缀
5
ASN
AS21887
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.
58/100
Caution
How this score is built
- Baseline (neutral) 65
- Multiple-origin (MOAS) routing anomaly −12
- Isp allocation +5
- Trust score 58 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
⚠ 11 MOAS 前缀es — 检测到多源 ASNs
所有 MOAS 异常 →此前由 AS21887 公告的稳定前缀现在也由另一个 ASN 公告（MOAS — 多源 AS），这是通过我们的 RIPE RIS 收集器检测到的。这通常是良性的（任播、多宿主或近期转移）—— 但它可能预示着路由泄漏或前缀劫持，因此值得检查。
| 前缀 | 源 ASNs | 最后检测 (UTC) |
|---|---|---|
| 23.106.148.0/22 | AS21887, AS25820 | 2026-07-24 08:08:46 |
| 185.199.241.0/24 | AS21887, AS25820 | 2026-07-24 08:08:46 |
| 74.82.208.0/22 | AS21887, AS25820 | 2026-07-24 08:08:46 |
| 69.171.65.0/24 | AS21887, AS25820 | 2026-07-24 08:08:46 |
| 192.84.9.0/24 | AS21887, AS25820 | 2026-07-24 08:08:46 |
| 74.82.212.0/22 | AS21887, AS25820 | 2026-07-24 08:08:46 |
| 74.82.200.0/22 | AS21887, AS25820 | 2026-07-24 08:08:46 |
| 74.82.220.0/22 | AS21887, AS25820 | 2026-07-24 08:08:46 |
| 142.0.42.0/24 | AS21887, AS25820 | 2026-07-24 08:08:46 |
| 74.82.204.0/22 | AS21887, AS25820 | 2026-07-24 08:08:46 |
| 74.82.216.0/22 | AS21887, AS25820 | 2026-07-24 08:08:46 |
Network profile
Source: PeeringDB →
Network type
Cable/DSL/ISP
Geographic scope
Not Disclosed
Traffic ratio
Balanced
Peering policy
Open
IRR record
AS21887:AS-ALL
热门 CIDR 范围
| CIDR | IP 地址 | PTR Density | 组织 | 国家 | State | City |
|---|---|---|---|---|---|---|
| 74.82.192.0/19 | 8.2K |
0.0%
|
Fiber Logic Inc. | JP | Tokyo | Tokyo |
| 162.213.24.0/21 | 2.0K |
93.1%
|
Fiber Logic Inc. | CA | — | — |
| 23.106.148.0/22 | 1.0K |
80.6%
|
Fiber Logic Inc. | CA | — | — |
| 65.49.236.0/22 | 1.0K |
90.8%
|
Fiber Logic Inc. | CA | — | — |
| 65.49.144.0/24 | 256 |
93.8%
|
Fiber Logic Inc. | CA | — | — |
| 69.171.65.0/24 | 256 |
0.0%
|
Fiber Logic Inc. | JP | Tokyo | Tokyo |
| 185.199.241.0/24 | 256 |
89.5%
|
Fiber Logic Inc. | CA | — | — |
| 192.84.9.0/24 | 256 |
0.0%
|
Fiber Logic Inc. | JP | — | — |
BGP 公告前缀
实时 BGP 异常 →前缀 AS21887 实际源自 BGP，通过我们的 RIPE RIS 收集器观测。此实时路由视图可能与上述注册分配有所不同。
| Prefix | 公告样本 | 最后观测 |
|---|---|---|
| 23.106.148.0/22 | 63,075 | 2026-07-24 07:52:15 |
| 74.82.220.0/22 | 60,502 | 2026-07-24 07:52:13 |
| 74.82.200.0/22 | 59,848 | 2026-07-24 07:52:13 |
| 74.82.208.0/22 | 59,330 | 2026-07-24 07:52:13 |
| 74.82.196.0/22 | 58,915 | 2026-07-24 07:52:13 |
| 74.82.192.0/22 | 58,671 | 2026-07-24 07:52:13 |
| 74.82.204.0/22 | 58,632 | 2026-07-24 07:52:13 |
| 74.82.216.0/22 | 58,063 | 2026-07-24 07:52:13 |
| 74.82.212.0/22 | 57,755 | 2026-07-24 07:52:13 |
| 192.84.9.0/24 | 41,871 | 2026-07-24 07:52:13 |
| 65.49.236.0/22 | 38,880 | 2026-07-24 07:52:15 |
| 185.199.241.0/24 | 38,445 | 2026-07-24 07:52:15 |
| 69.171.65.0/24 | 37,882 | 2026-07-24 07:52:13 |
| 65.49.144.0/24 | 14,397 | 2026-05-31 23:56:57 |
| 162.213.30.0/24 | 11,973 | 2026-07-24 07:21:37 |
| 162.213.26.0/24 | 11,874 | 2026-07-24 07:21:37 |
| 162.213.25.0/24 | 11,872 | 2026-07-24 07:21:37 |
| 162.213.31.0/24 | 11,868 | 2026-07-24 07:21:37 |
| 162.213.27.0/24 | 11,771 | 2026-07-24 07:21:37 |
| 162.213.29.0/24 | 11,765 | 2026-07-24 07:21:37 |
| 162.213.28.0/24 | 11,682 | 2026-07-24 07:21:37 |
| 162.213.24.0/24 | 11,464 | 2026-07-24 07:21:37 |
| 74.82.202.0/24 | 10,640 | 2026-07-01 04:48:09 |
| 74.82.192.0/24 | 4,205 | 2026-06-30 16:58:40 |
| 23.106.148.0/24 | 3,337 | 2026-05-29 06:00:27 |
| 142.0.42.0/24 | 2,502 | 2026-07-24 06:48:51 |
| 142.0.43.0/24 | 2,502 | 2026-07-24 06:48:51 |
| 80.251.208.0/20 | 23 | 2026-06-27 00:57:35 |
| 199.168.136.0/22 | 23 | 2026-06-27 00:57:35 |
| 199.168.140.0/22 | 23 | 2026-06-27 00:57:35 |
| 162.244.243.0/24 | 23 | 2026-06-27 00:57:35 |
| 23.252.104.0/22 | 19 | 2026-07-19 04:45:42 |
| 185.199.240.0/24 | 17 | 2026-06-27 00:57:35 |
| 199.180.112.0/21 | 17 | 2026-06-27 00:57:35 |
| 74.211.96.0/21 | 17 | 2026-06-27 00:57:35 |
| 162.211.220.0/22 | 16 | 2026-06-27 00:57:35 |
| 64.64.244.0/22 | 15 | 2026-06-27 00:57:35 |
| 64.64.228.0/22 | 15 | 2026-06-27 00:57:35 |
| 64.64.232.0/22 | 15 | 2026-06-27 00:57:35 |
| 64.64.224.0/22 | 15 | 2026-06-27 00:57:35 |
| 64.64.236.0/22 | 15 | 2026-06-27 00:57:35 |
| 64.64.240.0/22 | 15 | 2026-06-27 00:57:35 |
| 64.64.248.0/22 | 15 | 2026-06-27 00:57:35 |
| 64.64.252.0/22 | 15 | 2026-06-27 00:57:35 |
| 192.69.92.0/22 | 14 | 2026-06-27 00:57:35 |
| 199.19.104.0/21 | 14 | 2026-06-27 00:57:35 |
| 162.244.240.0/24 | 14 | 2026-06-27 00:57:35 |
| 162.244.242.0/24 | 14 | 2026-06-27 00:57:35 |
| 74.211.104.0/21 | 14 | 2026-06-27 00:57:35 |
| 199.193.124.0/22 | 14 | 2026-06-27 00:57:35 |
显示前 50 of 96 按样本量公告的前缀。
Frequently Asked Questions
什么是 AS21887？
AS21887 是分配给 Fiber Logic Inc. 的自治系统编号 (Autonomous System Number)。ASN 标识一个控制特定 IP 地址集的网络，并通过 BGP（边界网关协议）确定流量如何在互联网上传输。
AS21887 公告了多少个 IP 地址？
AS21887 公告了 4.6K 个 IPv4 地址，分布在 5 个路由 CIDR 前缀中。 该网络在 Japan 注册。
谁运营 AS21887？
AS21887 由 Fiber Logic Inc. 运营。 该组织总部位于 Japan。 您可以在组织页面查看所有 IP 范围和相关 ASNs。
AS21887 在哪个国家注册？
AS21887 在 Japan 注册。这表明网络运营商的总部所在地，尽管其公告的 IP 地址可能服务全球用户。
最后更新：2026-07-24 07:55:33 UTC
