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
- Trust score 65 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 2 internet exchanges: BBIX Tokyo, JPIX TOKYO
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 157.205.0.0/16 | 65.5K |
67.1%
|
Otsuka Corp. | JP | Tokyo | Tokyo |
| 182.93.96.0/19 | 8.2K |
95.8%
|
Otsuka Corp. | JP | Saitama | Sōka Shi |
| 27.0.32.0/20 | 4.1K |
95.5%
|
Otsuka Corp. | JP | — | — |
| 150.91.224.0/20 | 4.1K |
51.4%
|
Otsuka Corp. | JP | Tokyo | Chiyoda City |
| 103.7.20.0/22 | 1.0K |
0.0%
|
Otsuka Corp. | JP | — | — |
| 202.47.136.0/22 | 1.0K |
10.7%
|
Otsuka Corp. | JP | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS17514 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 |
|---|---|---|
| 27.0.32.0/20 | 17,893 | 2026-11-14 19:45:10 |
| 202.47.136.0/22 | 17,260 | 2026-11-14 19:45:10 |
| 103.7.20.0/22 | 17,214 | 2026-11-14 19:45:10 |
| 150.91.224.0/20 | 16,964 | 2026-11-14 19:45:10 |
| 182.93.96.0/19 | 16,916 | 2026-11-14 19:45:10 |
| 157.205.0.0/16 | 16,903 | 2026-11-14 19:45:10 |
| 27.0.40.0/23 | 14,608 | 2026-11-14 16:27:21 |
| 27.0.42.0/23 | 14,607 | 2026-11-14 16:27:21 |
| 27.0.32.0/23 | 14,603 | 2026-11-14 16:27:21 |
| 27.0.44.0/23 | 14,601 | 2026-11-14 16:27:21 |
| 27.0.34.0/23 | 14,598 | 2026-11-14 16:27:21 |
| 27.0.46.0/23 | 14,577 | 2026-11-14 16:27:21 |
| 27.0.36.0/23 | 14,574 | 2026-11-14 16:27:21 |
| 27.0.38.0/23 | 14,562 | 2026-11-14 16:27:21 |
| 182.93.114.0/23 | 14,227 | 2026-11-14 16:24:13 |
| 157.205.38.0/23 | 14,215 | 2026-11-14 16:24:13 |
| 157.205.172.0/23 | 14,188 | 2026-11-14 16:24:13 |
| 157.205.4.0/23 | 14,182 | 2026-11-14 16:24:13 |
| 157.205.36.0/23 | 13,963 | 2026-11-14 16:24:13 |
| 182.93.112.0/23 | 13,947 | 2026-11-14 16:24:13 |
| 157.205.170.0/23 | 13,921 | 2026-11-14 16:24:13 |
| 157.205.208.0/23 | 13,918 | 2026-11-14 16:24:13 |
| 157.205.196.0/23 | 13,896 | 2026-11-14 16:24:13 |
| 157.205.60.0/23 | 13,888 | 2026-11-14 16:24:13 |
| 157.205.40.0/23 | 13,887 | 2026-11-14 16:24:13 |
| 157.205.210.0/23 | 13,887 | 2026-11-14 16:24:13 |
| 157.205.42.0/23 | 13,885 | 2026-11-14 16:24:13 |
| 157.205.28.0/23 | 13,872 | 2026-11-14 16:24:13 |
| 182.93.118.0/23 | 13,866 | 2026-11-14 16:24:13 |
| 157.205.198.0/23 | 13,865 | 2026-11-14 16:24:13 |
| 157.205.176.0/23 | 13,864 | 2026-11-14 16:24:13 |
| 157.205.30.0/23 | 13,862 | 2026-11-14 16:24:13 |
| 157.205.74.0/23 | 13,862 | 2026-11-14 16:24:13 |
| 157.205.32.0/23 | 13,846 | 2026-11-14 16:24:13 |
| 157.205.62.0/23 | 13,846 | 2026-11-14 16:24:13 |
| 182.93.116.0/23 | 13,842 | 2026-11-14 16:24:13 |
| 157.205.26.0/23 | 13,842 | 2026-11-14 16:24:20 |
| 157.205.20.0/23 | 13,842 | 2026-11-14 16:24:20 |
| 157.205.6.0/23 | 13,837 | 2026-11-14 16:24:13 |
| 157.205.220.0/23 | 13,837 | 2026-11-14 16:24:20 |
| 157.205.34.0/23 | 13,825 | 2026-11-14 16:24:13 |
| 157.205.192.0/23 | 13,825 | 2026-11-14 16:24:20 |
| 157.205.194.0/23 | 13,824 | 2026-11-14 16:24:20 |
| 157.205.22.0/23 | 13,824 | 2026-11-14 16:24:13 |
| 157.205.12.0/23 | 13,819 | 2026-11-14 16:24:20 |
| 157.205.212.0/23 | 13,819 | 2026-11-14 16:24:20 |
| 157.205.174.0/23 | 13,818 | 2026-11-14 16:24:13 |
| 157.205.18.0/23 | 13,817 | 2026-11-14 16:24:20 |
| 157.205.24.0/23 | 13,816 | 2026-11-14 16:24:20 |
| 157.205.126.0/23 | 13,815 | 2026-11-14 16:24:20 |
Showing top 50 of 67 announced prefixes by sample volume.
Frequently Asked Questions
What is AS17514?
AS17514 is an Autonomous System Number assigned to Otsuka Corp.. 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 AS17514 announce?
AS17514 announces 84.0K IPv4 addresses distributed across 6 routed CIDR prefixes. The network is registered in Japan.
Who operates AS17514?
AS17514 is operated by Otsuka Corp.. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.
What country is AS17514 registered in?
AS17514 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
