AS63997
Tsukaeru.net, Web Hosting Company, Japan
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
- Hosting allocation −6
- Trust score 59 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 2 internet exchanges: JPNAP Tokyo: Peering, JPNAP Osaka
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 27.112.104.0/21 | 2.0K |
14.9%
|
Tsukaeru.net, Web Hosting Company, Japan | JP | — | — |
| 111.68.16.0/21 | 2.0K |
2.4%
|
Tsukaeru.net, Web Hosting Company, Japan | JP | — | — |
| 119.82.24.0/21 | 2.0K |
9.3%
|
Tsukaeru.net, Web Hosting Company, Japan | JP | — | — |
| 121.50.40.0/21 | 2.0K |
10.2%
|
Tsukaeru.net, Web Hosting Company, Japan | JP | — | — |
| 175.45.136.0/21 | 2.0K |
8.5%
|
Tsukaeru.net, Web Hosting Company, Japan | JP | — | — |
| 203.83.240.0/21 | 2.0K |
10.8%
|
Tsukaeru.net, Web Hosting Company, Japan | JP | — | — |
| 45.124.136.0/22 | 1.0K |
10.0%
|
Tsukaeru.net, Web Hosting Company, Japan | JP | Nagano | Nagano |
| 195.95.180.0/24 | 256 |
0.0%
|
Tsukaeru.net, Web Hosting Company, Japan | PL | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS63997 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 |
|---|---|---|
| 203.83.240.0/21 | 5,134 | 2026-07-31 07:19:52 |
| 119.82.24.0/21 | 5,083 | 2026-07-31 07:20:06 |
| 121.50.40.0/21 | 5,081 | 2026-07-31 07:20:19 |
| 45.124.136.0/22 | 5,076 | 2026-07-31 07:20:19 |
| 27.112.104.0/21 | 5,036 | 2026-07-31 07:20:06 |
| 175.45.136.0/21 | 4,991 | 2026-07-31 07:20:00 |
| 111.68.16.0/21 | 4,991 | 2026-07-31 07:20:19 |
| 195.95.180.0/24 | 4,855 | 2026-07-31 07:20:09 |
Frequently Asked Questions
What is AS63997?
AS63997 is an Autonomous System Number assigned to Tsukaeru.net, Web Hosting Company, Japan. 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 AS63997 announce?
AS63997 announces 13.6K IPv4 addresses distributed across 8 routed CIDR prefixes. The network is registered in Japan.
Who operates AS63997?
AS63997 is operated by Tsukaeru.net, Web Hosting Company, Japan. The organization is based in Japan. You can view all IP ranges and related ASNs on the organization page.
What country is AS63997 registered in?
AS63997 is registered in Japan. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
