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
- Not on any threat blocklist +5
- Enterprise allocation +4
- Recently allocated (1y) −3
- Trust score 71 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Network Allocation for 189.81.100.128
- CIDR range
- 189.81.100.0/23
- IP range (int)
- 3,176,227,840 — 3,176,228,351
- Prefix length
- /23
- Organization
- UAB code200
- ASN
- AS203061
- ASN name
- UAB code200
- Location
- Tokyo, Tokyo, Japan
- Coordinates
- 35.616400, 139.742500
- Accuracy radius
- 20 km
- Postal code
- 140-0001
- Regional Internet Registry
- LACNIC
- Allocated
- 2025-02-20
- Data source(s)
- maxmind_asn, maxmind_city, maxmind_country, ipinfo_lite
- Last updated
- 2026-06-09 06:07:50
BGP Routing
Live BGP anomalies →Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.
RIR Ownership History
Atom feed ⇲Allocation changes captured weekly from regional internet registry (RIR) delegation files for ranges that have contained this IP.
| Date | Event | From | To |
|---|---|---|---|
| 2026-05-10 | New Allocation | — | LT |
See the full history for 189.81.0.0/17.
Frequently Asked Questions
Who owns 189.81.100.128?
189.81.100.128 is allocated to UAB code200 (AS203061), registered in Tokyo, Japan.
Where is 189.81.100.128 located?
The geolocation for 189.81.100.128 maps to Tokyo, Japan based on MaxMind GeoLite2 data. Accuracy depends on the provider and may represent the ISP's regional hub rather than the exact endpoint.
What network is 189.81.100.128 on?
189.81.100.128 belongs to the 189.81.100.0/23 network block announced by AS203061. This range contains 512 addresses.
Does 189.81.100.128 have a reverse DNS record?
Reverse DNS (PTR) records are resolved live when you visit this page. If a PTR record exists, it appears in the Reverse DNS field above. PTR records map IP addresses back to hostnames and are commonly used for email authentication and network diagnostics.
Neighbors
Other addresses in the same /24.
