133.2.63.255
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
- Long-established allocation (29y) +6
- Not on any threat blocklist +5
- Trust score 76 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Network Allocation for 133.2.63.255
- CIDR range
- 133.2.32.0/19
- IP range (int)
- 2,231,508,992 — 2,231,517,183
- Prefix length
- /19
- Organization
- Aoyama Gakuin University
- ASN
- AS17523
- ASN name
- Aoyama Gakuin University
- Location
- Setagaya City, Tokyo, Japan
- Coordinates
- 35.641300, 139.666200
- Accuracy radius
- 20 km
- Postal code
- 154-0011
- Regional Internet Registry
- APNIC
- Allocated
- 1997-03-01
- Data source(s)
- maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
- Last updated
- 2026-07-11 09:23:15
BGP Routing
Live BGP anomalies →Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.
Frequently Asked Questions
Who owns 133.2.63.255?
133.2.63.255 is allocated to Aoyama Gakuin University (AS17523), registered in Setagaya City, Japan.
Where is 133.2.63.255 located?
The geolocation for 133.2.63.255 maps to Setagaya City, 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 133.2.63.255 on?
133.2.63.255 belongs to the 133.2.32.0/19 network block announced by AS17523. This range contains 8,192 addresses.
Does 133.2.63.255 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.
