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
- Academic allocation +6
- Long-established allocation (33y) +6
- Not on any threat blocklist +5
- Trust score 82 / 100
Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
Domains hosted
as of 2026-10-04 UTC0
issued.live saw no domain resolving to this IP in its latest weekly snapshot.
Domain data provided by issued.live — for full details visit https://issued.live/pricing
Network Allocation for 165.132.138.52
- CIDR range
- 165.132.128.0/20
- IP range (int)
- 2,776,924,160 — 2,776,928,255
- Prefix length
- /20
- Organization
- Yonsei University
- ASN
- AS4665
- ASN name
- Yonsei University
- Location
- South Korea
- Coordinates
- 37.750000, 128.250000
- Accuracy radius
- 20 km
- Postal code
- 243
- Regional Internet Registry
- APNIC
- Allocated
- 1993-06-07
- Data source(s)
- maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
- Last updated
- 2026-10-07 08:47:59
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 from regional internet registry (RIR) delegation files, re-imported every six hours, for ranges that have contained this IP.
| Date | Event | From | To |
|---|---|---|---|
| 2026-05-10 | New Allocation | — | KR |
See the full history for 165.132.0.0/15.
Frequently Asked Questions
Who owns 165.132.138.52?
165.132.138.52 is allocated to Yonsei University (AS4665), registered in South Korea.
Where is 165.132.138.52 located?
The geolocation for 165.132.138.52 maps to South Korea 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 165.132.138.52 on?
165.132.138.52 belongs to the 165.132.128.0/20 network block announced by AS4665. This range contains 4,096 addresses.
Does 165.132.138.52 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.
