128.201.194.164
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
- Multiple-origin (MOAS) routing anomaly −12
- Not on any threat blocklist +5
- Has a reverse-DNS (PTR) record +5
- Established allocation (9y) +3
- Trust score 66 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
DNS records
- Reverse DNS (PTR)
- rev.plyx.com.br
- Forward-confirmed (FCrDNS)
- ✗ Mismatch
- PTR TTL
- 86400 s
- Reverse DNS last checked
- 2026-07-23 15:35 UTC
- Forward DNS last checked
- 2026-07-23 15:35 UTC
Reverse & forward DNS collected by the WorldIP scanner fleet — FCrDNS confirms the PTR hostname resolves back to this IP.
Network Allocation for 128.201.194.164
- CIDR range
- 128.201.194.0/24
- IP range (int)
- 2,160,706,048 — 2,160,706,303
- Prefix length
- /24
- Organization
- Massachusetts Institute of Technology
- ASN
- AS3
- ASN name
- Massachusetts Institute of Technology
- Location
- São Paulo, S O Paulo, Brazil
- Coordinates
- -23.547500, -46.636100
- Accuracy radius
- 20 km
- Postal code
- 01323
- Regional Internet Registry
- ARIN
- Allocated
- 2017-06-23
- Data source(s)
- maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
- Last updated
- 2026-07-21 04:08:30
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 | RIR Transfer | arin | lacnic |
See the full history for 128.201.192.0/19.
Frequently Asked Questions
Who owns 128.201.194.164?
128.201.194.164 is allocated to Massachusetts Institute of Technology (AS3), registered in São Paulo, Brazil.
Where is 128.201.194.164 located?
The geolocation for 128.201.194.164 maps to São Paulo, Brazil 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 128.201.194.164 on?
128.201.194.164 belongs to the 128.201.194.0/24 network block announced by AS3. This range contains 256 addresses.
Does 128.201.194.164 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.
