13.238.37.228
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
- Has a reverse-DNS (PTR) record +5
- Trust score 75 / 100
Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
Reverse DNS history
How this IP's reverse DNS (PTR) has changed over time, from our scans.
Reverse-DNS changes between Jun 16, 2026 and Sep 26, 2026 were not recorded; the current PTR is shown from its earliest retained observation.
- no PTR — since at least Sep 26, 2026 → present
- ec2-13-238-37-228.ap-southeast-2.compute.amazonaws.com stable — Jun 16, 2026 → Sep 26, 2026
Network Allocation for 13.238.37.228
- CIDR range
- 13.238.32.0/20
- IP range (int)
- 233,709,568 — 233,713,663
- Prefix length
- /20
- Organization
- Amazon.com, Inc.
- ASN
- AS16509
- ASN name
- Amazon.com, Inc.
- Location
- Sydney, New South Wales, Australia
- Coordinates
- -33.867200, 151.199700
- Accuracy radius
- 200 km
- Postal code
- 2000
- Regional Internet Registry
- ARIN
- Allocated
- 2019-10-01
- Data source(s)
- maxmind_city, maxmind_country, ipinfo_lite, maxmind_asn
- Last updated
- 2026-09-22 04:04:18
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 | — | US |
See the full history for 13.232.0.0/13.
Frequently Asked Questions
Who owns 13.238.37.228?
13.238.37.228 is allocated to Amazon.com, Inc. (AS16509), registered in Sydney, Australia.
Where is 13.238.37.228 located?
The geolocation for 13.238.37.228 maps to Sydney, Australia 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 13.238.37.228 on?
13.238.37.228 belongs to the 13.238.32.0/20 network block announced by AS16509. This range contains 4,096 addresses.
Does 13.238.37.228 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.
