Addresses
2,048
2.0K
Sub-ranges
16+
within this block
PTR Density
0.0%
0 of 2.0K IPs have PTR
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.
71/100
Moderate
How this score is built
- Baseline (neutral) 65
- Long-established allocation (37y) +6
- Trust score 71 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 16.217.128.0/21
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 16.217.128.0/24 | 256 | FST Networks LTD. | AS402276 | SG |
| 16.217.135.0/24 | 256 | Zyberz LLC | AS400308 | SG |
| 16.217.134.0/24 | 256 | FSTcloud | AS402315 | US |
| 16.217.134.0/24 | 256 | FSTcloud | AS402315 | SG |
| 16.217.133.0/24 | 256 | Japan OPS Better Co., Ltd. | AS63793 | US |
| 16.217.133.0/24 | 256 | Japan OPS Better Co., Ltd. | AS63793 | SG |
| 16.217.132.0/24 | 256 | Locenet LLC | AS33355 | US |
| 16.217.132.0/24 | 256 | Locenet LLC | AS33355 | SG |
| 16.217.131.0/24 | 256 | Lyicore Tech LLC | AS31924 | US |
| 16.217.131.0/24 | 256 | Lyicore Tech LLC | AS31924 | SG |
| 16.217.130.0/24 | 256 | Locenet LLC | AS33355 | US |
| 16.217.130.0/24 | 256 | — | — | US |
| 16.217.129.0/24 | 256 | Bojing Co., Limited | AS207343 | US |
| 16.217.129.0/24 | 256 | Bojing Co., Limited | AS207343 | SG |
| 16.217.128.0/24 | 256 | FST Networks LTD. | AS402276 | US |
| 16.217.135.0/24 | 256 | Zyberz LLC | AS400308 | US |
Geolocation
First 256 of 2,048 IP addresses in 16.217.128.0/21
16.217.128.0
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+ 1.8K more (range too large to list inline)
RIR Ownership History
Atom feed ⇲Allocation changes captured weekly from regional internet registry (RIR) delegation files.
| Date | Event | From | To |
|---|---|---|---|
| 2026-05-10 | New Allocation | — | US |
Frequently Asked Questions
What is 16.217.128.0/21?
16.217.128.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 16.217.128.0 to 16.217.135.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 16.217.128.0/21 network?
The 16.217.128.0/21 range is allocated to an unknown organization from United States.
Last updated: 2026-07-23 03:25:32 UTC
