Addresses
2,048
2.0K
Sub-ranges
13+
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.
67/100
Moderate
How this score is built
- Baseline (neutral) 65
- Isp allocation +5
- Recently allocated (2y) −3
- Trust score 67 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 143.223.152.0/21
| CIDR | IPs | Organization | ASN | Country |
|---|---|---|---|---|
| 143.223.156.0/22 | 1.0K | HyperFiber | AS31942 | US |
| 143.223.152.0/22 | 1.0K | HyperFiber | AS31942 | US |
| 143.223.152.0/22 | 1.0K | HyperFiber | AS31942 | US |
| 143.223.152.0/23 | 512 | HyperFiber | AS31942 | US |
| 143.223.155.0/24 | 256 | HyperFiber | AS31942 | US |
| 143.223.152.0/24 | 256 | HyperFiber | AS31942 | US |
| 143.223.153.0/24 | 256 | HyperFiber | AS31942 | US |
| 143.223.154.128/25 | 128 | HyperFiber | AS31942 | US |
| 143.223.154.64/26 | 64 | HyperFiber | AS31942 | US |
| 143.223.154.32/27 | 32 | HyperFiber | AS31942 | US |
| 143.223.154.16/28 | 16 | HyperFiber | AS31942 | US |
| 143.223.154.0/29 | 8 | HyperFiber | AS31942 | US |
| 143.223.154.8/29 | 8 | HyperFiber | AS31942 | US |
First 256 of 2,048 IP addresses in 143.223.152.0/21
143.223.152.0
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+ 1.8K more (range too large to list inline)
Frequently Asked Questions
What is 143.223.152.0/21?
143.223.152.0/21 is a CIDR network block containing 2,048 IPv4 addresses (from 143.223.152.0 to 143.223.159.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 143.223.152.0/21 network?
The 143.223.152.0/21 range is allocated to HyperFiber and announced via AS31942 from United States.
Last updated: 2026-07-24 02:55:31 UTC
