CIDR Range
143.105.0.0/19
Addresses
8,192
8.2K
Sub-ranges
50+
within this block
PTR Density
100.0%
8.2K of 8.2K 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
- Has a reverse-DNS (PTR) record +5
- Enterprise allocation +4
- Recently allocated (1y) −3
- Trust score 71 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Ranges inside 143.105.0.0/19
First 256 of 8,192 IP addresses in 143.105.0.0/19
143.105.0.0
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143.105.0.255
+ 7.9K 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 143.105.0.0/19?
143.105.0.0/19 is a CIDR network block containing 8,192 IPv4 addresses (from 143.105.0.0 to 143.105.31.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 143.105.0.0/19 network?
The 143.105.0.0/19 range is allocated to Space Exploration Technologies Corporation and announced via AS14593 from United States.
Last updated: 2026-07-18 12:25:31 UTC
