Addresses
4,096
4.1K
Sub-ranges
0+
within this block
PTR Density
0.0%
0 of 4.1K 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.
59/100
Caution
How this score is built
- Baseline (neutral) 65
- Multiple-origin (MOAS) routing anomaly −12
- Long-established allocation (36y) +6
- Trust score 59 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Geolocation
First 256 of 4,096 IP addresses in 143.67.32.0/20
143.67.32.0
143.67.32.1
143.67.32.2
143.67.32.3
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143.67.32.254
143.67.32.255
+ 3.8K more (range too large to list inline)
BGP Routing
Live BGP anomalies →Not announced as an exact prefix — covered by the announced supernet 143.67.0.0/16.
Announced prefix
Announcement samples
15,132
Last seen
2026-07-23 12:39:14
Origins seen: AS13536 · 15,132 AS5738 · 11
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 143.67.32.0/20?
143.67.32.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 143.67.32.0 to 143.67.47.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 143.67.32.0/20 network?
The 143.67.32.0/20 range is allocated to FirstLight Fiber, Inc. and announced via AS13536 from United States.
Last updated: 2026-07-23 12:40:31 UTC
