CIDR Range

203.142.64.0/23

512 IPs /23 BIZNET NETWORKS AS17451 Indonesia APNIC

Addresses

512

IP Range

203.142.64.0

→ 203.142.65.255

Sub-ranges

within this block

PTR Density

11.9%

61 of 512 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.

80/100

Trusted

How this score is built

Baseline (neutral) 65
Long-established allocation (21y) +6
Has a reverse-DNS (PTR) record +5
Enterprise allocation +4
Trust score 80 / 100

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

Geolocation

First and last addresses in 203.142.64.0/23

203.142.64.0/23 runs from 203.142.64.0 to 203.142.65.255.

First 16

203.142.64.0 203.142.64.1 203.142.64.2 203.142.64.3 203.142.64.4 203.142.64.5 203.142.64.6 203.142.64.7 203.142.64.8 203.142.64.9 203.142.64.10 203.142.64.11 203.142.64.12 203.142.64.13 203.142.64.14 203.142.64.15

Last 16

203.142.65.240 203.142.65.241 203.142.65.242 203.142.65.243 203.142.65.244 203.142.65.245 203.142.65.246 203.142.65.247 203.142.65.248 203.142.65.249 203.142.65.250 203.142.65.251 203.142.65.252 203.142.65.253 203.142.65.254 203.142.65.255

Frequently Asked Questions

What is 203.142.64.0/23?

203.142.64.0/23 is a CIDR network block containing 512 IPv4 addresses (from 203.142.64.0 to 203.142.65.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 203.142.64.0/23 network?

The 203.142.64.0/23 range is allocated to BIZNET NETWORKS and announced via AS17451 from Indonesia.

Last updated: 2026-11-13 22:39:05 UTC