Addresses
131,072
131.1K
Sub-ranges
0+
within this block
PTR Density
0.0%
0 of 131.1K 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.
71/100
Moderate
How this score is built
- Baseline (neutral) 65
- Long-established allocation (20y) +6
- Trust score 71 / 100
Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →
Geolocation
First and last addresses in 123.78.0.0/15
123.78.0.0/15 runs from 123.78.0.0 to 123.79.255.255.
First 16
123.78.0.0
123.78.0.1
123.78.0.2
123.78.0.3
123.78.0.4
123.78.0.5
123.78.0.6
123.78.0.7
123.78.0.8
123.78.0.9
123.78.0.10
123.78.0.11
123.78.0.12
123.78.0.13
123.78.0.14
123.78.0.15
Last 16
Frequently Asked Questions
What is 123.78.0.0/15?
123.78.0.0/15 is a CIDR network block containing 131,072 IPv4 addresses (from 123.78.0.0 to 123.79.255.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.
Who owns the 123.78.0.0/15 network?
The 123.78.0.0/15 range is allocated to an unknown organization from China.
Last updated: 2026-11-09 23:09:05 UTC
