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CIDR Range

121.78.139.40/29

Addresses
8
8
Sub-ranges
0+
within this block
PTR Density
0.0%
0 of 8 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.

75/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Geolocation

All 8 IP addresses in 121.78.139.40/29

Not announced as an exact prefix — covered by the announced supernet 121.78.139.0/24.

Announced prefix
Origin AS
Announcement samples
95,932
Last seen
2026-07-23 20:44:20

Frequently Asked Questions

What is 121.78.139.40/29?

121.78.139.40/29 is a CIDR network block containing 8 IPv4 addresses (from 121.78.139.40 to 121.78.139.47). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 121.78.139.40/29 network?

The 121.78.139.40/29 range is allocated to KINX and announced via AS9957 from South Korea.

How many IP addresses are in 121.78.139.40/29?

121.78.139.40/29 contains exactly 8 usable IPv4 addresses. A /29 prefix length means 8 addresses are covered by this single routing entry.

Last updated: 2026-07-23 22:10:32 UTC
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