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CIDR Range

121.78.139.64/26

64 IPs /26 KINX AS9957 South Korea APNIC
Addresses
64
64
IP Range
121.78.139.64
→ 121.78.139.127
Sub-ranges
0+
within this block
PTR Density
0.0%
0 of 64 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 64 IP addresses in 121.78.139.64/26

121.78.139.64 121.78.139.65 121.78.139.66 121.78.139.67 121.78.139.68 121.78.139.69 121.78.139.70 121.78.139.71 121.78.139.72 121.78.139.73 121.78.139.74 121.78.139.75 121.78.139.76 121.78.139.77 121.78.139.78 121.78.139.79 121.78.139.80 121.78.139.81 121.78.139.82 121.78.139.83 121.78.139.84 121.78.139.85 121.78.139.86 121.78.139.87 121.78.139.88 121.78.139.89 121.78.139.90 121.78.139.91 121.78.139.92 121.78.139.93 121.78.139.94 121.78.139.95 121.78.139.96 121.78.139.97 121.78.139.98 121.78.139.99 121.78.139.100 121.78.139.101 121.78.139.102 121.78.139.103 121.78.139.104 121.78.139.105 121.78.139.106 121.78.139.107 121.78.139.108 121.78.139.109 121.78.139.110 121.78.139.111 121.78.139.112 121.78.139.113 121.78.139.114 121.78.139.115 121.78.139.116 121.78.139.117 121.78.139.118 121.78.139.119 121.78.139.120 121.78.139.121 121.78.139.122 121.78.139.123 121.78.139.124 121.78.139.125 121.78.139.126 121.78.139.127

BGP Routing

Live BGP anomalies →

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

Announced prefix
121.78.139.0/24
Origin AS
AS9957
Announcement samples
95,934
Last seen
2026-07-24 00:05:27

Frequently Asked Questions

What is 121.78.139.64/26?

121.78.139.64/26 is a CIDR network block containing 64 IPv4 addresses (from 121.78.139.64 to 121.78.139.127). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 121.78.139.64/26 network?

The 121.78.139.64/26 range is allocated to KINX and announced via AS9957 from South Korea.

How many IP addresses are in 121.78.139.64/26?

121.78.139.64/26 contains exactly 64 usable IPv4 addresses. A /26 prefix length means 64 addresses are covered by this single routing entry.

Last updated: 2026-07-24 00:25:31 UTC
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