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CIDR Range

66.9.55.0/25

128 IPs /25 Hopkinsville Electric System AS13781 United States ARIN
Addresses
128
128
IP Range
66.9.55.0
→ 66.9.55.127
Sub-ranges
0+
within this block
PTR Density
99.2%
127 of 128 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.

70/100
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 128 IP addresses in 66.9.55.0/25

66.9.55.0 66.9.55.1 66.9.55.2 66.9.55.3 66.9.55.4 66.9.55.5 66.9.55.6 66.9.55.7 66.9.55.8 66.9.55.9 66.9.55.10 66.9.55.11 66.9.55.12 66.9.55.13 66.9.55.14 66.9.55.15 66.9.55.16 66.9.55.17 66.9.55.18 66.9.55.19 66.9.55.20 66.9.55.21 66.9.55.22 66.9.55.23 66.9.55.24 66.9.55.25 66.9.55.26 66.9.55.27 66.9.55.28 66.9.55.29 66.9.55.30 66.9.55.31 66.9.55.32 66.9.55.33 66.9.55.34 66.9.55.35 66.9.55.36 66.9.55.37 66.9.55.38 66.9.55.39 66.9.55.40 66.9.55.41 66.9.55.42 66.9.55.43 66.9.55.44 66.9.55.45 66.9.55.46 66.9.55.47 66.9.55.48 66.9.55.49 66.9.55.50 66.9.55.51 66.9.55.52 66.9.55.53 66.9.55.54 66.9.55.55 66.9.55.56 66.9.55.57 66.9.55.58 66.9.55.59 66.9.55.60 66.9.55.61 66.9.55.62 66.9.55.63 66.9.55.64 66.9.55.65 66.9.55.66 66.9.55.67 66.9.55.68 66.9.55.69 66.9.55.70 66.9.55.71 66.9.55.72 66.9.55.73 66.9.55.74 66.9.55.75 66.9.55.76 66.9.55.77 66.9.55.78 66.9.55.79 66.9.55.80 66.9.55.81 66.9.55.82 66.9.55.83 66.9.55.84 66.9.55.85 66.9.55.86 66.9.55.87 66.9.55.88 66.9.55.89 66.9.55.90 66.9.55.91 66.9.55.92 66.9.55.93 66.9.55.94 66.9.55.95 66.9.55.96 66.9.55.97 66.9.55.98 66.9.55.99 66.9.55.100 66.9.55.101 66.9.55.102 66.9.55.103 66.9.55.104 66.9.55.105 66.9.55.106 66.9.55.107 66.9.55.108 66.9.55.109 66.9.55.110 66.9.55.111 66.9.55.112 66.9.55.113 66.9.55.114 66.9.55.115 66.9.55.116 66.9.55.117 66.9.55.118 66.9.55.119 66.9.55.120 66.9.55.121 66.9.55.122 66.9.55.123 66.9.55.124 66.9.55.125 66.9.55.126 66.9.55.127

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 66.9.48.0/20.

Announced prefix
66.9.48.0/20
Origin AS
AS13781
Announcement samples
11,408
Last seen
2026-07-30 07:47:01

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 66.9.55.0/25?

66.9.55.0/25 is a CIDR network block containing 128 IPv4 addresses (from 66.9.55.0 to 66.9.55.127). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 66.9.55.0/25 network?

The 66.9.55.0/25 range is allocated to Hopkinsville Electric System and announced via AS13781 from United States.

How many IP addresses are in 66.9.55.0/25?

66.9.55.0/25 contains exactly 128 usable IPv4 addresses. A /25 prefix length means 128 addresses are covered by this single routing entry.

Last updated: 2026-07-30 07:55:32 UTC
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