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CIDR Range

191.100.128.0/18

16.4K IPs /18 ETAPA EP AS27668 Ecuador LACNIC
Addresses
16,384
16.4K
IP Range
191.100.128.0
→ 191.100.191.255
Sub-ranges
0+
within this block
PTR Density
98.7%
16.2K of 16.4K 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.

77/100
Moderate
How this score is built

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

Geolocation

First and last addresses in 191.100.128.0/18

191.100.128.0/18 runs from 191.100.128.0 to 191.100.191.255.

First 16
191.100.128.0 191.100.128.1 191.100.128.2 191.100.128.3 191.100.128.4 191.100.128.5 191.100.128.6 191.100.128.7 191.100.128.8 191.100.128.9 191.100.128.10 191.100.128.11 191.100.128.12 191.100.128.13 191.100.128.14 191.100.128.15
Last 16
191.100.191.240 191.100.191.241 191.100.191.242 191.100.191.243 191.100.191.244 191.100.191.245 191.100.191.246 191.100.191.247 191.100.191.248 191.100.191.249 191.100.191.250 191.100.191.251 191.100.191.252 191.100.191.253 191.100.191.254 191.100.191.255

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 191.100.0.0/16.

Announced prefix
191.100.0.0/16
Origin AS
AS27668
Announcement samples
76,658
Last seen
2026-11-13 13:08:39

Frequently Asked Questions

What is 191.100.128.0/18?

191.100.128.0/18 is a CIDR network block containing 16,384 IPv4 addresses (from 191.100.128.0 to 191.100.191.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 191.100.128.0/18 network?

The 191.100.128.0/18 range is allocated to ETAPA EP and announced via AS27668 from Ecuador.

Last updated: 2026-11-13 13:09:05 UTC
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