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CIDR Range

81.188.128.0/19

Addresses
8,192
8.2K
Sub-ranges
3+
within this block
PTR Density
0.0%
0 of 8.2K 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.

63/100
Moderate
How this score is built

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

Ranges inside 81.188.128.0/19

First and last addresses in 81.188.128.0/19

81.188.128.0/19 runs from 81.188.128.0 to 81.188.159.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 81.188.0.0/16.

Announced prefix
Origin AS
⚠ 2 origins (MOAS)
Announcement samples
99,913
Last seen
2026-11-13 15:51:26

Frequently Asked Questions

What is 81.188.128.0/19?

81.188.128.0/19 is a CIDR network block containing 8,192 IPv4 addresses (from 81.188.128.0 to 81.188.159.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 81.188.128.0/19 network?

The 81.188.128.0/19 range is allocated to Web2Objects LLC and announced via AS62874 from United States.

Last updated: 2026-11-13 15:54:05 UTC
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