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CIDR Range

129.41.47.128/25

128 IPs /25 IBM AS17390 Germany ARIN
Addresses
128
128
Sub-ranges
0+
within this block
PTR Density
0.0%
0 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.

75/100
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 129.41.47.128/25

129.41.47.128/25 runs from 129.41.47.128 to 129.41.47.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 129.41.47.0/24.

Announced prefix
Origin AS
Announcement samples
93,227
Last seen
2026-11-14 20:17:40

Frequently Asked Questions

What is 129.41.47.128/25?

129.41.47.128/25 is a CIDR network block containing 128 IPv4 addresses (from 129.41.47.128 to 129.41.47.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 129.41.47.128/25 network?

The 129.41.47.128/25 range is allocated to IBM and announced via AS17390 from Germany.

How many IP addresses are in 129.41.47.128/25?

129.41.47.128/25 contains exactly 128 usable IPv4 addresses. A /25 prefix length means 128 addresses are covered by this single routing entry.

Last updated: 2026-11-14 20:24:05 UTC
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