Skip to main content
WorldIP.io
CIDR Range

147.102.128.0/20

Addresses
4,096
4.1K
Sub-ranges
0+
within this block
PTR Density
81.3%
3.3K of 4.1K 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.

82/100
Trusted
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 147.102.128.0/20

147.102.128.0/20 runs from 147.102.128.0 to 147.102.143.255.

First 16
Last 16

Not announced as an exact prefix — covered by the announced supernet 147.102.0.0/16.

Announced prefix
Origin AS
Announcement samples
21,611
Last seen
2026-11-03 04:00:36

RIR Ownership History

Atom feed ⇲

Allocation changes captured from regional internet registry (RIR) delegation files, re-imported every six hours.

Date Event From To
2026-05-10 RIR Transfer arin ripe

Frequently Asked Questions

What is 147.102.128.0/20?

147.102.128.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 147.102.128.0 to 147.102.143.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 147.102.128.0/20 network?

The 147.102.128.0/20 range is allocated to National Technical University of Athens and announced via AS3323 from Greece.

Last updated: 2026-11-03 06:24:09 UTC
Share