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CIDR Range

83.78.112.0/20

4.1K IPs /20 Bluewin AS3303 Switzerland RIPE
Addresses
4,096
4.1K
IP Range
83.78.112.0
→ 83.78.127.255
Sub-ranges
0+
within this block
PTR Density
100.0%
4.1K 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.

80/100
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 83.78.112.0/20

83.78.112.0/20 runs from 83.78.112.0 to 83.78.127.255.

First 16
83.78.112.0 83.78.112.1 83.78.112.2 83.78.112.3 83.78.112.4 83.78.112.5 83.78.112.6 83.78.112.7 83.78.112.8 83.78.112.9 83.78.112.10 83.78.112.11 83.78.112.12 83.78.112.13 83.78.112.14 83.78.112.15
Last 16
83.78.127.240 83.78.127.241 83.78.127.242 83.78.127.243 83.78.127.244 83.78.127.245 83.78.127.246 83.78.127.247 83.78.127.248 83.78.127.249 83.78.127.250 83.78.127.251 83.78.127.252 83.78.127.253 83.78.127.254 83.78.127.255

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 83.76.0.0/14.

Announced prefix
83.76.0.0/14
Origin AS
AS3303
Announcement samples
12,003
Last seen
2026-11-14 07:20:11

Frequently Asked Questions

What is 83.78.112.0/20?

83.78.112.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 83.78.112.0 to 83.78.127.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 83.78.112.0/20 network?

The 83.78.112.0/20 range is allocated to Bluewin and announced via AS3303 from Switzerland.

Last updated: 2026-11-14 07:54:05 UTC
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