CIDR Range

2.109.112.0/20

4.1K IPs /20 TDC Holding A/S AS3292 Denmark RIPE

Addresses

4,096

4.1K

IP Range

2.109.112.0

→ 2.109.127.255

Sub-ranges

within this block

PTR Density

62.5%

2.6K 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

Baseline (neutral) 65
Long-established allocation (16y) +6
Has a reverse-DNS (PTR) record +5
Enterprise allocation +4
Trust score 80 / 100

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

Geolocation

First and last addresses in 2.109.112.0/20

2.109.112.0/20 runs from 2.109.112.0 to 2.109.127.255.

First 16

2.109.112.0 2.109.112.1 2.109.112.2 2.109.112.3 2.109.112.4 2.109.112.5 2.109.112.6 2.109.112.7 2.109.112.8 2.109.112.9 2.109.112.10 2.109.112.11 2.109.112.12 2.109.112.13 2.109.112.14 2.109.112.15

Last 16

2.109.127.240 2.109.127.241 2.109.127.242 2.109.127.243 2.109.127.244 2.109.127.245 2.109.127.246 2.109.127.247 2.109.127.248 2.109.127.249 2.109.127.250 2.109.127.251 2.109.127.252 2.109.127.253 2.109.127.254 2.109.127.255

BGP Routing

Live BGP anomalies →

Not announced as an exact prefix — covered by the announced supernet 2.108.0.0/15.

Announced prefix

2.108.0.0/15

Origin AS

AS3292

Announcement samples

12,845

Last seen

2026-10-28 18:43:08

Frequently Asked Questions

What is 2.109.112.0/20?

2.109.112.0/20 is a CIDR network block containing 4,096 IPv4 addresses (from 2.109.112.0 to 2.109.127.255). CIDR notation combines an IP address with a prefix length to define a range of addresses.

Who owns the 2.109.112.0/20 network?

The 2.109.112.0/20 range is allocated to TDC Holding A/S and announced via AS3292 from Denmark.

Last updated: 2026-10-28 19:09:05 UTC