AS5403
APA-IT Informations Technologie G.m.b.H
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.
- Baseline (neutral) 65
- Trust score 65 / 100
Experimental · trust-vectors model v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 1 internet exchange: VIX
AS5403 — global IP footprint
Cities where AS5403 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS5403 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 192.164.182.0/24 | 252,598 | 2026-07-18 14:44:02 |
| 194.232.104.0/24 | 252,588 | 2026-07-18 14:44:02 |
| 194.232.72.0/24 | 250,044 | 2026-07-18 14:44:02 |
| 192.164.183.0/24 | 250,020 | 2026-07-18 14:44:02 |
| 192.164.184.0/24 | 214,177 | 2026-07-18 14:44:02 |
| 192.164.185.0/24 | 192,465 | 2026-07-18 14:44:02 |
| 192.164.178.0/24 | 178,503 | 2026-07-18 14:44:02 |
| 192.164.179.0/24 | 176,221 | 2026-07-18 14:44:02 |
| 192.164.180.0/24 | 174,528 | 2026-07-18 14:44:02 |
| 192.164.207.0/24 | 171,549 | 2026-07-18 14:44:02 |
| 192.164.176.0/24 | 166,733 | 2026-07-18 14:44:02 |
| 194.232.66.0/24 | 163,938 | 2026-07-18 14:44:02 |
| 192.164.203.0/24 | 160,518 | 2026-07-18 14:44:02 |
| 192.164.204.0/24 | 156,080 | 2026-07-18 14:44:02 |
| 192.164.205.0/24 | 151,451 | 2026-07-18 14:44:02 |
| 192.164.206.0/24 | 145,928 | 2026-07-18 14:44:02 |
| 192.164.200.0/24 | 130,663 | 2026-07-18 14:44:02 |
| 192.164.201.0/24 | 124,711 | 2026-07-18 14:44:02 |
| 192.164.202.0/24 | 118,325 | 2026-07-18 14:44:02 |
| 192.164.194.0/24 | 115,588 | 2026-07-18 14:44:02 |
| 192.164.195.0/24 | 108,242 | 2026-07-18 14:44:02 |
| 192.164.196.0/24 | 101,284 | 2026-07-18 14:44:02 |
| 192.164.197.0/24 | 94,772 | 2026-07-18 14:44:02 |
| 192.164.190.0/24 | 85,143 | 2026-07-18 14:44:02 |
| 192.164.191.0/24 | 78,039 | 2026-07-18 14:44:02 |
| 192.164.192.0/24 | 71,531 | 2026-07-18 14:43:03 |
| 192.164.193.0/24 | 65,917 | 2026-07-18 14:43:03 |
| 192.164.186.0/24 | 59,553 | 2026-07-18 14:43:03 |
| 192.164.187.0/24 | 55,598 | 2026-07-18 14:43:03 |
| 192.164.188.0/24 | 51,373 | 2026-07-18 14:43:03 |
| 192.164.189.0/24 | 47,425 | 2026-07-18 14:39:21 |
| 194.232.69.0/24 | 7,093 | 2026-07-18 14:34:28 |
| 194.232.200.0/24 | 6,872 | 2026-07-18 14:34:28 |
| 194.158.132.0/24 | 5,907 | 2026-07-18 14:34:28 |
| 194.232.142.0/23 | 5,556 | 2026-07-18 14:34:28 |
| 194.232.112.0/24 | 5,379 | 2026-07-18 14:34:28 |
| 194.232.194.0/24 | 4,147 | 2026-07-18 14:34:31 |
| 185.85.28.0/22 | 3,738 | 2026-07-18 14:34:31 |
| 192.152.54.0/24 | 3,732 | 2026-07-18 14:34:31 |
| 192.111.104.0/24 | 3,729 | 2026-07-18 14:34:31 |
| 192.164.176.0/20 | 3,725 | 2026-07-18 14:34:31 |
| 192.164.192.0/20 | 3,715 | 2026-07-18 14:34:31 |
| 194.232.0.0/16 | 3,696 | 2026-07-18 14:34:28 |
| 194.107.68.0/23 | 3,684 | 2026-07-18 14:34:28 |
| 194.107.60.0/22 | 3,674 | 2026-07-18 14:34:28 |
| 192.5.162.0/24 | 3,672 | 2026-07-18 14:34:28 |
| 193.186.188.0/22 | 3,670 | 2026-07-18 14:34:28 |
| 194.107.64.0/22 | 3,668 | 2026-07-18 14:34:28 |
| 194.232.48.0/24 | 3,665 | 2026-07-18 14:34:31 |
| 194.158.128.0/19 | 3,651 | 2026-07-18 14:34:28 |
Showing top 50 of 76 announced prefixes by sample volume.
Frequently Asked Questions
What is AS5403?
AS5403 is an Autonomous System Number assigned to APA-IT Informations Technologie G.m.b.H. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).
How many IP addresses does AS5403 announce?
AS5403 announces 87.6K IPv4 addresses distributed across 13 routed CIDR prefixes. The network is registered in Austria.
Who operates AS5403?
AS5403 is operated by APA-IT Informations Technologie G.m.b.H. The organization is based in Austria. You can view all IP ranges and related ASNs on the organization page.
What country is AS5403 registered in?
AS5403 is registered in Austria. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
