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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Web3 footprint
AS40021 hosts 170 observed decentralized-network nodes across 3 networks. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS40021 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 |
|---|---|---|
| 5.252.54.0/23 | 19,014 | 2026-08-27 02:24:54 |
| 5.180.151.0/24 | 18,985 | 2026-08-27 02:24:54 |
| 5.252.52.0/23 | 18,914 | 2026-08-27 02:24:54 |
| 92.118.58.0/23 | 17,781 | 2026-08-27 02:24:54 |
| 66.94.119.0/24 | 17,774 | 2026-08-27 02:24:54 |
| 45.137.192.0/24 | 17,770 | 2026-08-27 02:24:54 |
| 89.117.144.0/21 | 17,760 | 2026-08-27 02:24:54 |
| 62.146.176.0/21 | 17,751 | 2026-08-27 02:24:54 |
| 85.239.240.0/21 | 17,745 | 2026-08-27 02:24:54 |
| 92.118.56.0/23 | 17,731 | 2026-08-27 02:24:54 |
| 147.93.128.0/20 | 17,719 | 2026-08-27 02:24:54 |
| 144.126.152.0/21 | 17,675 | 2026-08-27 02:24:54 |
| 144.126.128.0/20 | 17,673 | 2026-08-27 02:24:54 |
| 217.77.0.0/21 | 17,654 | 2026-08-27 02:27:33 |
| 157.173.192.0/20 | 17,646 | 2026-08-27 02:27:33 |
| 66.94.104.0/21 | 17,639 | 2026-08-27 02:23:39 |
| 94.72.112.0/21 | 17,636 | 2026-08-27 02:24:54 |
| 66.94.116.0/23 | 17,633 | 2026-08-27 02:23:39 |
| 185.187.235.0/24 | 17,630 | 2026-08-27 02:27:33 |
| 194.238.24.0/21 | 17,616 | 2026-08-27 02:27:33 |
| 86.48.24.0/22 | 17,614 | 2026-08-27 02:23:39 |
| 66.94.96.0/21 | 17,607 | 2026-08-27 02:23:39 |
| 195.26.240.0/21 | 17,604 | 2026-08-27 02:27:33 |
| 195.26.248.0/21 | 17,600 | 2026-08-27 02:27:33 |
| 194.113.67.0/24 | 17,589 | 2026-08-27 02:27:33 |
| 212.56.40.0/21 | 17,580 | 2026-08-27 02:27:33 |
| 217.77.8.0/21 | 17,579 | 2026-08-27 02:27:33 |
| 154.53.48.0/21 | 17,577 | 2026-08-27 02:23:39 |
| 154.38.160.0/21 | 17,570 | 2026-08-27 02:24:54 |
| 86.48.28.0/22 | 17,567 | 2026-08-27 02:23:39 |
| 212.56.36.0/22 | 17,565 | 2026-08-27 02:27:33 |
| 154.38.168.0/21 | 17,563 | 2026-08-27 02:24:54 |
| 212.28.176.0/21 | 17,561 | 2026-08-27 02:27:33 |
| 154.53.40.0/21 | 17,561 | 2026-08-27 02:24:54 |
| 212.28.184.0/21 | 17,560 | 2026-08-27 02:27:33 |
| 154.12.224.0/21 | 17,544 | 2026-08-27 02:24:54 |
| 154.12.252.0/22 | 17,525 | 2026-08-27 02:24:54 |
| 209.145.48.0/20 | 17,495 | 2026-08-27 02:27:33 |
| 209.126.80.0/21 | 17,492 | 2026-08-27 02:27:33 |
| 85.239.230.0/23 | 17,486 | 2026-08-27 02:23:39 |
| 86.48.16.0/22 | 17,485 | 2026-08-27 02:23:39 |
| 86.48.20.0/22 | 17,480 | 2026-08-27 02:23:39 |
| 207.244.224.0/20 | 17,479 | 2026-08-27 02:27:33 |
| 85.239.248.0/23 | 17,468 | 2026-08-27 02:23:39 |
| 176.57.165.0/24 | 17,464 | 2026-08-27 02:23:39 |
| 209.126.0.0/20 | 17,454 | 2026-08-27 02:27:33 |
| 207.244.240.0/20 | 17,452 | 2026-08-27 02:27:33 |
| 154.12.248.0/22 | 17,451 | 2026-08-27 02:23:39 |
| 85.239.250.0/24 | 17,450 | 2026-08-27 02:23:39 |
| 38.105.209.0/24 | 17,426 | 2026-08-27 02:23:39 |
Showing top 50 of 92 announced prefixes by sample volume.
Frequently Asked Questions
What is AS40021?
AS40021 is an Autonomous System Number assigned to Contabo Inc.. 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 AS40021 announce?
AS40021 announces 145.4K IPv4 addresses distributed across 61 routed CIDR prefixes. The network is registered in United States.
Who operates AS40021?
AS40021 is operated by Contabo Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS40021 registered in?
AS40021 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
