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 →Present at 2 internet exchanges: SwissIX: Peering, DE-CIX Frankfurt: DE-CIX Frankfurt Peering LAN
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS50837 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 |
|---|---|---|
| 31.171.252.0/24 | 145,011 | 2026-09-17 23:18:46 |
| 31.171.255.0/24 | 145,010 | 2026-09-17 23:18:46 |
| 31.171.240.0/24 | 83,236 | 2026-09-17 23:18:40 |
| 31.171.244.0/22 | 83,235 | 2026-09-17 23:18:40 |
| 31.171.250.0/24 | 83,161 | 2026-09-17 23:18:40 |
| 31.171.251.0/24 | 83,067 | 2026-09-17 23:18:40 |
| 31.171.241.0/24 | 82,799 | 2026-09-17 23:18:40 |
| 91.92.177.0/24 | 82,480 | 2026-09-17 23:12:26 |
| 91.92.176.0/24 | 75,859 | 2026-09-17 23:11:11 |
| 94.156.200.0/24 | 66,886 | 2026-09-17 22:48:13 |
| 87.120.132.0/24 | 46,139 | 2026-09-17 23:12:26 |
| 94.156.227.0/24 | 46,091 | 2026-09-17 23:12:26 |
| 94.156.66.0/24 | 46,060 | 2026-09-17 23:12:26 |
| 212.87.206.0/24 | 45,777 | 2026-09-17 23:12:26 |
| 185.230.208.0/23 | 41,396 | 2026-09-17 23:12:26 |
| 208.111.56.0/21 | 40,571 | 2026-07-30 13:05:01 |
| 185.230.210.0/23 | 40,238 | 2026-09-17 23:12:26 |
| 178.22.64.0/21 | 36,225 | 2026-09-17 22:48:12 |
| 185.12.5.0/24 | 33,682 | 2026-09-17 22:40:58 |
| 212.147.208.0/24 | 26,555 | 2026-09-17 23:05:14 |
| 212.147.208.0/22 | 26,527 | 2026-09-17 23:05:14 |
| 212.147.209.0/24 | 25,953 | 2026-09-17 23:05:14 |
| 94.156.202.0/23 | 23,364 | 2026-09-17 22:48:13 |
| 94.156.201.0/24 | 23,362 | 2026-09-17 22:48:13 |
| 91.92.71.0/24 | 22,303 | 2026-09-17 22:40:53 |
| 31.171.242.0/24 | 19,657 | 2026-09-17 23:05:50 |
| 208.111.58.0/24 | 15,481 | 2026-07-30 13:24:14 |
| 208.111.56.0/24 | 15,480 | 2026-07-30 13:24:14 |
| 185.230.208.0/22 | 15,284 | 2026-09-17 23:03:02 |
| 91.92.176.0/23 | 15,117 | 2026-09-17 23:03:38 |
| 208.111.57.0/24 | 14,772 | 2026-07-30 13:24:14 |
| 104.36.18.0/24 | 12,151 | 2026-09-17 23:09:10 |
| 31.171.248.0/23 | 12,133 | 2026-09-17 23:09:10 |
| 104.36.19.0/24 | 12,105 | 2026-09-17 23:09:10 |
| 185.12.4.0/24 | 12,092 | 2026-09-17 23:09:10 |
| 109.224.243.0/24 | 12,074 | 2026-09-17 22:11:35 |
| 104.36.16.0/24 | 12,067 | 2026-09-17 23:09:10 |
| 104.36.17.0/24 | 12,065 | 2026-09-17 23:09:10 |
| 162.213.39.0/24 | 12,005 | 2026-09-17 23:09:10 |
| 185.12.6.0/24 | 11,996 | 2026-09-17 23:09:10 |
| 185.113.222.0/24 | 11,984 | 2026-09-17 22:11:35 |
| 162.213.38.0/24 | 11,976 | 2026-09-17 23:09:10 |
| 162.213.36.0/24 | 11,965 | 2026-09-17 23:09:10 |
| 162.213.37.0/24 | 11,923 | 2026-09-17 23:09:10 |
| 31.171.253.0/24 | 11,755 | 2026-09-17 23:09:10 |
| 104.244.32.0/24 | 11,722 | 2026-09-17 23:09:10 |
| 31.171.254.0/24 | 9,227 | 2026-09-17 23:05:50 |
| 185.12.7.0/24 | 7,630 | 2026-07-13 18:26:16 |
| 94.156.203.191/32 | 6 | 2026-07-22 14:30:09 |
| 31.171.242.21/32 | 6 | 2026-06-03 13:55:54 |
Showing top 50 of 51 announced prefixes by sample volume.
Frequently Asked Questions
What is AS50837?
AS50837 is an Autonomous System Number assigned to Cloudsigma Ag. 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 AS50837 announce?
AS50837 announces 16.1K IPv4 addresses distributed across 27 routed CIDR prefixes. The network is registered in Switzerland.
Who operates AS50837?
AS50837 is operated by Cloudsigma Ag. The organization is based in Switzerland. You can view all IP ranges and related ASNs on the organization page.
What country is AS50837 registered in?
AS50837 is registered in Switzerland. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
