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 2 internet exchanges: SIX Seattle: MTU 1500, SIX Seattle (Jumbo): MTU 9000
Top CIDR ranges
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS50131 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 |
|---|---|---|
| 37.72.132.0/24 | 63,251 | 2026-07-20 02:44:38 |
| 45.150.224.0/24 | 14,690 | 2026-07-20 02:52:08 |
| 45.150.225.0/24 | 14,646 | 2026-07-20 02:52:08 |
| 194.124.224.0/24 | 14,503 | 2026-07-20 02:52:08 |
| 194.124.225.0/24 | 14,498 | 2026-07-20 02:52:08 |
| 45.154.213.0/24 | 10,048 | 2026-07-20 01:41:55 |
| 44.31.120.0/24 | 9,862 | 2026-07-20 01:42:21 |
| 104.37.29.0/24 | 9,540 | 2026-06-23 13:17:06 |
| 104.218.232.0/24 | 8,116 | 2026-07-20 01:41:55 |
| 45.150.167.0/24 | 7,409 | 2026-07-15 08:46:01 |
| 23.145.48.0/24 | 6,982 | 2026-07-20 01:42:21 |
| 44.24.135.0/24 | 6,966 | 2026-07-20 01:42:21 |
| 44.92.34.0/24 | 6,950 | 2026-07-20 01:42:21 |
| 44.16.10.0/24 | 6,945 | 2026-07-20 01:42:21 |
| 44.31.83.0/24 | 6,936 | 2026-07-20 01:42:21 |
| 72.14.154.0/24 | 6,896 | 2026-07-20 01:42:21 |
| 91.246.39.0/24 | 6,385 | 2026-07-20 01:42:19 |
| 192.177.67.0/24 | 6,234 | 2026-07-20 01:42:21 |
| 212.18.111.0/24 | 5,888 | 2026-06-23 13:17:06 |
| 217.114.47.0/24 | 5,831 | 2026-06-23 13:17:06 |
| 65.75.208.0/24 | 5,669 | 2026-07-20 01:42:20 |
| 202.5.31.0/24 | 5,589 | 2026-06-23 13:17:06 |
| 45.39.108.0/24 | 5,527 | 2026-07-13 06:46:20 |
| 193.218.200.0/24 | 5,427 | 2026-06-23 13:17:06 |
| 45.39.107.0/24 | 5,420 | 2026-07-13 06:46:20 |
| 194.147.98.0/24 | 5,395 | 2026-06-23 13:17:06 |
| 194.147.99.0/24 | 5,382 | 2026-06-23 13:17:06 |
| 194.124.219.0/24 | 5,377 | 2026-06-23 13:17:06 |
| 107.191.112.0/24 | 5,373 | 2026-06-23 13:17:06 |
| 194.124.218.0/24 | 5,372 | 2026-06-23 13:17:06 |
| 194.147.101.0/24 | 5,365 | 2026-06-23 13:17:06 |
| 193.218.201.0/24 | 5,362 | 2026-06-23 13:17:06 |
| 193.221.94.0/24 | 5,345 | 2026-06-23 13:17:06 |
| 94.154.114.0/24 | 5,296 | 2026-06-23 13:17:06 |
| 44.31.60.0/24 | 5,265 | 2026-07-20 01:23:45 |
| 172.83.158.0/24 | 5,246 | 2026-06-23 13:17:06 |
| 172.83.153.0/24 | 5,221 | 2026-06-23 13:17:06 |
| 172.83.154.0/24 | 5,217 | 2026-06-23 13:17:06 |
| 172.83.159.0/24 | 5,210 | 2026-06-23 13:17:06 |
| 104.194.206.0/24 | 5,205 | 2026-06-23 13:17:06 |
| 104.143.94.0/24 | 5,200 | 2026-06-23 13:17:06 |
| 172.83.155.0/24 | 5,194 | 2026-06-23 13:17:06 |
| 146.19.223.0/24 | 5,112 | 2026-06-23 13:17:06 |
| 146.19.114.0/24 | 5,107 | 2026-06-23 13:17:06 |
| 178.22.30.0/24 | 5,100 | 2026-06-23 13:17:06 |
| 45.150.226.0/24 | 5,089 | 2026-06-23 13:17:06 |
| 45.151.132.0/22 | 5,024 | 2026-06-23 13:17:06 |
| 45.154.215.0/24 | 5,019 | 2026-06-23 13:17:06 |
| 45.150.227.0/24 | 5,013 | 2026-06-23 13:17:06 |
| 45.151.134.0/24 | 4,997 | 2026-06-23 13:17:06 |
Showing top 50 of 125 announced prefixes by sample volume.
Frequently Asked Questions
What is AS50131?
AS50131 is an Autonomous System Number assigned to Spartan Host Ltd. 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 AS50131 announce?
AS50131 announces 25.6K IPv4 addresses distributed across 60 routed CIDR prefixes. The network is registered in United States.
Who operates AS50131?
AS50131 is operated by Spartan Host Ltd. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS50131 registered in?
AS50131 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
