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
- Isp allocation +5
- Trust score 70 / 100
Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 1 internet exchange: Equinix Dallas
AS398203 — global IP footprint
Cities where AS398203 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 AS398203 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 |
|---|---|---|
| 146.86.128.0/18 | 4,053 | 2026-07-26 21:28:48 |
| 169.150.144.0/20 | 4,037 | 2026-07-26 21:44:35 |
| 170.117.176.0/20 | 4,014 | 2026-07-26 21:29:48 |
| 142.202.164.0/22 | 3,999 | 2026-07-26 21:28:48 |
Frequently Asked Questions
What is AS398203?
AS398203 is an Autonomous System Number assigned to MidSouth Fiber. 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 AS398203 announce?
AS398203 announces 25.6K IPv4 addresses distributed across 212 routed CIDR prefixes. The network is registered in United States.
Who operates AS398203?
AS398203 is operated by MidSouth Fiber. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS398203 registered in?
AS398203 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
