AS18615
Mainstream Fiber Networks, LLC
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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →
Network profile
Source: PeeringDB →Present at 3 internet exchanges: FD-IX - Indianapolis, DE-CIX Dallas: DE-CIX Dallas Peering LAN, DE-CIX Chicago
AS18615 — global IP footprint
Cities where AS18615 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 AS18615 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 |
|---|---|---|
| 147.160.8.0/21 | 6,172 | 2026-07-23 17:54:06 |
| 74.116.20.0/22 | 6,169 | 2026-07-23 17:54:06 |
| 149.20.248.0/21 | 6,169 | 2026-07-23 17:54:06 |
| 206.126.242.0/23 | 6,152 | 2026-07-23 17:54:06 |
| 38.2.0.0/19 | 6,064 | 2026-07-23 17:54:06 |
| 23.252.0.0/20 | 5,109 | 2026-07-23 18:55:35 |
| 38.194.0.0/18 | 5,087 | 2026-07-23 18:56:45 |
| 163.182.176.0/20 | 5,064 | 2026-07-23 18:55:35 |
Frequently Asked Questions
What is AS18615?
AS18615 is an Autonomous System Number assigned to Mainstream Fiber Networks, LLC. 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 AS18615 announce?
AS18615 announces 38.4K IPv4 addresses distributed across 100 routed CIDR prefixes. The network is registered in United States.
Who operates AS18615?
AS18615 is operated by Mainstream Fiber Networks, LLC. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS18615 registered in?
AS18615 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
