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 →
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 103.195.140.0/23 | 512 |
0.0%
|
First n Fast IT Ltd | BD | — | — |
| 103.70.171.0/24 | 256 |
0.0%
|
First n Fast IT Ltd | BD | — | — |
| 103.120.46.0/24 | 256 |
0.0%
|
First n Fast IT Ltd | BD | — | — |
| 103.177.168.0/24 | 256 |
0.0%
|
First n Fast IT Ltd | BD | Dhaka Division | Dhaka |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS64037 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 |
|---|---|---|
| 103.120.46.0/24 | 104,770 | 2026-08-04 01:04:58 |
| 103.195.140.0/24 | 98,825 | 2026-08-04 01:01:12 |
| 103.70.171.0/24 | 96,145 | 2026-08-04 01:01:12 |
| 103.195.141.0/24 | 93,242 | 2026-08-04 01:01:12 |
| 103.177.168.0/24 | 89,754 | 2026-08-04 01:04:58 |
Frequently Asked Questions
What is AS64037?
AS64037 is an Autonomous System Number assigned to First n Fast IT 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 AS64037 announce?
AS64037 announces 1.3K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in Bangladesh.
Who operates AS64037?
AS64037 is operated by First n Fast IT Ltd. The organization is based in Bangladesh. You can view all IP ranges and related ASNs on the organization page.
What country is AS64037 registered in?
AS64037 is registered in Bangladesh. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
