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 |
|---|---|---|---|---|---|---|
| 103.119.20.0/22 | 1.0K |
0.0%
|
MD Firozur Rahman | BD | Dhaka Division | Tangail |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS137976 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 |
|---|---|---|
| 103.119.20.0/23 | 73,970 | 2026-07-29 22:02:38 |
| 103.119.22.0/23 | 73,832 | 2026-07-29 21:28:06 |
| 103.119.20.0/22 | 73,763 | 2026-07-29 21:36:34 |
Frequently Asked Questions
What is AS137976?
AS137976 is an Autonomous System Number assigned to MD Firozur Rahman. 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 AS137976 announce?
AS137976 announces 1.0K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Bangladesh.
Who operates AS137976?
AS137976 is operated by MD Firozur Rahman. The organization is based in Bangladesh. You can view all IP ranges and related ASNs on the organization page.
What country is AS137976 registered in?
AS137976 is registered in Bangladesh. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
