AS139913
First Security Islami Bank Limited
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 |
|---|---|---|---|---|---|---|
| 103.147.28.0/24 | 256 |
90.6%
|
First Security Islami Bank Limited | BD | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS139913 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 |
|---|---|---|
| 103.147.28.0/24 | 312,611 | 2026-07-30 14:15:38 |
Frequently Asked Questions
What is AS139913?
AS139913 is an Autonomous System Number assigned to First Security Islami Bank Limited. 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 AS139913 announce?
AS139913 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Bangladesh.
Who operates AS139913?
AS139913 is operated by First Security Islami Bank Limited. The organization is based in Bangladesh. You can view all IP ranges and related ASNs on the organization page.
What country is AS139913 registered in?
AS139913 is registered in Bangladesh. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
