AS38031
OptiMax Communication Ltd.
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 →
Network profile
Source: PeeringDB →Present at 1 internet exchange: AIX-BD: Main
Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 61.247.176.0/20 | 4.1K |
2.0%
|
OptiMax Communication Ltd. | BD | Dhaka Division | Dhaka |
| 111.221.0.0/21 | 2.0K |
4.4%
|
OptiMax Communication Ltd. | BD | — | — |
| 114.134.88.0/21 | 2.0K |
3.2%
|
OptiMax Communication Ltd. | BD | — | — |
| 203.112.72.0/21 | 2.0K |
4.5%
|
OptiMax Communication Ltd. | BD | — | — |
| 103.245.98.0/23 | 512 |
0.4%
|
OptiMax Communication Ltd. | BD | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS38031 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 |
|---|---|---|
| 61.247.176.0/20 | 97,142 | 2026-07-29 00:23:24 |
| 61.247.176.0/21 | 97,107 | 2026-07-29 00:23:24 |
| 61.247.188.0/23 | 97,066 | 2026-07-29 00:23:24 |
| 61.247.182.0/23 | 97,040 | 2026-07-29 00:23:24 |
| 61.247.176.0/23 | 97,031 | 2026-07-29 00:23:24 |
| 61.247.184.0/23 | 96,879 | 2026-07-29 00:23:24 |
| 111.221.0.0/24 | 93,770 | 2026-07-29 00:23:25 |
| 111.221.0.0/21 | 91,010 | 2026-07-29 00:23:24 |
| 111.221.0.0/22 | 90,894 | 2026-07-29 00:23:24 |
| 114.134.88.0/21 | 90,377 | 2026-07-29 00:23:24 |
| 114.134.90.0/23 | 90,330 | 2026-07-29 00:23:24 |
| 114.134.88.0/23 | 90,280 | 2026-07-29 00:23:24 |
| 203.112.72.0/21 | 89,314 | 2026-07-29 00:25:46 |
| 203.112.72.0/22 | 89,172 | 2026-07-29 00:25:46 |
| 203.112.72.0/23 | 89,129 | 2026-07-29 00:25:46 |
| 61.247.190.0/24 | 86,052 | 2026-07-29 00:23:25 |
| 61.247.187.0/24 | 85,373 | 2026-07-29 00:23:25 |
| 61.247.181.0/24 | 85,178 | 2026-07-29 00:23:25 |
| 61.247.177.0/24 | 85,134 | 2026-07-29 00:23:25 |
| 61.247.176.0/24 | 85,013 | 2026-07-29 00:23:25 |
| 103.245.99.0/24 | 84,614 | 2026-07-29 00:23:24 |
| 61.247.188.0/24 | 84,536 | 2026-07-29 00:22:13 |
| 111.221.6.0/24 | 81,647 | 2026-07-29 00:23:25 |
| 61.247.189.0/24 | 80,645 | 2026-07-29 00:23:25 |
| 111.221.7.0/24 | 79,703 | 2026-07-29 00:22:13 |
| 111.221.4.0/24 | 79,288 | 2026-07-29 00:23:24 |
| 111.221.5.0/24 | 79,057 | 2026-07-29 00:23:24 |
| 111.221.1.0/24 | 78,811 | 2026-07-29 00:23:24 |
| 111.221.2.0/24 | 78,699 | 2026-07-29 00:23:25 |
| 114.134.93.0/24 | 78,630 | 2026-07-29 00:23:25 |
| 111.221.3.0/24 | 78,605 | 2026-07-29 00:23:24 |
| 114.134.95.0/24 | 78,595 | 2026-07-29 00:23:25 |
| 114.134.90.0/24 | 78,277 | 2026-07-29 00:23:25 |
| 114.134.88.0/24 | 78,240 | 2026-07-29 00:23:25 |
| 61.247.182.0/24 | 78,173 | 2026-07-29 00:22:13 |
| 203.112.78.0/24 | 77,469 | 2026-07-29 00:25:46 |
| 203.112.72.0/24 | 77,430 | 2026-07-29 00:25:46 |
| 203.112.75.0/24 | 77,350 | 2026-07-29 00:25:46 |
| 61.247.184.0/24 | 76,193 | 2026-07-29 00:22:13 |
| 61.247.185.0/24 | 76,192 | 2026-07-29 00:22:13 |
| 61.247.186.0/24 | 75,707 | 2026-07-29 00:22:13 |
| 61.247.183.0/24 | 74,578 | 2026-07-29 00:23:25 |
| 61.247.180.0/24 | 73,040 | 2026-07-29 00:22:13 |
| 61.247.191.0/24 | 71,600 | 2026-07-29 00:22:13 |
| 61.247.180.0/23 | 71,480 | 2026-07-29 00:22:13 |
| 61.247.178.0/24 | 71,474 | 2026-07-29 00:22:13 |
| 61.247.179.0/24 | 71,467 | 2026-07-29 00:22:13 |
| 61.247.186.0/23 | 71,453 | 2026-07-29 00:22:13 |
| 114.134.92.0/24 | 67,607 | 2026-07-29 00:22:13 |
| 103.245.98.0/23 | 64,481 | 2026-07-29 00:22:13 |
Showing top 50 of 66 announced prefixes by sample volume.
Frequently Asked Questions
What is AS38031?
AS38031 is an Autonomous System Number assigned to OptiMax Communication 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 AS38031 announce?
AS38031 announces 10.8K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in Bangladesh.
Who operates AS38031?
AS38031 is operated by OptiMax Communication Ltd.. The organization is based in Bangladesh. You can view all IP ranges and related ASNs on the organization page.
What country is AS38031 registered in?
AS38031 is registered in Bangladesh. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
