Data as of Nov 12, 2026
203.112.78.0/24
No anonymizer space · no proxy exits in 30 daysOptiMax Communication Ltd.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 203.112.78.0/23 since Sep 2016 | AS38031 | Residential | 4 | OptiMax Communication Ltd | |
| 203.112.76.0/22 since Oct 2016 | AS38031 | Residential | 19 | OptiMax Communication Ltd | |
| 203.112.72.0/21 since Jun 2006 | AS38031 | Residential | 31 2 always on | OptiMax Communication Ltd |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 203.112.72.0/21 | 2,048 | OPTIMAX | OptiMax Communication Ltd (ORG-OCL2-AP) · BD | ALLOCATED PORTABLE | — | emdad@ |
| └ 203.112.78.0/24 | 256 | Cable-Modem-Arris-CMTS | Md. Emdadul Hoque Molla | ASSIGNED NON-PORTABLE | — | emdad@ |
Network & registry
Registry
Holder
- Organization
- OptiMax Communication Ltd
- Handle
- ORG-OCL2-AP
- Range
- 203.
112. 72. 0/ 21 - Registration type
- ALLOCATED PORTABLE
Origin network
AS38031
BD
- Name
- OptiMax Communication Ltd.
- Type
- Internet provider
- Registered
- May 25, 2006
- Domain
- optimaxbd.net
- Website
- www.optimaxbd.net
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2009
- Current origin since
- Sep 2019 · 7.1 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.112.72.0/21 | AS38031 | /24 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS38031 | APNIC | OptiMax Communication Ltd | MAINT-BD-OPTIMAX | Oct 19, 2019 |
Whois
Registration for this announcement
- Range
- 203.
112. 78. 0/ 24 - Netname
- Cable-Modem-Arris-CMTS
- Registrant
- Md. Emdadul Hoque Molla
- Registrant country
- BD
- Organization
- Md. Emdadul Hoque Molla
- Org country
- BD
- Type
- ASSIGNED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Jan 20, 2021
- Maintainer
- MAINT-BD-OPTIMAX
- RIR
- APNIC
- Country
- BD
- Delegated
- Mar 21, 2006
- Status
- assigned
Report abuse
Abuse contact
- emdad@
optimaxbd. net - Name
- ABUSE OPTIMAXBD
- Handle
- AO231-AP