Data as of Nov 5, 2026
203.112.72.0/22
13 residential-proxy exits · 30 daysOptiMax Communication Ltd.
Residential-proxy exits
Proxy exits
13
1.3% of its addresses · 30 days
Always-on exits
2
15% of its exits
Spread
3 of 4
/24s with at least one exit
Providers
50
selling exits here
Oct 6, 2026 – Nov 4, 2026
Exits seen per day
579 observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 203.112.74.0/24 | 1 | 8 | |
| 203.112.75.0/24 | 1 | 4 | |
| 203.112.73.0/24 | 0 | 1 |
Proxy providers listing exits
- 711Proxy
- 9Proxy
- Ake.net
- AnyIP
- B2Proxy
- BestProxy
- BirdProxies
- BlurPath
- BottingTools
- ByteProxies
- Byteful
- CliProxy
- DataImpulse
- Decodo
- EZProxies
- Evomi
- FlashProxy
- FloppyData
- Geonode
- GloryCloud
- IPFly
- IPPeak
- InfiniteProxies
- KindProxy
- Kookey
- Maskify
- MoMoProxy
- NSocks
- NiuProxy
- NovProxy
- Novada
- Proxio
- Proxy4U
- ProxyGeo
- ProxyRack
- ProxyWing
- PuraRoute
- RainProxy
- RapidProxy
- RoamProxy
- RolaProxy
- Shifter
- Smartproxy
- StrikeProxy
- SwiftProxy
- TalorData
- Thordata
- ThunderProxy
- VibeProxies
- VitalExclusive
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 203.112.72.0/21 since Jun 2006 | AS38031 | Residential | 32 2 always on | OptiMax Communication Ltd |
More specific
Announcements inside
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 203.112.72.0/23 since Sep 2016 | AS38031 | Residential | 1 | OptiMax Communication Ltd | |
| 203.112.72.0/24 since Jun 2006 | AS38031 | Hosting | OptiMax Communication Ltd | ||
| 203.112.73.0/24 since Sep 2019 | AS38031 | Residential | 1 | OptiMax Communication Ltd | |
| 203.112.74.0/23 since Sep 2016 | AS38031 | Residential | 12 2 always on | OptiMax Communication Ltd | |
| 203.112.74.0/24 since May 2019 | AS38031 | Residential | 8 1 always on | OptiMax Communication Ltd | |
| 203.112.75.0/24 since Jun 2006 | AS38031 | Residential | 4 1 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@ |
| └ 203.112.72.0/24 | 256 | Server-Group | Md. Emdadul Hoque Molla | ASSIGNED NON-PORTABLE | — | emdad@ |
| └ 203.112.73.0/24 | 256 | Cable-Modem-Com21 | Md. Emdadul Hoque Molla | ASSIGNED NON-PORTABLE | — | emdad@ |
| └ 203.112.74.0/24 | 256 | Cable-Modem-Com21 | Md. Emdadul Hoque Molla | ASSIGNED NON-PORTABLE | — | emdad@ |
| └ 203.112.75.0/24 | 256 | Cable-Modem-Com21 | Md. Emdadul Hoque Molla | ASSIGNED NON-PORTABLE | — | emdad@ |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
1,024 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 768 | 75% | 3 | |
| Hosting | 256 | 25% | 1 |
Network & registry
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
- Apr 2006
- Current origin since
- Oct 2016 · 10 yr
- Origin networks
- 2
- Last change of origin
- Jun 2010
Recorded history
History
- Handoffs
- 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. 72. 0/ 21 - Netname
- OPTIMAX
- Registrant
- OptiMax Communication Ltd
- Registrant country
- BD
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- May 27, 2020
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- BD
- Delegated
- Mar 21, 2006
- Status
- assigned
Report abuse
Abuse contact
- emdad@
optimaxbd. net - Name
- ABUSE OPTIMAXBD
- Handle
- AO231-AP