Data as of Nov 6, 2026
123.49.56.64/26
No anonymizer space · no proxy exits in 30 daysBangladesh Telecommunications Company Limited (BTCL), Nationwide PSTN Operator and Data and Internet Service Provider. · space held by Bangladesh Telegraph & Telephone Board
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 123.49.0.0/18 since Nov 2006 | AS17494 | Residential | 103 10 always on | Bangladesh Telegraph & Telephone Board |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 123.49.0.0/18 | 16,384 | BTTB | Bangladesh Telegraph & Telephone Board (ORG-BTTB1-AP) · BD | ALLOCATED PORTABLE | — | irt@ |
| └ 123.49.48.0/20 | 4,096 | BTCL-DHAKA-ISP-Network | BTCL Dhaka ISP network address | ALLOCATED NON-PORTABLE | — | irt@ |
| └ 123.49.56.64/26 | 64 | XENIAL-BROADBAND | Xenial Broadband, Internet Service Provider, Haque Chamber | ASSIGNED NON-PORTABLE | — | irt@ |
Network & registry
Announced by
Covering announcement 123.49.56.0/24
- Prefix
- 123.49.56.0/24
- Announced by
- AS45607 Bangladesh Telecommunications Company Limited (BTCL), Nationwide PSTN Operator and Data and Internet Service Provider.
- Type
- Internet provider
- RPKI
- RPKI valid
- Netname
- BTCL-DHAKA-ISP-Network
- Registrant
- BTCL Dhaka ISP network address
- RIR
- APNIC
Registry
Holder
- Organization
- Bangladesh Telegraph & Telephone Board
- Handle
- ORG-BTTB1-AP
- Range
- 123.
49. 0. 0/ 18 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- BTCL Dhaka ISP network address
- Reallocated range
- 123.
49. 48. 0/ 20 - Reallocation type
- ALLOCATED NON-PORTABLE
Origin network
AS45607
BD
- Name
- Bangladesh Telecommunications Company Limited (BTCL), Nationwide PSTN Operator and Data and Internet Service Provider.
- Type
- Internet provider
- Registered
- Jan 27, 2009
- Domain
- btcl.net.bd
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
123.49.56.0/24
Routing history
- Pattern
- Stable
- First seen
- Feb 2020
- Current origin since
- Feb 2020 · 6.7 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 123.49.56.0/24 | AS45607 | /24 | APNIC | RPKI valid |
| 123.49.0.0/18 | AS17494 | /24 | APNIC | Another network |
| 123.49.0.0/18 | AS45588 | /24 | APNIC | Another network |
IRR
Route objects on 123.49.56.0/24
Whois
Registration for this announcement
- Range
- 123.
49. 48. 0/ 20 - Netname
- BTCL-DHAKA-ISP-Network
- Registrant
- BTCL Dhaka ISP network address
- Registrant country
- BD
- Organization
- BTCL Dhaka ISP network address
- Org country
- BD
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Jan 18, 2021
- Maintainer
- MAINT-BD-BTCLCLIENTBB
- RIR
- APNIC
- Country
- BD
- Delegated
- Sep 27, 2006
- Status
- assigned
Report abuse
Abuse contact
- irt@
btcl. gov. bd - Name
- ABUSE BTTBBD
- Handle
- AB1235-AP