Data as of Nov 8, 2026
180.211.252.0/22
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 |
|---|---|---|---|---|---|
| 180.211.128.0/17 since Nov 2009 | AS17494 | Residential | 465 19 always on | Bangladesh Telegraph & Telephone Board |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 180.211.254.0/24 since Sep 2016 | AS45588 | Residential | Bangladesh Telegraph & Telephone Board via BTCL ADSL customer | |
| 180.211.255.0/24 since Sep 2016 | AS45588 | Residential | Bangladesh Telegraph & Telephone Board via BTCL ADSL customer |
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 |
|---|---|---|---|---|---|---|
| 180.211.128.0/17 | 32,768 | BTTB-BD | Bangladesh Telegraph & Telephone Board (ORG-BTTB1-AP) · BD | ALLOCATED PORTABLE | — | irt@ |
| └ 180.211.252.0/23 | 512 | BTCL-BRAS-BOGRA | BTCL GEPON/ADSL customer | ALLOCATED NON-PORTABLE | — | irt@ |
| └ 180.211.254.0/23 | 512 | BTCL-BRAS-KHULNA | BTCL ADSL customer | ALLOCATED NON-PORTABLE | — | irt@ |
Network & registry
Announced by
Covering announcement 180.211.248.0/21
- Prefix
- 180.211.248.0/21
- Announced by
- AS45588 Bangladesh Telecommunications Company Limited (BTCL), Nationwide PSTN Operator and Data and Internet Service Provider.
- Type
- Residential
- Proxy exits
- 8
- Always-on exits
- 1
- RPKI
- RPKI valid
- Netname
- BTTB-BD
- Registrant
- Bangladesh Telegraph & Telephone Board
- RIR
- APNIC
Origin network
AS45588
BD
- Name
- Bangladesh Telecommunications Company Limited (BTCL), Nationwide PSTN Operator and Data and Internet Service Provider.
- Type
- Internet provider
- Registered
- Dec 29, 2008
- Domain
- btcl.com.bd
- Website
- www.btcl.com.bd
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
180.211.248.0/21
Routing history
- Pattern
- Stable
- First seen
- Oct 2013
- Current origin since
- Oct 2013 · 13 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 180.211.128.0/17 | AS17494 | /24 | APNIC | Another network |
| 180.211.128.0/17 | AS45588 | /24 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 180.
211. 128. 0/ 17 - Netname
- BTTB-BD
- Registrant
- Bangladesh Telegraph & Telephone Board
- Registrant country
- BD
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Jan 18, 2021
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- BD
- Delegated
- Oct 1, 2009
- Status
- assigned
Report abuse
Abuse contact
- irt@
btcl. gov. bd - Name
- ABUSE BTTBBD
- Handle
- AB1235-AP