Data as of Nov 13, 2026
180.211.236.0/22
No anonymizer space · no proxy exits in 30 daysTelecom Operator & Internet Service Provider as well · space held by Bangladesh Telegraph & Telephone Board
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 180.211.237.0/24 since Sep 2016 | AS45588 | Residential | Bangladesh Telegraph & Telephone Board via BTCL ADSL customer | |
| 180.211.238.0/24 since Sep 2016 | AS45588 | Residential | Bangladesh Telegraph & Telephone Board via BTCL ADSL customer | |
| 180.211.239.0/24 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@ |
| └ 180.211.236.0/24 | 256 | BTCL-KHULNA-METRO | BTCL ISP customer | ALLOCATED NON-PORTABLE | — | irt@ |
| └ 180. | 768 | BTCL-BRAS-KHULNA | BTCL ADSL customer | ALLOCATED NON-PORTABLE | — | irt@ |
Network & registry
Announced by
Covering announcement 180.211.128.0/17
- Prefix
- 180.211.128.0/17
- Announced by
- AS17494 Telecom Operator & Internet Service Provider as well
- Type
- Residential
- Proxy exits
- 464
- Always-on exits
- 21
- RPKI
- RPKI valid
- Netname
- BTTB-BD
- Registrant
- Bangladesh Telegraph & Telephone Board
- RIR
- APNIC
Origin network
AS17494
BD
- Name
- Telecom Operator & Internet Service Provider as well
- Type
- Internet provider
- Registered
- Dec 7, 2000
- Domain
- btcl.gov.bd
- Website
- www.btcl.gov.bd/en
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 180.211.128.0/17
180.211.128.0/17
Routing history
- Pattern
- Stable
- First seen
- Nov 2009
- Current origin since
- Nov 2009 · 17 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 180.211.128.0/17 | AS17494 | /24 | APNIC | RPKI valid |
| 180.211.128.0/17 | AS45588 | /24 | APNIC | Another network |
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