Bangladesh Telecommunications Company Limited (BTCL), Nationwide PSTN Operator and Data and Internet Service Provider.
AS45588 is Bangladesh Telecommunications Company Limited (BTCL), Nationwide PSTN Operator and Data and Internet Service Provider. (btcl.com.bd). It announces 42,752 IPv4 addresses in 112 prefixes, and 6 IPv6 prefixes.
Bangladesh· APNIC· allocated 2008-12-29· isp
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Bangladesh42,752 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- BTCL-ISP-AS
- name
- Bangladesh Telegraph & Telephone Board
- org
- ORG-BTTB1-AP
- org name
- Bangladesh Telegraph & Telephone Board
- org address
- Telejogajog Bhaban, 37/E, Eskaton Garden
- org country
- BD
- country
- BD
- source
- apnic
- updated
- 2021-01-18
- descr
- Bangladesh Telecommunications Company Limited (BTCL), Nationwide PSTN Operator and Data and Internet Service Provider.
- maintainer
- APNIC-HM
- maintainer email
- helpdesk@apnic.net
- abuse
- AB1235-AP
- abuse name
- ABUSE BTTBBD
- abuse email
- irt@btcl.gov.bd
- abuse kind
- role
- admin
- HA128-AP
- tech
- RM324-AP|SR42-AP|MR209-AP
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- VPN IP190alliedtelesis, best_proxy_switcher0.44%
- Residential Proxy IP1,708smartproxy, proxyrack, 711proxy4.00%
- None here
- floppydata, dataimpulse, vibeproxies0.04%
- None here
- None here
- Hosting IP12,54429.34%
- None here
- None here
- None here
- SSH IP6581.54%
- SMTP IP100.02%
- 0.15%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2407:5000:1::/48 | Bangladesh | valid | 20 | 2026-10-02 |
| 2407:5000:2::/48 | Bangladesh | valid | 20 | 2026-10-02 |
| 2407:5000:3::/48 | Bangladesh | valid | 20 | 2026-10-02 |
| 2407:5000:800::/40 | Bangladesh | valid | 20 | 2026-10-02 |
| 2407:5000:7000::/40 | Bangladesh | valid | 20 | 2026-10-02 |
| 2407:5000:7100::/40 | Bangladesh | valid | 20 | 2026-10-02 |
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