AS17494
Bangladesh Telegraph & Telephone Board — btcl.com.bd
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Summary
| Country |
 Bangladesh
|
| Organization | Bangladesh Telegraph & Telephone Board |
| Domain | btcl.com.bd |
| Number of IPv4 | 81,152 |
| Number of IPv6 | 7.9229× 1028 |
| AS Type | Government |
| Registry | APNIC |
| Allocated | January 01, 1970 (about 56 years ago) |
| Updated | January 18, 2021 (about 4 years ago) |
IP Ranges
AS17494 announces 33 IPv4 ranges and 2 IPv6 ranges.
That's a total of 81,152 IPv4 addresses and 7.9229× 1028 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 103.110.215.0/24 |
National Internet Exchange of Bangladesh
|
256 | APNIC | ALLOCATED NON-PORTABLE |
| 114.130.128.0/18 |
Bangladesh Telegraph & Telephone Board
|
16,384 | APNIC | ALLOCATED PORTABLE |
| 114.130.224.0/24 |
Bangladesh Telegraph & Telephone Board
|
256 | APNIC | ALLOCATED PORTABLE |
| 114.130.225.0/24 |
Bangladesh Telegraph & Telephone Board
|
256 | APNIC | ALLOCATED PORTABLE |
| 114.130.226.0/24 |
Bangladesh Telegraph & Telephone Board
|
256 | APNIC | ALLOCATED PORTABLE |
| 114.130.227.0/24 |
Bangladesh Telegraph & Telephone Board
|
256 | APNIC | ALLOCATED PORTABLE |
| 123.49.0.0/18 |
Btcl Dhaka Metro Customer
|
16,384 | APNIC | ALLOCATED NON-PORTABLE |
| 123.49.0.0/24 |
Btcl Dhaka Metro Customer
|
256 | APNIC | ALLOCATED NON-PORTABLE |
| 123.49.2.0/24 |
Btcl Dhaka Metro Customer
|
256 | APNIC | ALLOCATED NON-PORTABLE |
| 123.49.11.0/24 |
Bangladesh Telegraph & Telephone Board
|
256 | APNIC | ALLOCATED PORTABLE |
| 123.49.12.0/24 |
Btcl Ip Equipment Loopback Address
|
256 | APNIC | ALLOCATED NON-PORTABLE |
| 123.49.15.0/24 |
Bangladesh Telegraph & Telephone Board
|
256 | APNIC | ALLOCATED PORTABLE |
| 123.49.36.0/24 |
Btcl Dhaka Government Office Network Address
|
256 | APNIC | ALLOCATED NON-PORTABLE |
| 123.49.38.0/24 |
Btcl Dhaka Government Office Network Address
|
256 | APNIC | ALLOCATED NON-PORTABLE |
| 123.49.41.0/24 |
Broadband Telecommunication Services Ltd.
|
256 | APNIC | ASSIGNED NON-PORTABLE |
| 123.49.45.0/24 |
Noorpore IT Limited
|
256 | APNIC | ASSIGNED NON-PORTABLE |
| 123.49.47.0/24 |
Grameen Communications, Internet Service Provider
|
256 | APNIC | ASSIGNED NON-PORTABLE |
| 123.49.48.0/24 |
Continental Communications. Bengal Ship House. 73, Agrabad C/a,
|
256 | APNIC | ASSIGNED NON-PORTABLE |
| 123.49.50.0/24 |
ISP Interfaces With Btcl
|
256 | APNIC | ASSIGNED NON-PORTABLE |
| 123.49.51.0/24 |
ISP Interfaces With Btcl
|
256 | APNIC | ASSIGNED NON-PORTABLE |
| 123.49.52.0/24 |
Non ISP Internet Customrs' Interfaces With Btcl
|
256 | APNIC | ASSIGNED NON-PORTABLE |
| 123.49.53.0/24 |
Btcl Interface With Its Fixed Intelligent Network
|
256 | APNIC | ASSIGNED NON-PORTABLE |
| 123.49.54.0/24 |
Ichinet Ltd., Internet Service Provider, 10, Hss Road,
|
256 | APNIC | ASSIGNED NON-PORTABLE |
| 123.49.57.0/24 |
Peoples Telecommunication And Information Systems LTD
|
256 | APNIC | ASSIGNED NON-PORTABLE |
| 123.49.60.0/24 |
Interface for The Btcl Internet Customers Connected Through Ddn
|
256 | APNIC | ASSIGNED NON-PORTABLE |
| 180.211.128.0/17 |
Btcl Info-bahan-porject
|
32,768 | APNIC | ALLOCATED NON-PORTABLE |
| 180.211.201.0/24 |
Btcl Caching Address
|
256 | APNIC | ALLOCATED NON-PORTABLE |
| 180.211.202.0/24 |
Btcl Msan Project
|
256 | APNIC | ALLOCATED NON-PORTABLE |
| 203.112.192.0/19 |
Bangladesh Telegraph & Telephone Board
|
8,192 | APNIC | ALLOCATED PORTABLE |
| 203.112.194.0/24 |
Bangladesh Telegraph & Telephone Board
|
256 | APNIC | ALLOCATED PORTABLE |
| 203.112.208.0/24 |
Bangladesh Telegraph & Telephone Board
|
256 | APNIC | ALLOCATED PORTABLE |
| 203.112.217.0/24 |
Bangladesh Telegraph & Telephone Board
|
256 | APNIC | ALLOCATED PORTABLE |
| 209.58.24.0/24 |
BTTB
|
256 | ARIN | REASSIGNMENT |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2407:5000::/32 |
Bangladesh Telegraph & Telephone Board
|
7.9228× 1028 | APNIC | ALLOCATED PORTABLE |
| 2407:5000:b::/48 |
Bangladesh Telegraph & Telephone Board
|
1.2089× 1024 | APNIC | ALLOCATED PORTABLE |
Peers
AS17494 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.
Upstreams
AS17494 connects to the global Internet via at least 7 upstream providers. In this setup, AS17494 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS17494 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS17494's role in extending Internet access beyond its own infrastructure.