AS138385

Summary

Country	Bangladesh
Organization	Chittagong Data Communication
Domain	cdc-bd.com
Number of IPv4	1,536
Number of IPv6	7.9544× 1028
AS Type	ISP
Registry	APNIC
Allocated	January 01, 1970 (about 56 years ago)
Updated	January 29, 2025 (about 11 months ago)

IP Ranges

AS138385 announces 6 IPv4 ranges and 8 IPv6 ranges.

That's a total of 1,536 IPv4 addresses and 7.9544× 10²⁸ IPv6 addresses.

Prefix	Organization	Size	Registry	Status
103.124.52.0/24	Chittagong Data Communication	256	APNIC	ASSIGNED NON-PORTABLE
103.124.53.0/24	Chittagong Data Communication	256	APNIC	ALLOCATED NON-PORTABLE
103.124.54.0/24	Chittagong Data Communication	256	APNIC	ASSIGNED NON-PORTABLE
103.124.55.0/24	Chittagong Data Communication	256	APNIC	ASSIGNED NON-PORTABLE
103.134.37.0/24	Chittagong Data Communication	256	APNIC	ASSIGNED NON-PORTABLE
103.137.158.0/24	CDC-Primary	256	APNIC	ALLOCATED NON-PORTABLE

Prefix	Organization	Size	Registry	Status
2403:da40::/33	Chittagong Data Communication	3.9614× 1028	APNIC	ALLOCATED NON-PORTABLE
2403:da40:b::/48	Chittagong Data Communication	1.2089× 1024	APNIC	ALLOCATED NON-PORTABLE
2403:da40:100::/40	Chittagong Data Communication	3.0949× 1026	APNIC	ALLOCATED PORTABLE
2403:da40:100::/48	Chittagong Data Communication	1.2089× 1024	APNIC	ALLOCATED PORTABLE
2403:da40:101::/48	Chittagong Data Communication	1.2089× 1024	APNIC	ALLOCATED PORTABLE
2403:da40:102::/48	Chittagong Data Communication	1.2089× 1024	APNIC	ALLOCATED PORTABLE
2403:da40:103::/48	Chittagong Data Communication	1.2089× 1024	APNIC	ALLOCATED PORTABLE
2403:da40:8000::/33	Chittagong Data Communication	3.9614× 1028	APNIC	ALLOCATED PORTABLE

Peers

AS138385 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

AS138385 connects to the global Internet via at least 3 upstream providers. In this setup, AS138385 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

Downstreams

AS138385 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS138385's role in extending Internet access beyond its own infrastructure.