AS58912 CTSL-BD Chittagong Telecom Services Ltd

🇧🇩

Org handle: ORG-CTSL1-AP

Chittagong Telecom Services Ltd

APNICallocated

Announced Prefixes (BGP)

12total

8 IPv44 IPv6

IPv4 Addresses

Allocated (RIR)3,072

Announced (BGP)2,048

IPv6 Addresses

Allocated (RIR)7.9×10²⁸

Announced (BGP)1.9×10²⁸

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

RIR

Status

allocated

Allocated

2013-04-29

Announced Prefixes

(BGP)12

Prefix	RPKI	IRR	Last Seen
45.124.12.0/24	Valid	APNIC	2026-10-10
45.124.13.0/24	Valid	APNIC	2026-10-10
45.124.14.0/24	Valid	APNIC	2026-10-10
45.124.15.0/24	Valid	APNIC	2026-10-10
103.25.80.0/24	Valid	APNIC	2026-10-10
103.25.81.0/24	Valid	APNIC	2026-10-10
103.25.82.0/24	Valid	APNIC	2026-10-10
103.25.83.0/24	Valid	APNIC	2026-10-10
2407:9ac0::/36	Valid	APNIC	2026-10-10
2407:9ac0:1000::/36	Valid	APNIC	2026-10-10

1-10 of 12

1 / 2

(RIR)7

Prefix	Country	RIR	Status
45.124.12.0/22	🇧🇩 BD	APNIC	allocated
103.25.80.0/22	🇧🇩 BD	APNIC	allocated
103.25.80.0/24	🇧🇩 BD	APNIC	assigned
103.25.81.0/24	🇧🇩 BD	APNIC	assigned
103.25.82.0/24	🇧🇩 BD	APNIC	assigned
103.25.83.0/24	🇧🇩 BD	APNIC	assigned
2407:9ac0::/32	🇧🇩 BD	APNIC	allocated

(seen in AS paths)

Networks AS58912 hands its own prefixes to: transit providers, or peers at an exchange.

ASPA

No ASPA

External Links

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
ASPA explainedWhy AS58912 should publish an ASPA object
IPv4 transfers in the APNIC regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/58912" | jq