AS45588 BTCL-ISP-AS Bangladesh Telecommunications Company Limited BTCL, Nationwide PSTN Operator and Data and Internet Service Provider.
🇧🇩Org handle: ORG-BTTB1-AP
Bangladesh Telecommunications Company Limited (BTCL), Nationwide PSTN Operator and Data and Internet Service Provider.
APNICallocated
Announced Prefixes (BGP)
119total
113 IPv46 IPv6
IPv4 Addresses
Allocated (RIR)3,584
Announced (BGP)53,760
IPv6 Addresses
Allocated (RIR)1.2×10²⁴
Announced (BGP)9.3×10²⁶
Announced Prefixes
(BGP)119|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | APNIC | 2026-10-11 | |
| Valid | APNIC | 2026-10-11 | |
| Valid | APNIC | 2026-10-11 | |
| Valid | APNIC | 2026-10-11 | |
| Valid | APNIC | 2026-10-11 | |
| Valid | APNIC | 2026-10-11 | |
| Valid | APNIC | 2026-10-11 | |
| Valid | APNIC | 2026-10-11 | |
| Valid | APNIC | 2026-10-11 | |
| Valid | APNIC | 2026-10-11 |
1-10 of 119
1 / 12
Allocated Prefixes
(RIR)8Prefix | Country | RIR | Status |
|---|---|---|---|
| 180.211.192.0/21 | 🇧🇩 BD | APNIC | assigned |
| 180.211.205.0/24 | 🇧🇩 BD | APNIC | assigned |
| 180.211.228.0/24 | 🇧🇩 BD | APNIC | assigned |
| 180.211.237.0/24 | 🇧🇩 BD | APNIC | assigned |
| 180.211.243.0/24 | 🇧🇩 BD | APNIC | assigned |
| 180.211.248.0/24 | 🇧🇩 BD | APNIC | assigned |
| 180.211.249.0/24 | 🇧🇩 BD | APNIC | assigned |
| 2407:5000:2::/48 | 🇧🇩 BD | APNIC | assigned |
All 119 announced prefixes of AS45588 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS45588 hands its own prefixes to: transit providers, or peers at an exchange.
- AS17494BTTB AP Telecom Operator & Internet Service Provider As Well119
Downstreams (13)
Networks whose own prefixes AS45588 passes on: usually its customers.
- AS137706NATIONAL UNIVERSITY AP National University3
- AS139773BANBEIS AP Bangladesh Bureau Of Educational Information And Statistics3
- AS141438BANGLADESHSEZLTD AP Bangladesh SEZ3
- AS149445PATRIOT1 AP Patriot Technologies3
- AS63932BCC BD Bangladesh Computer Council1
- AS133766SPEED4 AP SPEED ONE1
- AS134068RKUB AP Rajshahi Krishi Unnayan Bank1
- AS134585DDNCOMMUNICATION AP DDN Communication1
- AS149425NNSS AP Nazrul Network Service@Saidpur1
- AS150304BANGLADESH10 AP Bangladesh Television1
- AS150352SKYBUSINESSCENTER AP Sky Business Center1
- AS150442BFSACD AP Bangladesh Fire Service And Civil Defense1
- AS153550SPIDERNETWORKS AP Spider Networks1
ASPA
No ASPA
External Links
Learn more
- 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 AS45588 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
Open https://api.ipctl.io/v1/asn/45588Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/45588" | jq