ASN Lookup Tool

Bangladesh Telegraph & Telephone Board btcl.net.bd BD BD 110 Routes

AS Data

AS45588

AS45588Bangladesh Telegraph & Telephone Board

AS Number 45588
AS Name BTCL-ISP-AS
Organization Bangladesh Telegraph & Telephone Board(org-bttb1-ap)
Country BD
Website btcl.net.bd
Number of IPv4 Routes 107
Number of IPv6 Routes 3
ASN type GOVERNMENT
Registry APNIC
Date Allocated N/A

ASN Intelligence API for production workflows

Use ASN data for AS45588 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

IP Ranges

Route # IPs
180.211.211.0/24 256
180.211.173.0/24 256
114.130.177.0/24 256
180.211.143.0/24 256
114.130.189.0/24 256
114.130.168.0/24 256
114.130.138.0/24 256
180.211.152.0/24 256
180.211.214.0/24 256
180.211.134.0/24 256

Raw Whois Response

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS45056 - AS46079'

as-block:       AS45056 - AS46079
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2009-09-29T05:48:11Z
source:         APNIC

role:           APNIC Hostmaster
address:        6 Cordelia Street
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC

% Information related to 'AS45588'

% Abuse contact for 'AS45588' is 'irt@btcl.gov.bd'

aut-num:        AS45588
as-name:        BTCL-ISP-AS
descr:          Bangladesh Telecommunications Company Limited (BTCL), Nationwide PSTN Operator and Data and Internet Service Provider.
country:        BD
org:            ORG-BTTB1-AP
admin-c:        HA128-AP
tech-c:         RM324-AP
tech-c:         SR42-AP
tech-c:         MR209-AP
abuse-c:        AB1235-AP
notify:         detelex@bttb.net.bd
notify:         sayed@bttb.net.bd
notify:         atique05@btcl.net.bd
mnt-lower:      MAINT-BD-BTTB
mnt-routes:     MAINT-BD-BTTB
mnt-by:         APNIC-HM
mnt-irt:        IRT-BTTB-BD
last-modified:  2021-01-18T01:59:51Z
source:         APNIC

irt:            IRT-BTTB-BD
address:        Data and Internet Service
address:        Bangladesh Telecommunications Company Ltd
address:        Moghbazar Telephone Bhaban, Dhaka
address:
address:
e-mail:         uzzal18@gmail.com
abuse-mailbox:  irt@btcl.gov.bd
admin-c:        HA128-AP
tech-c:         MR209-AP
auth:           # Filtered
remarks:        uzzal18@gmail.comd
remarks:        irt@btcl.cov.bd
remarks:        uzzal18@btcl.gov.bd
remarks:        irt@btcl.gov.bd was validated on 2026-01-05
remarks:        uzzal18@gmail.com is invalid
mnt-by:         MAINT-BD-BTTB
last-modified:  2026-02-18T13:09:29Z
source:         APNIC

organisation:   ORG-BTTB1-AP
org-name:       Bangladesh Telegraph & Telephone Board
org-type:       LIR
country:        BD
address:        Telejogajog Bhaban
address:        37/E, Eskaton Garden
phone:          +880-2-8311500
fax-no:         +880-2-9320002
e-mail:         md@btcl.com.bd
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:44Z
source:         APNIC

role:           ABUSE BTTBBD
country:        ZZ
address:        Data and Internet Service
address:        Bangladesh Telecommunications Company Ltd
address:        Moghbazar Telephone Bhaban, Dhaka
address:
address:
phone:          +000000000
e-mail:         uzzal18@gmail.com
admin-c:        HA128-AP
tech-c:         MR209-AP
nic-hdl:        AB1235-AP
remarks:        Generated from irt object IRT-BTTB-BD
remarks:        irt@btcl.gov.bd was validated on 2026-01-05
remarks:        uzzal18@gmail.com is invalid
abuse-mailbox:  irt@btcl.gov.bd
mnt-by:         APNIC-ABUSE
last-modified:  2026-02-18T13:09:57Z
source:         APNIC

person:         Habibur Rahman AKM
nic-hdl:        HA128-AP
e-mail:         detelex@btcl.net.bd
address:        Data and Internet Service
address:        Bangladesh Telecommunications Company Ltd
address:        Moghbazar Telephone Bhaban, Dhaka
phone:          +880-1550151169
fax-no:         +880-2-8360699
country:        BD
mnt-by:         MAINT-BD-BTTB
last-modified:  2008-10-07T08:11:52Z
source:         APNIC

person:         Mohammad Atiqur Rahman
address:        Mogbazar Telephone Bhaban,
address:        Mogbazar, Dhaka
address:        Bangladesh
country:        BD
phone:          +880-1819550327
fax-no:         +880-2-9344455
e-mail:         atique05@btcl.net.bd
nic-hdl:        MR209-AP
mnt-by:         MAINT-BD-BTTB
last-modified:  2008-10-08T03:29:52Z
source:         APNIC

person:         Ruhul Quddus Mohammad
nic-hdl:        RM324-AP
e-mail:         rumi@bttb.net.bd
address:        Data and Internet service
address:        BTTB Moghbazar compound
address:        Dhaka
phone:          +880-152000497
fax-no:         +880-2-9344455
country:        BD
mnt-by:         MAINT-BD-BTTB
last-modified:  2008-09-04T07:29:17Z
source:         APNIC

person:         Sayedur Rahman
address:        Internet Services=20
address:        Mogbazar Telephone Exchange Building
address:        Mogbazar, Dhaka 1217
country:        BD
phone:          +880-2-9344035
fax-no:         +880-2-831-9829
e-mail:         sayed@bttb.net.bd
nic-hdl:        SR42-AP
mnt-by:         MAINT-NEW
last-modified:  2008-09-04T07:29:17Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-US2)

Parsed Whois Response

Peers

AS Number Description Country
AS150722 Khulna Broadband Service BD
AS149425 Nazrul Network Service@Saidpur BD
AS134585 DDN Communication BD
AS139807 Pioneer IT BD
AS154009 Directorate of Primary Education DPE BD
AS150442 Bangladesh Fire Service and Civil Defense BD
AS17494 Bangladesh Telegraph & Telephone Board BD
AS150352 Sky Business Center BD
AS151060 Telewire Communications BD
AS63843 Dohatec New Media BD

Upstreams

AS Number Description Country
AS17494 Bangladesh Telegraph & Telephone Board BD

Downstreams

AS Number Description Country
AS153550 Spider Networks BD
AS137706 National University BD
AS150304 Bangladesh Television BD
AS150722 Khulna Broadband Service BD
AS139771 Alpha Network BD
AS149425 Nazrul Network Service@Saidpur BD
AS137568 SKY SYSTEMS LTD BD
AS134585 DDN Communication BD
AS139807 Pioneer IT BD
AS154009 Directorate of Primary Education DPE BD

Contacts

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Frequently Asked Questions

ASN AS45588 is an Autonomous System Number used to identify a network for BGP internet routing.
AS45588 is listed under Bangladesh Telegraph & Telephone Board.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.