AS58912 Chittagong Telecom Services Ltd 🇧🇩 BD

Chittagong Telecom Services Limited. Announcing 12 prefixes, seen at the RIS collectors.

IPv4 prefixes

2,048 (8 × /24)

IPv6 prefixes

16,384 × /48

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS58912
Name: Chittagong Telecom Services Ltd
Organisation: Chittagong Telecom Services
Country: 🇧🇩 BD
RIR: APNIC
Allocated: 2013-04-29
Network type: Cable/DSL/ISP
Traffic levels: 50-100Gbps
Scope: Asia Pacific
Peering policy: Open
Website: http://www.ctgtel.net
Looking glass: https://bgp.he.net/AS58912#_graph4
PeeringDB: net/21047
Exchanges: 2

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

12 valid (100.0%) 0 invalid (0.0%) 0 no ROA (0.0%)

Whois

Fetched from whois.apnic.net

as-block:       AS58368 - AS59391
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:  2011-08-10T06:21:41Z
source:         APNIC

role:           APNIC Hostmaster
address:        PO Box 3646
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:  2026-08-26T00:40:00Z
source:         APNIC

aut-num:        AS58912
as-name:        CTSL-BD
descr:          Chittagong Telecom Services Ltd
country:        BD
org:            ORG-CTSL1-AP
admin-c:        CTSL2-AP
tech-c:         CTSL2-AP
abuse-c:        AC2149-AP
mnt-lower:      MAINT-CTSL-BD
mnt-routes:     MAINT-CTSL-BD
mnt-by:         APNIC-HM
mnt-irt:        IRT-CTSL-BD
last-modified:  2020-10-05T22:46:12Z
source:         APNIC

irt:            IRT-CTSL-BD
address:        Chittagong Telecom Services Ltd.
address:        Progressive Tower, 1st Floor, 1837, Sk. Mujib Road, Agrabad, Chittagong-4100.
e-mail:         azim@ctgtel.net
abuse-mailbox:  info@ctgtel.net
admin-c:        CTSL2-AP
tech-c:         CTSL2-AP
auth:           # Filtered
remarks:        azim@ctgtel.net is invalid
remarks:        info@ctgtel.net is invalid
mnt-by:         MAINT-CTSL-BD
last-modified:  2026-07-08T13:11:54Z
source:         APNIC

organisation:   ORG-CTSL1-AP
org-name:       Chittagong Telecom Services Limited
org-type:       LIR
country:        BD
address:        Progressive Tower (1st Floor)
address:        1837, Sheikh Mujib Road,
address:        Agrabad
phone:          +8809638660066
e-mail:         info@ctgtel.net
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-12-03T13:02:02Z
source:         APNIC

role:           ABUSE CTSLBD
country:        ZZ
address:        Chittagong Telecom Services Ltd.
address:        Progressive Tower, 1st Floor, 1837, Sk. Mujib Road, Agrabad, Chittagong-4100.
phone:          +000000000
e-mail:         azim@ctgtel.net
admin-c:        CTSL2-AP
tech-c:         CTSL2-AP
nic-hdl:        AC2149-AP
remarks:        Generated from irt object IRT-CTSL-BD
remarks:        azim@ctgtel.net is invalid
remarks:        info@ctgtel.net is invalid
abuse-mailbox:  info@ctgtel.net
mnt-by:         APNIC-ABUSE
last-modified:  2026-07-08T13:13:50Z
source:         APNIC

role:           Chittagong Telecom Services Limited administrator
address:        CTGTEL, Progressive Tower (1st Floor), 1837, Sheikh Mujib Road, Agrabad, Chittagong
country:        BD
phone:          +88 01713428098
fax-no:         +88 01713428098
e-mail:         azim@ctgtel.net
admin-c:        CTSL2-AP
tech-c:         CTSL2-AP
nic-hdl:        CTSL2-AP
mnt-by:         MAINT-CTSL-BD
last-modified:  2023-12-03T12:32:46Z
source:         APNIC