23991 RANKS-AS-BD Ranks ITT Ltd.
Adjacency: 3 Upstream: 2 Downstream: 1
Upstream Adjacent AS list
AS17494 BTTB-AS-AP Telecom Operator & Internet Service Provider as well
AS7473 SINGTEL-AS-AP Singapore Telecom
Downstream Adjacent AS list
AS38210 RANKSTEL-AS-BD PSTN Operator and ISP
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 7915 AS23991 ORG+TRN Originate: 7936 /19.05 Transit: 2048 /21.00 RANKS-AS-BD Ranks ITT Ltd.
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 2260 AS23991 RANKS-AS-BD Ranks ITT Ltd. 16 8 3 11 5 31.25% Prefix AS Path Aggregation Suggestion 202.40.176.0/20 4637 7473 17494 23991 202.40.176.0/22 4637 3491 701 702 17494 17494 23991 + Announce - aggregate of 202.40.176.0/23 (4637 3491 701 702 17494 17494 23991) and 202.40.178.0/23 (4637 3491 701 702 17494 17494 23991) 202.40.176.0/24 4637 3491 701 702 17494 17494 23991 - Withdrawn - aggregated with 202.40.177.0/24 (4637 3491 701 702 17494 17494 23991) 202.40.177.0/24 4637 3491 701 702 17494 17494 23991 - Withdrawn - aggregated with 202.40.176.0/24 (4637 3491 701 702 17494 17494 23991) 202.40.178.0/24 4637 3491 701 702 17494 17494 23991 - Withdrawn - aggregated with 202.40.179.0/24 (4637 3491 701 702 17494 17494 23991) 202.40.179.0/24 4637 3491 701 702 17494 17494 23991 - Withdrawn - aggregated with 202.40.178.0/24 (4637 3491 701 702 17494 17494 23991) 202.40.180.0/23 4637 3491 701 702 17494 17494 23991 + Announce - aggregate of 202.40.180.0/24 (4637 3491 701 702 17494 17494 23991) and 202.40.181.0/24 (4637 3491 701 702 17494 17494 23991) 202.40.180.0/24 4637 3491 701 702 17494 17494 23991 - Withdrawn - aggregated with 202.40.181.0/24 (4637 3491 701 702 17494 17494 23991) 202.40.181.0/24 4637 3491 701 702 17494 17494 23991 - Withdrawn - aggregated with 202.40.180.0/24 (4637 3491 701 702 17494 17494 23991) 202.40.182.0/24 4637 3491 701 702 17494 17494 23991 202.40.183.0/24 4637 7473 23991 202.40.184.0/23 4637 3491 701 702 17494 17494 23991 + Announce - aggregate of 202.40.184.0/24 (4637 3491 701 702 17494 17494 23991) and 202.40.185.0/24 (4637 3491 701 702 17494 17494 23991) 202.40.184.0/24 4637 3491 701 702 17494 17494 23991 - Withdrawn - aggregated with 202.40.185.0/24 (4637 3491 701 702 17494 17494 23991) 202.40.185.0/24 4637 3491 701 702 17494 17494 23991 - Withdrawn - aggregated with 202.40.184.0/24 (4637 3491 701 702 17494 17494 23991) 202.40.186.0/24 4637 7473 23991 202.40.187.0/24 4637 3491 701 702 17494 17494 23991 202.40.188.0/24 4637 3491 701 702 17494 17494 23991 202.40.190.0/24 4637 7473 23991 202.40.191.0/24 4637 3491 701 702 17494 17494 23991
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS23991 15 More Specifics 15 Total Advertisements RANKS-AS-BD Ranks ITT Ltd.
202.40.176.0/24 202.40.176.0/20
202.40.177.0/24 202.40.176.0/20
202.40.178.0/24 202.40.176.0/20
202.40.179.0/24 202.40.176.0/20
202.40.180.0/24 202.40.176.0/20
202.40.181.0/24 202.40.176.0/20
202.40.182.0/24 202.40.176.0/20
202.40.183.0/24 202.40.176.0/20
202.40.184.0/24 202.40.176.0/20
202.40.185.0/24 202.40.176.0/20
202.40.186.0/24 202.40.176.0/20
202.40.187.0/24 202.40.176.0/20
202.40.188.0/24 202.40.176.0/20
202.40.190.0/24 202.40.176.0/20
202.40.191.0/24 202.40.176.0/20
whois: 402603
IANA has recorded AS23991 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS23991\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS23552 - AS24575'
as-block: AS23552 - AS24575
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
remarks: AS23889 has been transfered to AfriNIC
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2009-09-29T06:04:16Z
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 'AS23955 - AS24084'
as-block: AS23955 - AS24084
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: 2008-09-04T06:40:26Z
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 'AS23991'
% Abuse contact for 'AS23991' is 'abuse@ranksitt.net'
aut-num: AS23991
as-name: RANKS-AS-BD
descr: Ranks ITT Ltd.
descr: Internet and WAN Service Provider
country: BD
import: from AS11919 accept ANY
import: from AS4637 accept ANY
export: to AS11919 announce AS23991
export: to AS4637 announce AS23991
default: to AS11919 networks ANY
remarks: For routing problems with this ASN contact the admin-c
org: ORG-RI1-AP
admin-c: KA255-AP
tech-c: KA255-AP
abuse-c: AR1131-AP
notify: sysadmin@ranksitt.net
mnt-lower: MAINT-BD-RANKS
mnt-routes: MAINT-BD-RANKS
mnt-by: APNIC-HM
mnt-irt: IRT-RANKS-BD
last-modified: 2021-01-11T00:28:29Z
source: APNIC
irt: IRT-RANKS-BD
address: Ranks ITT Ltd.
address: Phoenix Tower (Level-8)
address: 407,Tejgaon Industrial Area
address: Dhaka-1208
e-mail: sysadmin@ranksitt.net
abuse-mailbox: abuse@ranksitt.net
admin-c: KA255-AP
tech-c: KA255-AP
auth: # Filtered
remarks: sysadmin@ranksitt.net is invalid
remarks: abuse@ranksitt.net is invalid
mnt-by: MAINT-BD-RANKS
last-modified: 2026-06-10T13:09:05Z
source: APNIC
organisation: ORG-RI1-AP
org-name: Ranks ITT
org-type: LIR
country: BD
address: Rangs Bhabon, 117/A Old Airport Road, Level-5
address: Bijoy Sharani, Tejgaon
phone: +880-9617112222
e-mail: info@ranksitt.net
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2023-09-05T02:14:56Z
source: APNIC
role: ABUSE RANKSBD
country: ZZ
address: Ranks ITT Ltd.
address: Phoenix Tower (Level-8)
address: 407,Tejgaon Industrial Area
address: Dhaka-1208
phone: +000000000
e-mail: sysadmin@ranksitt.net
admin-c: KA255-AP
tech-c: KA255-AP
nic-hdl: AR1131-AP
remarks: Generated from irt object IRT-RANKS-BD
remarks: sysadmin@ranksitt.net is invalid
remarks: abuse@ranksitt.net is invalid
abuse-mailbox: abuse@ranksitt.net
mnt-by: APNIC-ABUSE
last-modified: 2026-06-10T13:10:41Z
source: APNIC
person: Khurshid Amin
address: Rangs Bhabon,117/A Old Airport Road, Level-5,Bijoy Sharani, Tejgaon, Dhaka-1215
country: BD
phone: +880-9617112222
e-mail: khurshid@ranksitt.net
nic-hdl: KA255-AP
mnt-by: MAINT-BD-RANKS
last-modified: 2020-08-04T10:42:20Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU4)