38031 OPTIMAX-BD-AS-AP - OptiMax Communication Ltd., BD
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS58717 SUMMITCOMMUNICATIONS-BD - Summit Communications Ltd, BD
AS58682 LEVEL3-BD - Level3 Carrier Ltd., BD
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 5122 AS38031 ORIGIN Originate: 34816 /16.91 Transit: 0 /0.00 OPTIMAX-BD-AS-AP - OptiMax Communication Ltd., BD
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 % 1483 AS38031 OPTIMAX-BD-AS-AP - OptiMax Communication Ltd. 66 45 5 26 40 60.61% Prefix AS Path Aggregation Suggestion 61.247.176.0/20 4608 24115 9498 58717 38031 38031 61.247.176.0/21 4608 24115 9498 58717 38031 38031 - Withdrawn - matching aggregate 61.247.176.0/20 4608 24115 9498 58717 38031 38031 61.247.176.0/23 4608 24115 9498 58717 38031 38031 - Withdrawn - matching aggregate 61.247.176.0/20 4608 24115 9498 58717 38031 38031 61.247.176.0/24 4608 24115 9498 58717 38031 38031 - Withdrawn - matching aggregate 61.247.176.0/20 4608 24115 9498 58717 38031 38031 61.247.177.0/24 4608 24115 9498 58717 38031 38031 - Withdrawn - matching aggregate 61.247.176.0/20 4608 24115 9498 58717 38031 38031 61.247.178.0/23 4608 6939 58682 38031 38031 + Announce - aggregate of 61.247.178.0/24 (4608 6939 58682 38031 38031) and 61.247.179.0/24 (4608 6939 58682 38031 38031) 61.247.178.0/24 4608 6939 58682 38031 38031 - Withdrawn - aggregated with 61.247.179.0/24 (4608 6939 58682 38031 38031) 61.247.179.0/24 4608 6939 58682 38031 38031 - Withdrawn - aggregated with 61.247.178.0/24 (4608 6939 58682 38031 38031) 61.247.180.0/22 4608 6939 58682 38031 38031 + Announce - aggregate of 61.247.180.0/23 (4608 6939 58682 38031 38031) and 61.247.182.0/23 (4608 6939 58682 38031 38031) 61.247.180.0/23 4608 6939 58682 38031 38031 - Withdrawn - aggregated with 61.247.182.0/23 (4608 6939 58682 38031 38031) 61.247.180.0/24 4608 6939 58682 38031 38031 - Withdrawn - matching aggregate 61.247.180.0/23 4608 6939 58682 38031 38031 61.247.181.0/24 4608 24115 9498 58717 38031 38031 61.247.182.0/23 4608 24115 9498 58717 38031 38031 - Withdrawn - matching aggregate 61.247.176.0/20 4608 24115 9498 58717 38031 38031 61.247.182.0/24 4608 6939 58682 38031 38031 - Withdrawn - aggregated with 61.247.183.0/24 (4608 6939 58682 38031 38031) 61.247.183.0/24 4608 6939 58682 38031 38031 - Withdrawn - aggregated with 61.247.182.0/24 (4608 6939 58682 38031 38031) 61.247.184.0/23 4608 24115 9498 58717 38031 38031 - Withdrawn - matching aggregate 61.247.176.0/20 4608 24115 9498 58717 38031 38031 61.247.184.0/23 4777 6939 58682 38031 38031 + Announce - aggregate of 61.247.184.0/24 (4777 6939 58682 38031 38031) and 61.247.185.0/24 (4777 6939 58682 38031 38031) 61.247.184.0/24 4777 6939 58682 38031 38031 - Withdrawn - aggregated with 61.247.185.0/24 (4777 6939 58682 38031 38031) 61.247.185.0/24 4777 6939 58682 38031 38031 - Withdrawn - aggregated with 61.247.184.0/24 (4777 6939 58682 38031 38031) 61.247.186.0/23 4608 6939 58682 38031 38031 61.247.186.0/24 4608 6939 58682 38031 38031 - Withdrawn - matching aggregate 61.247.186.0/23 4608 6939 58682 38031 38031 61.247.187.0/24 4608 24115 9498 58717 38031 38031 61.247.188.0/23 4608 24115 9498 58717 38031 38031 - Withdrawn - matching aggregate 61.247.176.0/20 4608 24115 9498 58717 38031 38031 61.247.188.0/24 4608 24115 9498 58717 38031 38031 - Withdrawn - matching aggregate 61.247.176.0/20 4608 24115 9498 58717 38031 38031 61.247.189.0/24 4608 24115 9498 58717 38031 38031 - Withdrawn - matching aggregate 61.247.176.0/20 4608 24115 9498 58717 38031 38031 61.247.190.0/24 4608 24115 9498 58717 38031 38031 - Withdrawn - matching aggregate 61.247.176.0/20 4608 24115 9498 58717 38031 38031 61.247.191.0/24 4608 6939 58682 38031 38031 103.245.98.0/23 4608 6939 58682 38031 38031 103.245.98.0/24 4777 2516 2914 58717 38031 38031 103.245.99.0/24 4608 24115 9498 58717 38031 38031 111.221.0.0/21 4608 24115 9498 58717 38031 38031 111.221.0.0/22 4608 24115 9498 58717 38031 38031 - Withdrawn - matching aggregate 111.221.0.0/21 4608 24115 9498 58717 38031 38031 111.221.0.0/24 4608 24115 9498 58717 38031 38031 - Withdrawn - matching aggregate 111.221.0.0/21 4608 24115 9498 58717 38031 38031 111.221.1.0/24 4608 24115 9498 58717 38031 38031 - Withdrawn - matching aggregate 111.221.0.0/21 4608 24115 9498 58717 38031 38031 111.221.2.0/24 4608 24115 9498 58717 38031 38031 - Withdrawn - matching aggregate 111.221.0.0/21 4608 24115 9498 58717 38031 38031 111.221.3.0/24 4608 24115 9498 58717 38031 38031 - Withdrawn - matching aggregate 111.221.0.0/21 4608 24115 9498 58717 38031 38031 111.221.4.0/22 4608 6939 58682 38031 38031 111.221.4.0/22 4608 24115 9498 58717 38031 38031 + Announce - aggregate of 111.221.4.0/23 (4608 24115 9498 58717 38031 38031) and 111.221.6.0/23 (4608 24115 9498 58717 38031 38031) 111.221.4.0/24 4608 24115 9498 58717 38031 38031 - Withdrawn - aggregated with 111.221.5.0/24 (4608 24115 9498 58717 38031 38031) 111.221.5.0/24 4608 24115 9498 58717 38031 38031 - Withdrawn - aggregated with 111.221.4.0/24 (4608 24115 9498 58717 38031 38031) 111.221.6.0/24 4608 24115 9498 58717 38031 38031 - Withdrawn - aggregated with 111.221.7.0/24 (4608 24115 9498 58717 38031 38031) 111.221.7.0/24 4608 24115 9498 58717 38031 38031 - Withdrawn - aggregated with 111.221.6.0/24 (4608 24115 9498 58717 38031 38031) 114.134.88.0/21 4608 24115 9498 58717 38031 38031 114.134.88.0/23 4608 24115 9498 58717 38031 38031 - Withdrawn - matching aggregate 114.134.88.0/21 4608 24115 9498 58717 38031 38031 114.134.88.0/24 4608 24115 9498 58717 38031 38031 - Withdrawn - matching aggregate 114.134.88.0/21 4608 24115 9498 58717 38031 38031 114.134.89.0/24 4608 6939 58682 38031 38031 114.134.90.0/23 4608 24115 9498 58717 38031 38031 - Withdrawn - matching aggregate 114.134.88.0/21 4608 24115 9498 58717 38031 38031 114.134.90.0/24 4608 24115 9498 58717 38031 38031 - Withdrawn - matching aggregate 114.134.88.0/21 4608 24115 9498 58717 38031 38031 114.134.91.0/24 4777 2516 6453 58717 38031 38031 114.134.92.0/22 4608 6939 58682 38031 38031 + Announce - aggregate of 114.134.92.0/23 (4608 6939 58682 38031 38031) and 114.134.94.0/23 (4608 6939 58682 38031 38031) 114.134.92.0/23 4608 6939 58682 38031 38031 - Withdrawn - aggregated with 114.134.94.0/23 (4608 6939 58682 38031 38031) 114.134.92.0/24 4608 6939 58682 38031 38031 - Withdrawn - matching aggregate 114.134.92.0/23 4608 6939 58682 38031 38031 114.134.93.0/24 4608 24115 9498 58717 38031 38031 114.134.94.0/23 4608 6939 58682 38031 38031 - Withdrawn - aggregated with 114.134.92.0/23 (4608 6939 58682 38031 38031) 114.134.94.0/24 4608 6939 58682 38031 38031 - Withdrawn - matching aggregate 114.134.94.0/23 4608 6939 58682 38031 38031 114.134.95.0/24 4608 24115 9498 58717 38031 38031 203.112.72.0/21 4608 24115 9498 58717 38031 38031 203.112.72.0/22 4608 24115 9498 58717 38031 38031 - Withdrawn - matching aggregate 203.112.72.0/21 4608 24115 9498 58717 38031 38031 203.112.72.0/23 4608 24115 9498 58717 38031 38031 - Withdrawn - matching aggregate 203.112.72.0/21 4608 24115 9498 58717 38031 38031 203.112.72.0/24 4608 24115 9498 58717 38031 38031 - Withdrawn - matching aggregate 203.112.72.0/21 4608 24115 9498 58717 38031 38031 203.112.73.0/24 4608 6939 58682 38031 38031 203.112.74.0/23 4608 6939 58682 38031 38031 203.112.74.0/24 4608 6939 58682 38031 38031 - Withdrawn - matching aggregate 203.112.74.0/23 4608 6939 58682 38031 38031 203.112.75.0/24 4608 24115 9498 58717 38031 38031 203.112.76.0/22 4608 6939 58682 38031 38031 203.112.76.0/23 4608 6939 58682 38031 38031 - Withdrawn - matching aggregate 203.112.76.0/22 4608 6939 58682 38031 38031 203.112.76.0/24 4608 6939 58682 38031 38031 - Withdrawn - matching aggregate 203.112.76.0/22 4608 6939 58682 38031 38031 203.112.77.0/24 4608 6939 58682 38031 38031 - Withdrawn - matching aggregate 203.112.76.0/22 4608 6939 58682 38031 38031 203.112.78.0/23 4608 6939 58682 38031 38031 - Withdrawn - matching aggregate 203.112.76.0/22 4608 6939 58682 38031 38031 203.112.78.0/24 4608 24115 9498 58717 38031 38031 203.112.79.0/24 4608 6939 58682 38031 38031 - Withdrawn - matching aggregate 203.112.76.0/22 4608 6939 58682 38031 38031
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS38031 62 More Specifics 66 Total Advertisements OPTIMAX-BD-AS-AP - OptiMax Communication Ltd., BD
61.247.176.0/21 61.247.176.0/20
61.247.176.0/23 61.247.176.0/20
61.247.176.0/24 61.247.176.0/20
61.247.177.0/24 61.247.176.0/20
61.247.178.0/24 61.247.176.0/20
61.247.179.0/24 61.247.176.0/20
61.247.180.0/23 61.247.176.0/20
61.247.180.0/24 61.247.176.0/20
61.247.181.0/24 61.247.176.0/20
61.247.182.0/23 61.247.176.0/20
61.247.182.0/24 61.247.176.0/20
61.247.183.0/24 61.247.176.0/20
61.247.184.0/23 61.247.176.0/20
61.247.184.0/24 61.247.176.0/20
61.247.185.0/24 61.247.176.0/20
61.247.186.0/23 61.247.176.0/20
61.247.186.0/24 61.247.176.0/20
61.247.187.0/24 61.247.176.0/20
61.247.188.0/23 61.247.176.0/20
61.247.188.0/24 61.247.176.0/20
61.247.189.0/24 61.247.176.0/20
61.247.190.0/24 61.247.176.0/20
61.247.191.0/24 61.247.176.0/20
103.245.98.0/23 103.245.96.0/22
103.245.98.0/24 103.245.96.0/22
103.245.99.0/24 103.245.96.0/22
111.221.0.0/22 111.221.0.0/21
111.221.0.0/24 111.221.0.0/21
111.221.1.0/24 111.221.0.0/21
111.221.2.0/24 111.221.0.0/21
111.221.3.0/24 111.221.0.0/21
111.221.4.0/22 111.221.0.0/21
111.221.4.0/24 111.221.0.0/21
111.221.5.0/24 111.221.0.0/21
111.221.6.0/24 111.221.0.0/21
111.221.7.0/24 111.221.0.0/21
114.134.88.0/23 114.134.88.0/21
114.134.88.0/24 114.134.88.0/21
114.134.89.0/24 114.134.88.0/21
114.134.90.0/23 114.134.88.0/21
114.134.90.0/24 114.134.88.0/21
114.134.91.0/24 114.134.88.0/21
114.134.92.0/23 114.134.88.0/21
114.134.92.0/24 114.134.88.0/21
114.134.93.0/24 114.134.88.0/21
114.134.94.0/23 114.134.88.0/21
114.134.94.0/24 114.134.88.0/21
114.134.95.0/24 114.134.88.0/21
203.112.72.0/22 203.112.72.0/21
203.112.72.0/23 203.112.72.0/21
203.112.72.0/24 203.112.72.0/21
203.112.73.0/24 203.112.72.0/21
203.112.74.0/23 203.112.72.0/21
203.112.74.0/24 203.112.72.0/21
203.112.75.0/24 203.112.72.0/21
203.112.76.0/22 203.112.72.0/21
203.112.76.0/23 203.112.72.0/21
203.112.76.0/24 203.112.72.0/21
203.112.77.0/24 203.112.72.0/21
203.112.78.0/23 203.112.72.0/21
203.112.78.0/24 203.112.72.0/21
203.112.79.0/24 203.112.72.0/21
whois: 402603
IANA has recorded AS38031 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS38031\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS37888 - AS38911'
as-block: AS37888 - AS38911
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: 2009-09-29T06:04:16Z
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 'AS37971 - AS38085'
as-block: AS37971 - AS38085
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 'AS38031'
% Abuse contact for 'AS38031' is 'emdad@optimaxbd.net'
aut-num: AS38031
as-name: OPTIMAX-BD-AS-AP
descr: OptiMax Communication Ltd.
descr: Dhaka, Bangladesh
descr: http://www.optimaxbd.net
descr: Internet Service Provider
country: BD
import: from AS17494 accept ANY
import: from AS58715 accept ANY
export: to AS58682 announce AS38031
export: to AS58715 announce AS38031
default: to AS17494 networks ANY
remarks: emdad@optimaxbd.net
org: ORG-OCL2-AP
admin-c: ONA10-AP
tech-c: ONA10-AP
abuse-c: AO231-AP
notify: emdad@optimaxbd.net
mnt-lower: MAINT-BD-OPTIMAX
mnt-routes: MAINT-BD-OPTIMAX
mnt-by: APNIC-HM
mnt-irt: IRT-OPTIMAX-BD
last-modified: 2020-05-27T13:03:42Z
source: APNIC
irt: IRT-OPTIMAX-BD
address: OptiMax Communication Ltd
address: House-6, Road-28,Block-K
address: Banani, Dhaka-1213
address: Bangladesh
phone: +8801711532496
e-mail: emdad@optimaxbd.net
abuse-mailbox: emdad@optimaxbd.net
admin-c: ONA10-AP
tech-c: ONA10-AP
auth: # Filtered
remarks: emdad@optimaxbd.net
remarks: emdad@optimaxbd.net
remarks: emdad@optimaxbd.net
remarks: emdad@optimaxbd.net
remarks: emdad@optimaxbd.net was validated on 2026-03-11
mnt-by: MAINT-BD-OPTIMAX
last-modified: 2026-03-11T13:25:40Z
source: APNIC
organisation: ORG-OCL2-AP
org-name: OptiMax Communication Ltd
org-type: LIR
country: BD
address: House-06, Road-28, Block-K,
address: Banani
phone: +88-02-9853356
fax-no: +88-02-9841744
e-mail: info@optimaxbd.net
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2023-09-05T02:15:08Z
source: APNIC
role: ABUSE OPTIMAXBD
country: ZZ
address: OptiMax Communication Ltd
address: House-6, Road-28,Block-K
address: Banani, Dhaka-1213
address: Bangladesh
phone: +8801711532496
e-mail: emdad@optimaxbd.net
admin-c: ONA10-AP
tech-c: ONA10-AP
nic-hdl: AO231-AP
remarks: Generated from irt object IRT-OPTIMAX-BD
remarks: emdad@optimaxbd.net was validated on 2026-03-11
abuse-mailbox: emdad@optimaxbd.net
mnt-by: APNIC-ABUSE
last-modified: 2026-03-11T13:25:57Z
source: APNIC
role: Optimax network administrator
address: House-06, Road-28, Block-K, Banani
country: BD
phone: +88-02-8853356
e-mail: emdad@optimaxbd.net
admin-c: ONA10-AP
tech-c: ONA10-AP
nic-hdl: ONA10-AP
mnt-by: MAINT-BD-OPTIMAX
last-modified: 2017-01-04T07:38:23Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)