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	Prefix	Description
	45.250.228.0/24	Md. Shariful Islam T/A BRISK SYSTEMS
	45.250.229.0/24	Md. Shariful Islam T/A BRISK SYSTEMS
	45.250.230.0/24	Md. Shariful Islam T/A BRISK SYSTEMS
	45.250.231.0/24	Md. Shariful Islam T/A BRISK SYSTEMS
	103.202.220.0/24	Md. Shariful Islam T/A BRISK SYSTEMS
	103.202.221.0/24	Md. Shariful Islam T/A BRISK SYSTEMS
	103.202.223.0/24	Md. Shariful Islam T/A BRISK SYSTEMS
	103.209.196.0/24	Md. Shariful Islam T/A BRISK SYSTEMS
	103.209.197.0/24	Md. Shariful Islam T/A BRISK SYSTEMS
	103.209.199.0/24	Md. Shariful Islam T/A BRISK SYSTEMS
	2403:6940::/32	Md. Shariful Islam T/A BRISK SYSTEMS
	2403:6940::/36	Md. Shariful Islam T/A BRISK SYSTEMS
	2403:6940:1000::/36	Md. Shariful Islam T/A BRISK SYSTEMS
	2403:6940:2000::/36	Md. Shariful Islam T/A BRISK SYSTEMS
	2403:6940:2001::/48	Md. Shariful Islam T/A BRISK SYSTEMS
	2403:6940:2002::/48	Md. Shariful Islam T/A BRISK SYSTEMS
	2403:6940:4000::/36	Md. Shariful Islam T/A BRISK SYSTEMS
	2403:6940:5000::/36	Md. Shariful Islam T/A BRISK SYSTEMS
	2403:6940:6000::/36	Md. Shariful Islam T/A BRISK SYSTEMS
	2403:6940:7000::/36	Md. Shariful Islam T/A BRISK SYSTEMS
	2403:6940:8000::/36	Md. Shariful Islam T/A BRISK SYSTEMS
	2403:6940:9000::/36	Md. Shariful Islam T/A BRISK SYSTEMS
	2403:6940:a000::/36	Md. Shariful Islam T/A BRISK SYSTEMS
	2403:6940:b000::/36	Md. Shariful Islam T/A BRISK SYSTEMS
	2403:6940:c000::/36	Md. Shariful Islam T/A BRISK SYSTEMS
	2403:6940:d000::/36	Md. Shariful Islam T/A BRISK SYSTEMS
	2403:6940:e000::/36	Md. Shariful Islam T/A BRISK SYSTEMS
	2403:6940:f000::/36	Md. Shariful Islam T/A BRISK SYSTEMS

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS58717	Summit Communications Ltd	✔	✔
	AS139009	Windstream Communication Limited	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS58717	Summit Communications Ltd	✔	✔
	AS139009	Windstream Communication Limited	✔	✔
	AS150178	EXABYTE LTD	✔	✘
	AS134371	CIRCLE NETWORK BANGLADESH	✔	✘
	AS135091	Ayaan communication	✔	✘
	AS147292	Microwin Cyber Cafe	✔	✘

aut-num:        AS134180
as-name:        BRISKSYSTEMS-AS-AP
descr:          Md. Shariful Islam T/A BRISK SYSTEMS
country:        BD
org:            ORG-BS2-AP
admin-c:        BSA1-AP
tech-c:         BSA1-AP
abuse-c:        AB1008-AP
mnt-lower:      MAINT-BRISKSYSTEMS-BD
mnt-routes:     MAINT-BRISKSYSTEMS-BD
mnt-by:         APNIC-HM
mnt-irt:        IRT-BRISKSYSTEMS-BD
last-modified:  2020-06-17T13:04:00Z
source:         APNIC


organisation:   ORG-BS2-AP
org-name:       BRISK SYSTEMS
org-type:       LIR
country:        BD
address:        ********
phone:          ********
# Email removed, Log into bgp.tools to see whois emails/phone numbers
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:16:36Z
source:         APNIC

Last Update: 2026-06-13T03:22:29Z UTC

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Member of the following AS-SETs

-	Member
APNIC	as-dtliig-139901
RADB	as-kddcustomer2
APNIC	as-58715
APNIC	as-circle-bd
APNIC	as137967:as-customers
APNIC	as150748:as-gmax
RIPE	as-transroute-spec
RIPE	as-retn-actual-v4
APNIC	as-150178
RIPE	as-retn-actual-v6
RADB	as-nwn-transit
APNIC	as58778:as-mangoitc-bd
APNIC	as135341:as-orange
APNIC	as149765:as-coronetiig-bd
RADB	as-hurricane
APNIC	as58717:as-summitcommunications-bd
APNIC	as132884:as-customers
APNIC	as132267:as-members
APNIC	as132267:as-member
APNIC	as-9441
APNIC	as17494:as-customers
APNIC	as-fgl
APNIC	as137453:as-orange
APNIC	as-137491
APNIC	as-58682
RADB	as-hurricanev6
APNIC	as150696:as-ix
APNIC	as-maxhub-ltd
APNIC	as-wcl-bd
APNIC	as-set-bsccl
APNIC	as-58689