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	Prefix	Description
	103.88.140.0/24	Md. Zakir Hossain t/a Kastech Computer Valley
	103.88.140.0/23	Md. Zakir Hossain t/a Kastech Computer Valley
	103.88.141.0/24	Md. Zakir Hossain t/a Kastech Computer Valley
	103.88.142.0/24	Md. Zakir Hossain t/a Kastech Computer Valley
	103.88.143.0/24	Md. Zakir Hossain t/a Kastech Computer Valley
	116.204.230.0/24	Kastech Computer Valley
	2400:e340::/32	Md. Zakir Hossain t/a Kastech Computer Valley
	2400:e340:2::/48	Md. Zakir Hossain t/a Kastech Computer Valley

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS137491	Peerex Networks Ltd	✔	✔
	AS58689	ICC Communication	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS137491	Peerex Networks Ltd	✔	✔
	AS58689	ICC Communication	✔	✔

aut-num:        AS136450
as-name:        KASTECH-AS-AP
descr:          Kastech Computer Valley
country:        BD
org:            ORG-KCV1-AP
admin-c:        KCVA1-AP
tech-c:         KCVA1-AP
abuse-c:        AK1120-AP
mnt-lower:      MAINT-KASTECH-BD
mnt-routes:     MAINT-KASTECH-BD
mnt-by:         APNIC-HM
mnt-irt:        IRT-KASTECH-BD
last-modified:  2021-01-18T23:25:41Z
source:         APNIC


organisation:   ORG-KCV1-AP
org-name:       Kastech Computer Valley
org-type:       LIR
country:        BD
address:        House: 146, Road: 02, Block: A, Mirpur-12,
phone:          +8801711153762
# Email removed, Log into bgp.tools to see whois emails
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:17:09Z
source:         APNIC

Last Update: 2025-12-25T03:22:16Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
APNIC	as-141442	53
RADB	as-kddcustomer2	8206
APNIC	as-137491	565
RIPE	as-retn-actual-v6	3891
APNIC	as-set-bsccl	2047
APNIC	as-58689	565
RIPE	as-transroute-spec	19683
APNIC	as137491:as-customers	68
APNIC	as-fhl	468
RADB	as-telstra-testing-1	11766
APNIC	as132884:as-customers	1891
APNIC	as-150178	844
RIPE	as-retn-actual-v4	12187
APNIC	as-wcl-bd	1339
APNIC	as58717:as-summitcommunications-bd	1297
APNIC	as17494:as-customers	1991
APNIC	as-fgl	1892
RADB	as-telstra-intl-customers	11860