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AS17471 Grameen Cybernet Ltd. Bangladesh. AS for local peering and transit. Dhaka

Bangladesh CYBERNET-BD-AS APNIC 61 IPv4 prefixes 16 IPv6 prefixes
IPv4 addresses
15,872
IPv6 /48 networks
65,536
RPKI
77 valid0 no ROA
Peers and downstreams
1

Holder

AS name
CYBERNET-BD-AS
Description
Grameen Cybernet Ltd. Bangladesh. AS for local peering and transit. Dhaka
Organisation
GRAMEEN CYBERNET
Abuse contact
Not published
Assigned
2005-02-15
Registered
2008-09-04
Record last changed
2020-05-12 14:54 UTC
103.7.112.0/22103.7.112.0/24103.7.113.0/24103.7.114.0/24103.7.115.0/24122.99.100.0/22122.99.100.0/24122.99.101.0/24122.99.102.0/24122.99.103.0/24122.99.96.0/22122.99.96.0/24122.99.97.0/24122.99.98.0/24122.99.99.0/24202.125.64.0/20202.125.65.0/24202.125.69.0/24202.125.70.0/24202.125.71.0/24202.125.73.0/24202.125.74.0/24202.125.75.0/24202.125.76.0/24202.125.77.0/24203.191.32.0/23203.191.32.0/24203.191.33.0/24203.83.160.0/19203.83.160.0/24203.83.161.0/24203.83.162.0/24203.83.163.0/24203.83.164.0/24203.83.165.0/24203.83.166.0/24203.83.167.0/24203.83.168.0/24203.83.169.0/24203.83.170.0/24203.83.171.0/24203.83.172.0/24203.83.173.0/24203.83.174.0/24203.83.175.0/24203.83.176.0/24203.83.177.0/24203.83.178.0/24203.83.179.0/24203.83.180.0/24203.83.181.0/24203.83.182.0/24203.83.183.0/24203.83.184.0/24203.83.185.0/24203.83.186.0/24203.83.187.0/24203.83.188.0/24203.83.189.0/24203.83.190.0/24203.83.191.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths
AS6939 Hurricane Electric LLC AS6939 · US Hurricane Electric LLC AS174 AS174 AS174 AS174 AS9002 RETN Limited AS9002 · GB RETN Limited AS2914 NTT America, Inc. AS2914 · US NTT America, Inc. AS10075 Fiber@Home Global Limited AS10075 · BD Fiber@Home Global Lim… AS132602 Bangladesh Submarine Cable Company Limited (BSCCL) AS132602 · BD Bangladesh Submarine … AS58717 Summit Communications Ltd AS58717 · BD Summit Communications… AS149994 Rego Communications Ltd AS149994 · BD Rego Communications L… AS17471 Grameen Cybernet Ltd. Bangladesh. AS for local peering and transit. Dhaka AS17471 · BD Grameen Cybernet Ltd.…

Network health

Grade B · 85/100
pass Prefixes covered by valid ROAs
77 of 77 announced prefixes are RPKI valid.		 25/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.		 10/10
pass Announces IPv6
16 IPv6 prefixes.		 15/15
pass More than one upstream
2 upstreams seen in BGP.		 10/10
pass Working abuse contact
noc@citechco.net is published.		 15/15
fail Publishes a geofeed
No geofeed found. Without one, location databases have to guess.		 0/10
pass No prefixes smaller than /24 or /48
All prefixes are /24 (IPv4) or /48 (IPv6) or larger.		 10/10
fail Registry record maintained
Last changed 2020-05-12.		 0/5
Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.
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Routing changes

Last 30 days
2026-10-04 14:51 UTCNeighbour gone AS147181 downstream
2026-10-04 14:51 UTCNew neighbour AS150178 peer
2026-10-04 14:51 UTCPrefix gone 202.125.78.0/24
2026-10-04 14:51 UTCPrefix gone 202.125.72.0/24
2026-10-04 14:51 UTCNew prefix 203.83.190.0/24

WHOIS

aut-num:        AS17471
as-name:        CYBERNET-BD-AS
handle:         AS17471
remarks:        Grameen Cybernet Ltd. Bangladesh. AS for local peering and transit. Dhaka
technical:      AC553-AP (Azhar Chowdhury) <raju@citechco.net>
abuse:          IRT-CYBERNET-BD (IRT-CYBERNET-BD) <noc@citechco.net>
registrant:     ORG-GC9-AP (GRAMEEN CYBERNET) <info@citechco.net>
administrative: GM1-AP (Ghulam Mohiuddin) <mohi@citechco.net>
registration:   2008-09-04T06:40:37Z
last changed:   2020-05-12T14:54:11Z
source:         APNIC (RDAP)