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Data as of Nov 6, 2026

123.49.40.0/21

11 residential-proxy exits · 30 days

Telecom Operator & Internet Service Provider as well · space held by Bangladesh Telegraph & Telephone Board

Announcement
123.49.0.0/18
RPKI valid
Announced by
AS17494
Type
Business
>99% of it

Residential-proxy exits

Proxy exits
11
0.54% of its addresses · 30 days
Spread
4 of 8
/24s with at least one exit
Providers
46
selling exits here
Oct 7, 2026 – Nov 5, 2026

Exits seen per day

1.9K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
123.49.44.0/2405
123.49.41.0/2404
123.49.40.0/2401
123.49.42.0/2401

Proxy providers listing exits

  • 711Proxy
  • Ake.net
  • AnyIP
  • BestProxy
  • BirdProxies
  • BottingTools
  • ByteProxies
  • Byteful
  • CliProxy
  • DataImpulse
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • Geonode
  • GonzoProxy
  • IPFly
  • IPOasis
  • IPPeak
  • Infatica
  • Kookey
  • LemonBright
  • MangoProxy
  • NSocks
  • NiuProxy
  • NodeProxy
  • NovaProxy
  • Novada
  • Proxio
  • Proxy-Seller
  • ProxyEmpire
  • ProxyRack
  • ProxyWing
  • Proxyma
  • PuraRoute
  • RainProxy
  • Shifter
  • Smartproxy
  • Thordata
  • ThunderProxy
  • VantageProxies
  • VitalExclusive
  • VitalProxy

Announcements

More specific

Announcements inside

PrefixOriginTypeProxy exitsHolderRPKI
123.49.41.0/24
since Aug 2025
AS17494Business4Bangladesh Telegraph & Telephone Board
via BTCL Dhaka government office network address
123.49.43.0/24
since Oct 2015
AS23876BusinessBangladesh Telegraph & Telephone Board
via BTCL Dhaka government office network address
123.49.45.0/24
since Feb 2020
AS17494ResidentialBangladesh Telegraph & Telephone Board
123.49.47.0/24
since Jan 2021
AS17494BusinessBangladesh Telegraph & Telephone Board
via BTCL Dhaka government office network address

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
123.49.0.0/1816,384BTTBBangladesh Telegraph & Telephone Board (ORG-BTTB1-AP) · BDALLOCATED PORTABLE—irt@btcl.gov.bd
└ 123.49.35.0 - 123.49.41.2551,792BTCL-DHAKA-Government-NetworkBTCL Dhaka government office network addressALLOCATED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.40.0/25128AKJ-ONLAkij Online LtdASSIGNED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.40.128/25128SKYBDInsoft Systems Ltd, DhakaASSIGNED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.41.0/25128BBTS-CTGBroadband Telecommunication Services Ltd.ASSIGNED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.41.128/2664SPARKSpark Ltd.ASSIGNED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.41.192/2732BROSISBrosis Communication Ltd, ChittagongASSIGNED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.41.224/2732AIUBAmerican International University, Bangladeshes LtdASSIGNED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.42.0/2816IIUCInternational Islamin University of ChittagongASSIGNED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.42.16/298IUB-CTGIndependent University of Bangladesh, Chittagong CampusASSIGNED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.42.24/298HELP-LINEHelp line, Kazi Nazrul Islam Road, Jhowtola, Bogra-5800ASSIGNED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.42.32/298NEW-TCCNew tech Compurters & communicationsASSIGNED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.42.40/298RAFIN-SATELLITERaffin Satellite Limited, Internet Service ProviderASSIGNED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.42.48/2816HELP-LINEHelp line, Kazi Nazrul Islam Road, Jhowtola, Bogra-5800ASSIGNED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.42.64/304THERAP-BDTherap Bangladesh Limited. Internet Service ProviderASSIGNED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.42.72/298RAFIN-SATELLITERaffin Satellite Limited, Internet Service ProviderASSIGNED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.42.80/2816UIU-DHKUnited International University, Dhaka CampusASSIGNED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.42.96/2732DRUTI-NETDruti Network Ltd. Internet Service ProviderALLOCATED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.42.128/2732UCSUnited Communication & Services LtdASSIGNED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.42.160/2732Communication-OneCommunication One Ltd., Banani, DhakaASSIGNED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.42.192/2664BUET-BDBUET, DhakaASSIGNED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.43.0/24256BTCL-DHAKA-Government-NetworkBTCL Dhaka government office network addressALLOCATED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.43.0/25128POLYTRADEPoly Trade International Ltd.ASSIGNED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.43.128/2732TELETALKTeleTalk Bangladesh Ltd.ASSIGNED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.43.192/2732AOLAdvanced Online Ltd.ASSIGNED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.43.224/2732DBN-NETDhaka Broadband Network Limited. Internet Service ProviderASSIGNED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.44.0/25128PLANNING-COMMISSIONPlanning Commission, Ministry of Planning, Government of BangladeshASSIGNED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.44.128/2664APCL-NETAsia Pacific Communication Ltd.ASSIGNED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.44.192/2664DESH-TECHDesh Technologies Ltd. Internet Service Provider.ALLOCATED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.45.0/2664NITLBD-NoorpurNoorpore IT LimitedASSIGNED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.45.64/2664LIBRABD-NETLibra Computer Aid.ALLOCATED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.45.128/2664SADIATECSadia Intertec Company Ltd.ALLOCATED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.45.192/2732DTECH-NETDTech Limited. House: 3, Road: 17, Block: C, Banani, Dhaka-1213ALLOCATED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.45.224/2732HRC-TECHHRC Technologies Ltd. House: 133, Road: 4, Block: A, Banani, Dhaka-1213ALLOCATED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.46.0/25128KOL-NETKarnafully Online Limited, Internet Service ProviderALLOCATED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.46.128/2732BRAC-UNIVERSITYBRAC University, DhakaALLOCATED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.46.160/2732DTECH-NETDTech Limited. House: 3, Road: 17, Block: C, Banani, Dhaka-1213ALLOCATED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.46.192/2664BJ-Trading-NetB.J. Trading Ltd., Internet Service Provider, Bashati AvenueALLOCATED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.47.0/24256BTCL-DHAKA-Government-NetworkBTCL Dhaka government office network addressALLOCATED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.47.0/25128GC-NETGrameen Communications, Internet Service ProviderASSIGNED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.47.128/2732CTS-NETChittagong Telecom Services. Internet Service Provider.ASSIGNED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.47.160/2732DBN-NETDhaka Broadband Network. Internet Service Provider.ASSIGNED NON-PORTABLE—irt@btcl.gov.bd
└ 123.49.47.192/2732ZERO-ONE-NETZero One Network, Chittagong. Internet Service Provider.ASSIGNED NON-PORTABLE—irt@btcl.gov.bd

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

2,048 addresses
TypeAddressesShareRanges
Business2,044>99%30
Residential40.20%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 123.49.0.0/18

Prefix
123.49.0.0/18
Announced by
AS17494 Telecom Operator & Internet Service Provider as well
Type
Residential
Proxy exits
103
Always-on exits
10
RPKI
RPKI valid
Netname
BTTB
Registrant
Bangladesh Telegraph & Telephone Board
RIR
APNIC
Origin network

AS17494

BD
Name
Telecom Operator & Internet Service Provider as well
Type
Internet provider
Registered
Dec 7, 2000
Domain
btcl.gov.bd
Website
www.btcl.gov.bd/en
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed