Data as of Nov 6, 2026
123.49.56.0/21
13 residential-proxy exits · 30 daysTelecom Operator & Internet Service Provider as well · space held by Bangladesh Telegraph & Telephone Board
Residential-proxy exits
Proxy exits
13
0.63% of its addresses · 30 days
Always-on exits
1
7.7% of its exits
Spread
4 of 8
/24s with at least one exit
Providers
54
selling exits here
Oct 7, 2026 – Nov 5, 2026
Exits seen per day
6.3K observations
- Residential
- Business
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 123.49.61.0/24 | 1 | 2 | |
| 123.49.60.0/24 | 0 | 6 | |
| 123.49.62.0/24 | 0 | 3 | |
| 123.49.58.0/24 | 0 | 1 |
Proxy providers listing exits
- 2Captcha
- 711Proxy
- Ake.net
- AnyIP
- BestProxy
- BirdProxies
- BottingTools
- ByteProxies
- Byteful
- CatProxies
- Decodo
- EZProxies
- EnigmaProxy
- FastProxy
- FlashProxy
- FloppyData
- GSocks
- Geonode
- GonzoProxy
- HideProxy
- IPFly
- IPPeak
- Infatica
- InfiniteProxies
- KocerRoxy
- Kookey
- LemonBright
- MangoProxy
- NSocks
- NiuProxy
- NodeProxy
- NovaProxy
- Novada
- Oxylabs
- ProxiesVision
- Proxy-Seller
- ProxyEmpire
- ProxyGeo
- ProxyRack
- ProxyWing
- Proxyma
- PuraRoute
- RainProxy
- RapidProxy
- RolaProxy
- Shifter
- Smartproxy
- StrikeProxy
- SwiftProxy
- TalorData
- Thordata
- ThunderProxy
- VantageProxies
- VitalExclusive
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 123.49.56.0/24 since Feb 2020 | AS45607 | Internet provider | Bangladesh Telegraph & Telephone Board via BTCL Dhaka ISP network address | ||
| 123.49.57.0/24 since Jul 2023 | AS17494 | Residential | Bangladesh Telegraph & Telephone Board via BTCL Dhaka ISP network address | ||
| 123.49.60.0/24 since Mar 2025 | AS17494 | Residential | 6 | Bangladesh Telegraph & Telephone Board via BTCL Dhaka ISP network address |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 123.49.0.0/18 | 16,384 | BTTB | Bangladesh Telegraph & Telephone Board (ORG-BTTB1-AP) · BD | ALLOCATED PORTABLE | — | irt@ |
| └ 123.49.48.0/20 | 4,096 | BTCL-DHAKA-ISP-Network | BTCL Dhaka ISP network address | ALLOCATED NON-PORTABLE | — | irt@ |
| └ 123.49.56.0/26 | 64 | THREEG-SOLUTION | 3G Solution Ltd., Internet Service Provider, B.N. Tower (6th | ASSIGNED NON-PORTABLE | — | irt@ |
| └ 123.49.56.64/26 | 64 | XENIAL-BROADBAND | Xenial Broadband, Internet Service Provider, Haque Chamber | ASSIGNED NON-PORTABLE | — | irt@ |
| └ 123.49.56.128/25 | 128 | ITConnect | Planers Tower | ASSIGNED NON-PORTABLE | — | irt@ |
| └ 123.49.57.0/25 | 128 | PTISL | Peoples Telecommunication and Information Systems Ltd | ASSIGNED NON-PORTABLE | — | irt@ |
| └ 123.49.57.128/26 | 64 | TSN-ONLINE-BD | TSN Online BD. Internet Service Provider. | ASSIGNED NON-PORTABLE | — | irt@ |
| └ 123.49.57.192/28 | 16 | TRIANGLE-SERVICES | Triangle Services Ltd. Internet Service Provider. | ASSIGNED NON-PORTABLE | — | irt@ |
| └ 123.49.57.208/28 | 16 | EARTHLINK-CTG | Earth Link Ltd. Internet Service Provider. | ASSIGNED NON-PORTABLE | — | irt@ |
| └ 123.49.57.224/28 | 16 | ICT-INCUBATOR | ICT Incubator, Ministry of ICT | ASSIGNED NON-PORTABLE | — | irt@ |
| └ 123.49.58.0/26 | 64 | POLYIT-BD | Poly IT Ltd. Internet Service Provider | ASSIGNED NON-PORTABLE | — | irt@ |
| └ 123.49.58.64/27 | 32 | DRUTI-NET | Druti Network Ltd. Internet Service Provider | ASSIGNED NON-PORTABLE | — | irt@ |
| └ 123.49.58.96/27 | 32 | I-NET | I-NET Ltd. Internet Service Provider | ASSIGNED NON-PORTABLE | — | irt@ |
| └ 123.49.58.128/27 | 32 | EARTHLINK-CTG | Earth Link Ltd. Internet Service Provider | ASSIGNED NON-PORTABLE | — | irt@ |
| └ 123.49.58.160/27 | 32 | AOL | Advance Online Ltd. Internet Service Provider | ASSIGNED NON-PORTABLE | — | irt@ |
| └ 123.49.58.192/26 | 64 | AOL | Advance Online Ltd. Internet Service Provider | ASSIGNED NON-PORTABLE | — | irt@ |
| └ 123.49.59.0/27 | 32 | SKYBD-BD | Skybd Ltd. Internet Service Provider | ASSIGNED NON-PORTABLE | — | irt@ |
| └ 123.49.59.32/27 | 32 | ARENA-INFOTECH | Arena Infotech Ltd. Internet Service Provider | ASSIGNED NON-PORTABLE | — | irt@ |
| └ 123.49.59.64/28 | 16 | GTL-BD | Globlal Technology Ltd. Internet Service Provider | ASSIGNED NON-PORTABLE | — | irt@ |
| └ 123.49.59.96/28 | 16 | IP-VISION | IP Vision Ltd. Internet Service Provider | ASSIGNED NON-PORTABLE | — | irt@ |
| └ 123.49.59.128/26 | 64 | BCC-DIITA | Bangladesh Computer Council, MoICT | ASSIGNED NON-PORTABLE | — | irt@ |
| └ 123.49.60.0/24 | 256 | BTCL-DDN-INTERFACE | Interface for the BTCL Internet customers connected through DDN | ASSIGNED NON-PORTABLE | — | irt@ |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
2,048 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 1,136 | 55% | 6 | |
| Business | 912 | 45% | 19 |
Network & registry
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
Routing timeline
Who has announced 123.49.0.0/18
123.49.0.0/18
Routing history
- Pattern
- Stable
- First seen
- Nov 2006
- Current origin since
- Nov 2006 · 20 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 123.49.0.0/18 | AS17494 | /24 | APNIC | RPKI valid |
| 123.49.0.0/18 | AS45588 | /24 | APNIC | Another network |
Whois
Registration for this announcement
- Range
- 123.
49. 0. 0/ 18 - Netname
- BTTB
- Registrant
- Bangladesh Telegraph & Telephone Board
- Registrant country
- BD
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Jan 18, 2021
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- BD
- Delegated
- Sep 27, 2006
- Status
- assigned
Report abuse
Abuse contact
- irt@
btcl. gov. bd - Name
- ABUSE BTTBBD
- Handle
- AB1235-AP