Data as of Nov 6, 2026
123.49.8.0/21
1 residential-proxy exit · 30 daysTelecom Operator & Internet Service Provider as well · space held by Bangladesh Telegraph & Telephone Board
Residential-proxy exits
Proxy exits
1
0.05% of its addresses · 30 days
Spread
1 of 8
/24s with at least one exit
Providers
19
selling exits here
Oct 7, 2026 – Nov 5, 2026
Exits seen per day
5 observations
Proxy providers listing exits
- BottingTools
- BuyingProxy
- DataImpulse
- Evomi
- FlashProxy
- GeekProxy
- Geonode
- IPOasis
- InfiniteProxies
- PSBProxy
- PrivateByte
- Proxies.fo
- Proxmint
- Proxy4U
- ProxyGeo
- Q2IP
- ResiProxies
- VProxy
- VibeProxies
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 123.49.11.0/24 since Aug 2025 | AS17494 | Residential | Bangladesh Telegraph & Telephone Board | |
| 123.49.12.0/24 since Nov 2020 | AS17494 | Internet provider | Bangladesh Telegraph & Telephone Board via BTCL IP equipment loopback address | |
| 123.49.15.0/24 since Jun 2020 | AS17494 | Residential | Bangladesh Telegraph & Telephone Board |
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@ |
| └ 123.49.12.0/23 | 512 | BTCL-Loopback-Address | BTCL IP equipment loopback address | ALLOCATED 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 | 1,792 | 88% | 4 | |
| Internet provider | 256 | 13% | 1 |
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