Data as of Nov 15, 2026
203.121.243.0/24
No anonymizer space · no proxy exits in 30 daysDaDa Broadband LTD.
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 |
|---|---|---|---|---|---|---|
| 203.121.224.0/19 | 8,192 | DADA-NET | Da da Broadband Ltd. | ALLOCATED PORTABLE | — | hostmaster@ |
| └ 203.121.240.0/20 | 4,096 | DADA-NET | DaDa Broadband Ltd. | ALLOCATED PORTABLE | — | noc@ |
Network & registry
Announced by
Covering announcement 203.121.240.0/20
- Prefix
- 203.121.240.0/20
- Announced by
- AS18419 DaDa Broadband LTD.
- Type
- Residential
- Proxy exits
- 46
- Always-on exits
- 2
- RPKI
- RPKI valid
- Netname
- DADA-NET
- Registrant
- DaDa Broadband Ltd.
- RIR
- APNIC
Registry
Holder
- Organization
- Da da Broadband Ltd.
- Range
- 203.
121. 224. 0/ 19 - Registration type
- ALLOCATED PORTABLE
Origin network
AS18419
TW
- Name
- DaDa Broadband LTD.
- Type
- Internet provider
- Registered
- Dec 20, 2002
- Domain
- dadabroadband.com
- Website
- www.dadabroadband.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 203.121.240.0/20
203.121.240.0/20
Routing history
- Pattern
- Reactivated
- First seen
- May 2006
- Current origin since
- Mar 2026 · 8 mo
- Origin networks
- 2
- Last change of origin
- Mar 2026
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.121.240.0/20 | AS4780 | /24 | APNIC | Another network |
| 203.121.240.0/20 | AS18419 | /24 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 203.
121. 240. 0/ 20 - Netname
- DADA-NET
- Registrant
- DaDa Broadband Ltd.
- Registrant country
- TW
- Organization
- DaDa Broadband Ltd.
- Org country
- TW
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Dec 3, 2025
- Maintainer
- MAINT-TW-TWNIC
- RIR
- APNIC
- Country
- TW
- Delegated
- Apr 19, 2006
- Status
- assigned
Report abuse
Abuse contact
- noc@
dmg. tv - Name
- TWNIC ROLE-SIGMA
- Handle
- TR538-AP