Data as of Nov 6, 2026
121.54.56.0/22
No anonymizer space · no proxy exits in 30 daysSmart Broadband, Inc.
Network & registry
Announced by
Covering announcement 121.54.0.0/17
- Prefix
- 121.54.0.0/17
- Announced by
- AS10139 Smart Broadband, Inc.
- Type
- Mobile
- RPKI
- RPKI valid
- Netname
- SMARTBRO-PH
- Registrant
- Smart Broadband, Inc.
- RIR
- APNIC
Origin network
AS10139
PH
- Name
- Smart Broadband, Inc.
- Type
- Internet provider
- Registered
- Nov 21, 2006
- Domain
- smart.com.ph
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 121.54.0.0/17
121.54.0.0/17
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 |
|---|---|---|---|---|
| 121.54.0.0/17 | AS10139 | /24 | APNIC | RPKI valid |
IRR
Route objects on 121.54.0.0/17
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS10139 | NTTCOM | Weroam Meridian | MAINT-PLDT | Jun 21, 2006 |
Whois
Registration for this announcement
- Range
- 121.
54. 0. 0/ 17 - Netname
- SMARTBRO-PH
- Registrant
- Smart Broadband, Inc.
- Registrant country
- PH
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Oct 20, 2020
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- PH
- Delegated
- Jun 19, 2006
- Status
- assigned
Report abuse
Abuse contact
- allsmarttscipbb@
smart. com. ph - Name
- ABUSE SMARTBROPH
- Handle
- AS2810-AP