Data as of Nov 12, 2026
121.54.72.0/22
No anonymizer space · no proxy exits in 30 daysSmart Broadband, Inc.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 121.54.0.0/17 since Nov 2006 | AS10139 | Mobile | Smart Broadband, Inc. |
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 |
|---|---|---|---|---|---|---|
| 121.54.0.0/17 | 32,768 | SMARTBRO-PH | Smart Broadband, Inc. (ORG-SBI2-AP) · PH | ALLOCATED PORTABLE | — | allsmarttscipbb@ |
Network & registry
Announced by
Covering announcement 121.54.64.0/20
- Prefix
- 121.54.64.0/20
- 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
Covering aggregate above, the prefix's own history below
121.54.64.0/20
Routing history
- Pattern
- Stable
- First seen
- Sep 2010
- Current origin since
- Nov 2024 · 2.0 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 |
Whois
Registration for this announcement
- Range
- Not stated by the registry
- Netname
- SMARTBRO-PH
- Registrant
- Smart Broadband, Inc.
- Registrant country
- PH
- Organization
- Not stated by the registry
- Created
- Not stated by the registry
- RIR
- APNIC
- Country
- PH
- Delegated
- Jun 19, 2006
- Status
- assigned