Data as of Nov 7, 2026
121.203.72.0/21
No anonymizer space · no proxy exits in 30 daysSmarTone Mobile Communications Ltd · space held by Smartone Mobile communications Limited
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 121.202.0.0/15 since Oct 2006 | AS17924 | Mobile | 2,022 4 always on | Smartone Mobile communications Limited |
Network & registry
Announced by
Covering announcement 121.203.64.0/18
- Prefix
- 121.203.64.0/18
- Announced by
- AS17924 SmarTone Mobile Communications Ltd
- Type
- Mobile
- RPKI
- RPKI valid
- Netname
- SMARTONE-MB
- Registrant
- Smartone Mobile communications Limited
- RIR
- APNIC
Origin network
AS17924
HK
- Name
- SmarTone Mobile Communications Ltd
- Type
- Internet provider
- Registered
- Sep 4, 2001
- Domain
- smartone.com
- Website
- www.smartone.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
121.203.64.0/18
Routing history
- Pattern
- Stable
- First seen
- Jul 2009
- Current origin since
- Jul 2009 · 17 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 121.203.64.0/18 | AS17924 | /18 | APNIC | RPKI valid |
| 121.202.0.0/15 | AS17924 | /15 | APNIC | Too specific |
Whois
Registration for this announcement
- Range
- 121.
202. 0. 0/ 15 - Netname
- SMARTONE-MB
- Registrant
- Smartone Mobile communications Limited
- Registrant country
- HK
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- May 16, 2020
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- HK
- Delegated
- Aug 7, 2006
- Status
- assigned
Report abuse
Abuse contact
- abuse@
ismart. net - Name
- ABUSE SMARTMOBILEHK
- Handle
- AS2092-AP