Data as of Nov 3, 2026
203.79.207.0/24
No anonymizer space · no proxy exits in 30 daysAmbit Microsystem Corporation · space held by Asia Pacific On-line Services Inc.
Announcement
this exact prefix
RPKI valid
Announced by
Type
Mobile
Risk
10 / 100 · Low
Shared address
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 203.79.192.0/18 since May 2005 | AS7482 | Residential | 1 | Asia Pacific On-line Services Inc. | |
| 203.79.128.0/17 since May 2005 | AS7482 | Residential | 9 | Asia Pacific On-line Services Inc. |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 203.79.128.0/17 | 32,768 | APOL | Asia Pacific On-line Services Inc. | ALLOCATED PORTABLE | — | [email protected] |
| └ 203.79.192.0/19 | 8,192 | FET | Far EasTone Telecommunication Co., Ltd. | ASSIGNED PORTABLE | — | [email protected] |
Network & registry
Registry
Holder
- Organization
- Asia Pacific On-line Services Inc.
- Range
- 203.79.128.0/17
- Registration type
- ALLOCATED PORTABLE
Origin network
AS131591
TW
- Name
- Ambit Microsystem Corporation
- Type
- Internet provider
- Registered
- Jul 21, 2011
- Domain
- ambit.com.tw
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2017
- Current origin since
- Nov 2017 · 8.9 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 203.79.206.0/23 | AS131591 | /24 | APNIC | RPKI valid |
| 203.79.192.0/18 | AS7482 | /24 | APNIC | Another network |
| 203.79.128.0/17 | AS7482 | /24 | APNIC | Another network |
| 203.79.128.0/17 | AS17709 | /24 | APNIC | Another network |
| 203.79.128.0/17 | AS17709 | /18 | APNIC | Another network |
Whois
Registration for this announcement
- Range
- 203.79.192.0/19
- Netname
- FET
- Registrant
- Far EasTone Telecommunication Co., Ltd.
- Registrant country
- TW
- Organization
- Far EasTone Telecommunication Co., Ltd.
- Org country
- TW
- Type
- ASSIGNED PORTABLE
- Created
- Not stated by the registry
- Updated
- Apr 7, 2026
- Maintainer
- MAINT-TW-TWNIC
- RIR
- APNIC
- Country
- TW
- Delegated
- Mar 10, 1998
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- IRT-FET-TW
- Handle
- IRT-FET-TW