Data as of Nov 9, 2026
61.31.224.0/20
No anonymizer space · no proxy exits in 30 daysTaiwan Fixed Network, Telco and Network Service Provider. · space held by Taiwan Fixed Network CO.,LTD.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 61.31.0.0/16 since Aug 2016 | AS9924 | Business | 14 1 always on | Taiwan Fixed Network CO.,LTD. |
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 61.31.224.0/24 since Dec 2018 | AS9924 | Internet provider | Taiwan Fixed Network CO.,LTD. | |
| 61.31.225.0/24 since Feb 2021 | AS9924 | Business | Taiwan Fixed Network CO.,LTD. | |
| 61.31.226.0/24 since Aug 2022 | AS9924 | Business | Taiwan Fixed Network CO.,LTD. | |
| 61.31.227.0/24 since Dec 2018 | AS9924 | Business | Taiwan Fixed Network CO.,LTD. | |
| 61.31.228.0/24 since Dec 2018 | AS9924 | Business | Taiwan Fixed Network CO.,LTD. | |
| 61.31.229.0/24 since Feb 2021 | AS9924 | Business | Taiwan Fixed Network CO.,LTD. | |
| 61.31.230.0/24 since Feb 2021 | AS9924 | Business | Taiwan Fixed Network CO.,LTD. | |
| 61.31.231.0/24 since Feb 2021 | AS9924 | Business | Taiwan Fixed Network CO.,LTD. | |
| 61.31.232.0/24 since Feb 2021 | AS9924 | Business | Taiwan Fixed Network CO.,LTD. | |
| 61.31.234.0/24 since May 2021 | AS9924 | Business | Taiwan Fixed Network CO.,LTD. | |
| 61.31.235.0/24 since Dec 2018 | AS9924 | Business | Taiwan Fixed Network CO.,LTD. | |
| 61.31.236.0/24 since Feb 2021 | AS9924 | Business | Taiwan Fixed Network CO.,LTD. | |
| 61.31.237.0/24 since Feb 2021 | AS9924 | Internet provider | Taiwan Fixed Network CO.,LTD. | |
| 61.31.238.0/24 since Dec 2020 | AS9924 | Business | Taiwan Fixed Network CO.,LTD. | |
| 61.31.239.0/24 since Feb 2021 | AS9924 | Business | Taiwan Fixed Network CO.,LTD. |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
4,096 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Business | 3,584 | 88% | 14 | |
| Internet provider | 512 | 13% | 2 |
Network & registry
Origin network
AS9924
TW
- Name
- Taiwan Fixed Network, Telco and Network Service Provider.
- Type
- Internet provider
- Registered
- Mar 28, 2000
- Domain
- taiwanmobile.com
- Website
- www.taiwanmobile.com
- 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
- Dec 2010
- Current origin since
- Aug 2016 · 10 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 61.31.0.0/16 | AS9924 | /24 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS9924 | NTTCOM | Taiwan Fixed Network | MAINT-AS9924 | Nov 30, 2010 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 61.31.224.0/21 | AS9924 | RADB | Proxy-registered route object (IDC) | MAINT-AS9924 | Apr 17, 2026 |
| 61.31.224.0/21 | AS9924 | NTTCOM | Proxy-registered route object (IDC) | MAINT-AS9924 | May 7, 2020 |
| 61.31.232.0/21 | AS9924 | RADB | Proxy-registered route object (IDC) | MAINT-AS9924 | Apr 17, 2026 |
| 61.31.232.0/21 | AS9924 | NTTCOM | Proxy-registered route object (IDC) | MAINT-AS9924 | May 7, 2020 |
| 61.31.233.0/24 | AS9924 | RADB | Taiwan Fixed Network | MAINT-AS9924 | Apr 17, 2026 |
| 61.31.233.0/24 | AS9924 | NTTCOM | Taiwan Fixed Network | MAINT-AS9924 | Jul 31, 2015 |
Whois
Registration for this announcement
- Range
- 61.
31. 0. 0/ 16 - Netname
- TFN-NET
- Registrant
- Taiwan Fixed Network CO.,LTD.
- Registrant country
- TW
- Organization
- Taiwan Fixed Network CO.,LTD.
- Org country
- TW
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Nov 7, 2025
- Maintainer
- MAINT-TW-TWNIC
- RIR
- APNIC
- Country
- TW
- Delegated
- Apr 2, 2002
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
twnic. tw - Name
- ABUSE TWNICAP
- Handle
- AT939-AP