Data as of Nov 6, 2026
220.128.72.0/24
No anonymizer space · no proxy exits in 30 daysData Communication Business Group
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 220.128.64.0/20 since Oct 2005 | AS10126 | Unknown | Data Communication Business Group |
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 |
|---|---|---|---|---|---|---|
| 220.128.0.0/12 | 1,048,576 | HINET-NET | Data Communication Business Group | ALLOCATED PORTABLE | — | hostmaster@ |
| └ 220. | 49,152 | HINET-NET | CHTD, Chunghwa Telecom Co.,Ltd. | ALLOCATED PORTABLE | — | hostmaster@ |
Network & registry
IPv4 market
Holder
- Organization
- Data Communication Business Group
- Range
- 220.
128. 0. 0/ 12 - Registration type
- ALLOCATED PORTABLE
Origin network
AS3462
TW
- Name
- Data Communication Business Group
- Type
- Internet provider
- Registered
- Aug 1, 2002
- Domain
- cht.com.tw
- Website
- www.cht.com.tw/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- Tor exits
- 3
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2021
- Current origin since
- Nov 2021 · 4.9 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 220.128.72.0/24 | AS3462 | /24 | APNIC | RPKI valid |
| 220.128.64.0/20 | AS10126 | /24 | APNIC | Another network |
| 220.128.64.0/18 | AS3462 | /24 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS3462 | RADB | (HiNet) Chunghwa Telecom Co., Ltd. | MAINT-AS3462 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 220.
128. 64. 0 - 220. 128. 255. 255 - Netname
- HINET-NET
- Registrant
- CHTD, Chunghwa Telecom Co.,Ltd.
- Registrant country
- TW
- Organization
- CHTD, Chunghwa Telecom 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
- Jun 9, 2003
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
twnic. tw - Name
- ABUSE TWNICAP
- Handle
- AT939-AP