Data as of Nov 7, 2026
220.128.48.0/21
No anonymizer space · no proxy exits in 30 daysTaiwan Internet Gateway · space held by Data Communication Business Group
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 220.128.48.0/24 since Sep 2019 | AS9505 | Unknown | Data Communication Business Group | |
| 220.128.51.0/24 since Jun 2012 | AS33717 | Internet provider | Data Communication Business Group | |
| 220.128.55.0/24 since Sep 2023 | AS23675 | Business | 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@ |
| └ 220.128.0.0/18 | 16,384 | HINET-NET | Data Communication Business Group | ASSIGNED PORTABLE | — | hostmaster@ |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
2,048 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Unknown | 1,536 | 75% | 3 | |
| Business | 256 | 13% | 1 | |
| Internet provider | 256 | 13% | 1 |
Network & registry
IPv4 market
Holder
- Organization
- Data Communication Business Group
- Range
- 220.
128. 0. 0/ 12 - Registration type
- ALLOCATED PORTABLE
Origin network
AS9505
TW
- Name
- Taiwan Internet Gateway
- Type
- Internet provider
- Registered
- Mar 24, 1999
- Domain
- cht.com.tw
- Website
- www.cht.com.tw
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 220.128.48.0/21 | AS9505 | /24 | APNIC | RPKI valid |
| 220.128.0.0/18 | AS3462 | /24 | APNIC | Another network |
Whois
Registration for this announcement
- Range
- 220.
128. 0. 0/ 18 - Netname
- HINET-NET
- Registrant
- Data Communication Business Group
- Registrant country
- TW
- Organization
- Data Communication Business Group
- Org country
- TW
- Type
- ASSIGNED PORTABLE
- Created
- Not stated by the registry
- Updated
- Mar 24, 2026
- Maintainer
- MAINT-TW-TWNIC
- RIR
- APNIC
- Country
- TW
- Delegated
- Oct 9, 2002
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
twnic. tw - Name
- ABUSE TWNICAP
- Handle
- AT939-AP