Data as of Nov 5, 2026
61.57.32.0/19
No anonymizer space · no proxy exits in 30 daysData Communication Business Group · space held by Taiwan Network Information Center
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 |
|---|---|---|---|---|---|---|
| 61.56.0.0/13 | 524,288 | TWNIC-TW | Taiwan Network Information Center | ALLOCATED PORTABLE | — | hostmaster@ |
| └ 61. | 16,384 | TWNIC-TW | Taiwan Network Information Center | ALLOCATED PORTABLE | — | hostmaster@ |
| └ 61.57.32.0/19 | 8,192 | GSN-NET | Government Service Network (GSN) | ALLOCATED PORTABLE | — | hostmaster@ |
Network & registry
IPv4 market
Holder
- Organization
- Taiwan Network Information Center
- Range
- 61.
56. 0. 0/ 13 - Registration type
- ALLOCATED PORTABLE
Origin network
AS4782
TW
- Name
- Data Communication Business Group
- Type
- Internet provider
- Registered
- Jul 9, 1996
- Domain
- cht.com.tw
- Website
- www.cht.com.tw/en/
- 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 |
|---|---|---|---|---|
| 61.57.32.0/19 | AS4782 | /19 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 61.
57. 32. 0/ 19 - Netname
- GSN-NET
- Registrant
- Government Service Network (GSN)
- Registrant country
- TW
- Organization
- Government Service Network (GSN)
- 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
- Feb 21, 2001
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
twnic. tw - Name
- ABUSE TWNICAP
- Handle
- AT939-AP