Data as of Nov 5, 2026
61.58.64.0/24
No anonymizer space · no proxy exits in 30 daysTBC · space held by Taiwan Network Information Center
Registrations in this block
The registry's network records over this block, widest first, each 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@ |
| └ 61.58.64.0/20 | 4,096 | TBC-TW | Taiwan Broadband Communications, Co., Ltd. | ALLOCATED PORTABLE | — | hostmaster@ |
Network & registry
Announced by
Covering announcement 61.58.64.0/22
- Prefix
- 61.58.64.0/22
- Announced by
- AS131596 TBC
- Type
- Residential
- Proxy exits
- 16
- RPKI
- RPKI valid
- Netname
- TBC-TW
- Registrant
- Taiwan Broadband Communications, Co., Ltd.
- RIR
- APNIC
IPv4 market
Holder
- Organization
- Taiwan Network Information Center
- Range
- 61.
56. 0. 0/ 13 - Registration type
- ALLOCATED PORTABLE
Origin network
AS131596
TW
- Name
- TBC
- Type
- Internet provider
- Registered
- Jul 21, 2011
- Domain
- tbc.net.tw
- Website
- www.tbc.net.tw
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 61.58.64.0/22
61.58.64.0/22
Routing history
- Pattern
- Stable
- First seen
- Apr 2008
- Current origin since
- Mar 2016 · 11 yr
- Origin networks
- 2
- Last change of origin
- Mar 2016
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 61.58.64.0/21 | AS17709 | /24 | APNIC | Another network |
| 61.58.64.0/21 | AS131596 | /24 | APNIC | RPKI valid |
| 61.58.64.0/20 | AS17709 | /24 | APNIC | Another network |
| 61.58.64.0/20 | AS131596 | /24 | APNIC | RPKI valid |
IRR
Route objects on 61.58.64.0/22
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS131596 | RADB | SeedNet Proxy-registered route object (Customer Route: TBC.) | MAINT-AS4780 | Sep 4, 2026 |
Whois
Registration for this announcement
- Range
- 61.
58. 64. 0/ 20 - Netname
- TBC-TW
- Registrant
- Taiwan Broadband Communications, Co., Ltd.
- Registrant country
- TW
- Organization
- Taiwan Broadband Communications, 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
- Feb 21, 2001
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
twnic. tw - Name
- ABUSE TWNICAP
- Handle
- AT939-AP