Data as of Nov 6, 2026
61.66.0.0/18
No anonymizer space · no proxy exits in 30 daysNew Century InfoComm Tech Co., Ltd. · space held by Taiwan Network Information Center
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 61.66.0.0/17 since May 2005 | AS9919 | Residential | 6 1 always on | Taiwan Network Information Center | |
| 61.66.0.0/16 since Jan 2014 | AS9919 | Residential | 14 2 always on | Taiwan Network Information Center |
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 |
|---|---|---|---|---|
| 61.66.0.0/19 since Jan 2014 | AS9919 | Residential | Taiwan Network Information Center | |
| 61.66.8.0/24 since Jul 2026 | AS4780 | Residential | Taiwan Network Information Center | |
| 61.66.9.0/24 since Jul 2026 | AS4780 | Residential | Taiwan Network Information Center | |
| 61.66.11.0/24 since Jul 2026 | AS4780 | Residential | Taiwan Network Information Center | |
| 61.66.12.0/24 since Jul 2026 | AS4780 | Residential | Taiwan Network Information Center | |
| 61.66.15.0/24 since Jul 2026 | AS4780 | Residential | Taiwan Network Information Center | |
| 61.66.20.0/24 since May 2026 | AS4780 | Residential | Taiwan Network Information Center | |
| 61.66.21.0/24 since May 2026 | AS4780 | Residential | Taiwan Network Information Center | |
| 61.66.22.0/24 since May 2026 | AS4780 | Residential | Taiwan Network Information Center | |
| 61.66.23.0/24 since May 2026 | AS4780 | Residential | Taiwan Network Information Center | |
| 61.66.24.0/24 since May 2026 | AS4780 | Residential | Taiwan Network Information Center | |
| 61.66.26.0/24 since May 2026 | AS4780 | Residential | Taiwan Network Information Center | |
| 61.66.29.0/24 since Jan 2021 | AS9919 | Residential | Taiwan Network Information Center | |
| 61.66.31.0/24 since Jun 2024 | AS9919 | Residential | Taiwan Network Information Center | |
| 61.66.32.0/19 since Jan 2014 | AS9919 | Residential | Taiwan Network Information Center | |
| 61.66.33.0/24 since Jan 2026 | AS4780 | Residential | Taiwan Network Information Center | |
| 61.66.34.0/24 since Jan 2026 | AS4780 | Residential | Taiwan Network Information Center | |
| 61.66.38.0/24 since Jan 2026 | AS4780 | Residential | Taiwan Network Information Center | |
| 61.66.52.0/24 since Sep 2025 | AS4780 | Residential | Taiwan Network Information Center | |
| 61.66.53.0/24 since Sep 2025 | AS4780 | Residential | Taiwan Network Information Center | |
| 61.66.54.0/24 since Sep 2025 | AS4780 | Residential | Taiwan Network Information Center | |
| 61.66.55.0/24 since Sep 2025 | AS4780 | Residential | Taiwan Network Information Center | |
| 61.66.56.0/24 since Sep 2025 | AS4780 | Residential | Taiwan Network Information Center | |
| 61.66.58.0/24 since Sep 2025 | AS4780 | Residential | Taiwan Network Information Center | |
| 61.66.60.0/24 since Sep 2025 | AS4780 | Residential | Taiwan Network Information Center |
Network & registry
Origin network
AS9919
TW
- Name
- New Century InfoComm Tech Co., Ltd.
- Type
- Internet provider
- Registered
- Mar 28, 2000
- Domain
- seed.net.tw
- 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
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 61.66.0.0/16 | AS4780 | /24 | APNIC | Another network |
| 61.66.0.0/16 | AS9919 | /24 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 61.
66. 0. 0/ 16 - Netname
- TWNIC-TW
- Registrant
- Taiwan Network Information Center
- Registrant country
- TW
- Organization
- Taiwan Network Information Center
- Org country
- TW
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Feb 3, 2026
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- TW
- Delegated
- Feb 21, 2001
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
twnic. tw - Name
- ABUSE TWNICAP
- Handle
- AT939-AP