Data as of Nov 15, 2026
61.61.236.0/22
No anonymizer space · no proxy exits in 30 daysUnion Broadband Network · space held by Taiwan Network Information Center
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 61.61.232.0/21 since Feb 2023 | AS24164 | Residential | Taiwan Network Information Center | |
| 61.61.224.0/20 since Feb 2023 | AS24164 | Residential | 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. | 8,192 | ELANET-NET | Union Cable TV CO.,LTD. | 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
AS24163
TW
- Name
- Union Broadband Network
- Type
- Internet provider
- Registered
- Jul 11, 2005
- Domain
- twmbroadband.com
- Website
- www.twmbroadband.com/
- 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
- Mar 2021
- Current origin since
- Jul 2025 · 1.3 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 61.61.236.0/22 | AS24163 | /22 | APNIC | RPKI valid |
| 61.61.224.0/20 | AS24164 | /24 | APNIC | Another network |
| 61.61.224.0/20 | AS24164 | /21 | APNIC | Another network |
| 61.61.224.0/20 | AS4662 | /20 | APNIC | Another network |
Whois
Registration for this announcement
- Range
- 61.
61. 236. 0/ 22 - Netname
- UBBNET-NET
- Registrant
- TFN Media Co., Ltd.
- Registrant country
- TW
- Organization
- TFN Media Co., Ltd.
- Org country
- TW
- Type
- ASSIGNED NON-PORTABLE
- Created
- Not stated by the registry
- Maintainer
- MAINT-TW-TWNIC
- RIR
- APNIC
- Country
- TW
- Delegated
- Feb 21, 2001
- Status
- assigned
Report abuse
Abuse contact
- abuse@
twmbroadband. net - Name
- IRT-UBBNET-TW
- Handle
- IRT-UBBNET-TW