Data as of Nov 7, 2026
104.143.45.0/24
No anonymizer space · no proxy exits in 30 daysHong Kong Communications International Co., Limited · space held by Prime Security Corp.
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 |
|---|---|---|---|---|---|---|
| 104.143.32.0/20 | 4,096 | PSC-594 | Prime Security Corp. (PSC-594) · US | Direct Allocation | Sep 5, 2023 | abuse@ |
| └ 104.143.40.0/21 | 2,048 | UDC | Hong Kong Communications International Co., Limited (C10485170) · HK | Reassigned | Nov 30, 2023 | abuse@ via PSC-594 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Registry
Holder
- Organization
- Prime Security Corp.
- Handle
- PSC-594
- Range
- 104.
143. 32. 0/ 20 - Registration type
- Direct Allocation
- Record created
- Sep 5, 2023
Origin network
AS140227
HK
- Name
- Hong Kong Communications International Co., Limited
- Type
- Hosting
- Registered
- Feb 21, 2020
- Domain
- udc.hk
- Website
- www.udc.hk
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Nov 2014
- Current origin since
- Dec 2025 · 11 mo
- Origin networks
- 6
- Last change of origin
- Dec 2025
Recorded history
History
- Handoffs
- 7
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 104.143.32.0/20 | AS8796 | /24 | ARIN | Another network |
| 104.143.32.0/20 | AS40115 | /24 | ARIN | Another network |
| 104.143.32.0/20 | AS137535 | /24 | ARIN | Another network |
| 104.143.32.0/20 | AS140227 | /24 | ARIN | RPKI valid |
| 104.143.32.0/20 | AS153517 | /24 | ARIN | Another network |
| 104.143.32.0/20 | AS400618 | /24 | ARIN | Another network |
| 104.143.32.0/20 | AS395886 | /20 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 104.
143. 40. 0/ 21 - Netname
- UDC
- Registrant
- Hong Kong Communications International Co., Limited
- Organization
- Hong Kong Communications International Co., Limited (C10485170)
- Type
- Reassigned
- Handle
- NET-104-143-40-0-1
- Parent
- NET-104-143-32-0-1
- Created
- Nov 30, 2023
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 5, 2023
- Status
- assigned
Report abuse
Abuse contact
- abuse@
primesecuritycorp. com - Name
- Abuse
- Phone
- +1-326-266-6888
- Handle
- ABUSE8852-ARIN