Data as of Nov 5, 2026
72.57.133.0/24
Anonymizer · ISP proxyHong Kong Cable TV Ltd - Cable Multi-Media Services · space held by Skyline Networks Company Limited
Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
Recent change
New origin Oct 22, 2026
its first announcement on record
IPv4 market
Path
Announced by AS142115 since Oct 22, 2026 · 2 wk ago
3 · Announced by
AS142115 Hong Kong Cable TV Ltd - Cable Multi-Media Services
since Oct 22, 2026 · 2 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
Owners leasing their own space
| Name | In 72.57.133.0/24 | /24s |
|---|---|---|
| Skyline Networks Company Limited | 256100% | 1 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
72.57.133.0/24
From the registry to its use
- Oct 22, 2026– today
- todayRegistry recordSkyline Networks Company LimitedALLOCATED PORTABLE72.57.128.0/17
- todayReallocatedPCCW Global, Inc.ALLOCATED NON-PORTABLE72.57.132.0/23
- todayRoute objectAS3491 PCCW Global (HK) Ltd.APNIC route object for AS3491 PCCW Global (HK) Ltd., maintainer MAINT-SKYLINE1-HK
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 |
|---|---|---|---|---|---|---|
| 72.57.128.0/17 | 32,768 | SKYLINE1-HK | Skyline Networks Company Limited (ORG-SNCL3-AP) · HK | ALLOCATED PORTABLE | — | noc@ |
| └ 72.57.128.0/18 | 16,384 | Hong_ | Hong Kong Cable Television Limited | ALLOCATED NON-PORTABLE | — | noc@ |
| └ 72.57.132.0/23 | 512 | PCCW_ | PCCW Global, Inc. | ALLOCATED NON-PORTABLE | — | noc@ |
Network & registry
IPv4 market
Holder
- Organization
- Skyline Networks Company Limited
- Handle
- ORG-SNCL3-AP
- Range
- 72.
57. 128. 0/ 17 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- PCCW Global, Inc.
- Reallocated range
- 72.
57. 132. 0/ 23 - Reallocation type
- ALLOCATED NON-PORTABLE
Origin network
AS142115
HK
- Name
- Hong Kong Cable TV Ltd - Cable Multi-Media Services
- Type
- Hosting
- Registered
- Apr 23, 2021
- Domain
- hkcable.com.hk
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 22, 2026
- Current origin since
- Oct 22, 2026 · under a month
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 72.57.133.0/24 | AS142115 | /24 | APNIC | RPKI valid |
| 72.57.132.0/23 | AS3491 | /24 | APNIC | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS3491 not the origin | APNIC | PCCW Global, Inc. | MAINT-SKYLINE1-HK | Dec 19, 2025 |
Whois
Registration for this announcement
- Range
- 72.
57. 132. 0/ 23 - Netname
- PCCW_
Global_ Inc - Registrant
- PCCW Global, Inc.
- Registrant country
- HK
- Organization
- PCCW Global, Inc.
- Org country
- HK
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Dec 19, 2025
- Maintainer
- MAINT-SKYLINE1-HK
- RIR
- APNIC
- Country
- HK
- Delegated
- Feb 26, 2008
- Status
- assigned
Report abuse
Abuse contact
- noc@
skyline-idc. com - Name
- ABUSE SKYLINE1HK
- Handle
- AS2235-AP