Data as of Nov 5, 2026
72.57.128.0/22
Anonymizer · ISP proxy3 residential-proxy exits · 30 daysPCCW Global (HK) Ltd. · space held by Skyline Networks Company Limited
Residential-proxy exits
Proxy exits
3
0.29% of its addresses · 30 days
Spread
1 of 4
/24s with at least one exit
Providers
2
selling exits here
Oct 6, 2026 – Nov 4, 2026
Exits seen per day
10 observations
Proxy providers listing exits
- DataImpulse
- Proxmint
IPv4 market
Path
Operators, sellers and brokers
Proxy providers
| Name | Parent | In 72.57.128.0/22 | /24s |
|---|---|---|---|
| QuarkIP | 25625% | 1 |
Leased from
Owners leasing their own space
| Name | In 72.57.128.0/22 | /24s |
|---|---|---|
| Skyline Networks Company Limited | 1,024100% | 4 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
72.57.128.0/22
From the registry to its use
- Dec 14, 2025– today
- todayRegistry recordSkyline Networks Company LimitedALLOCATED PORTABLE72.57.128.0/17
- todayReallocatedPCCW Global, Inc.ALLOCATED NON-PORTABLE72.57.128.0/22
- todayRoute objectAS3491 PCCW Global (HK) Ltd.APNIC route object for AS3491 PCCW Global (HK) Ltd., maintainer MAINT-SKYLINE1-HK
- todayRoute objectAS3491 PCCW Global (HK) Ltd.APNIC route object for AS3491 PCCW Global (HK) Ltd., maintainer MAINT-SKYLINE1-HK72.57.128.0/23
- todayRoute objectAS3491 PCCW Global (HK) Ltd.APNIC route object for AS3491 PCCW Global (HK) Ltd., maintainer MAINT-SKYLINE1-HK72.57.128.0/24
- todayRoute objectAS3491 PCCW Global (HK) Ltd.APNIC route object for AS3491 PCCW Global (HK) Ltd., maintainer MAINT-SKYLINE1-HK72.57.129.0/24
- todayRoute objectAS3491 PCCW Global (HK) Ltd.APNIC route object for AS3491 PCCW Global (HK) Ltd., maintainer MAINT-SKYLINE1-HK72.57.130.0/23
- todayRoute objectAS3491 PCCW Global (HK) Ltd.APNIC route object for AS3491 PCCW Global (HK) Ltd., maintainer MAINT-SKYLINE1-HK72.57.130.0/24
- todayRoute objectAS3491 PCCW Global (HK) Ltd.APNIC route object for AS3491 PCCW Global (HK) Ltd., maintainer MAINT-SKYLINE1-HK72.57.131.0/24
- todayUsedQuarkIPProxy seller
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@ |
| └ 72.57.128.0/22 | 1,024 | PCCW_ | PCCW Global, Inc. | ALLOCATED NON-PORTABLE | — | noc@ |
| └ 72.57.128.0/24 | 256 | 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. 128. 0/ 22 - Reallocation type
- ALLOCATED NON-PORTABLE
Origin network
AS3491
HK
- Name
- PCCW Global (HK) Ltd.
- Type
- Internet provider
- Registered
- Mar 21, 1994
- Domain
- pccwglobal.com
- Website
- www.pccwglobal.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2025
- Current origin since
- Dec 2025 · 11 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 72.57.128.0/22 | AS3491 | /24 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS3491 | APNIC | PCCW Global, Inc. | MAINT-SKYLINE1-HK | Dec 19, 2025 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 72.57.128.0/23 | AS3491 | APNIC | PCCW Global, Inc. | MAINT-SKYLINE1-HK | Dec 19, 2025 |
| 72.57.128.0/24 | AS3491 | APNIC | PCCW Global, Inc. | MAINT-SKYLINE1-HK | Dec 19, 2025 |
| 72.57.129.0/24 | AS3491 | APNIC | PCCW Global, Inc. | MAINT-SKYLINE1-HK | Dec 19, 2025 |
| 72.57.130.0/23 | AS3491 | APNIC | PCCW Global, Inc. | MAINT-SKYLINE1-HK | Dec 19, 2025 |
| 72.57.130.0/24 | AS3491 | APNIC | PCCW Global, Inc. | MAINT-SKYLINE1-HK | Dec 19, 2025 |
| 72.57.131.0/24 | AS3491 | APNIC | PCCW Global, Inc. | MAINT-SKYLINE1-HK | Dec 19, 2025 |
Whois
Registration for this announcement
- Range
- 72.
57. 128. 0/ 22 - 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