Data as of Nov 8, 2026
43.251.20.0/22
256 anonymizer addresses · 25% · ISP proxyHKBN Enterprise Solutions HK Limited
IPv4 market
Path
1 · Holder
2 · Leased from
not leased
4 · Use
Internet provider
anonymizer space, operator not named
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
43.251.20.0/22
From the registry to its use
- Jul 3, 2015Route objectAS9381 HKBN Enterprise Solutions HK LimitedNTTCOM route object for AS9381 HKBN Enterprise Solutions HK Limited, maintainer MAINT-AS9381
- Jul 3, 2015Route objectAS9381 HKBN Enterprise Solutions HK LimitedNTTCOM route object for AS9381 HKBN Enterprise Solutions HK Limited, maintainer MAINT-AS938143.251.20.0/24
- Jul 3, 2015Route objectAS9381 HKBN Enterprise Solutions HK LimitedNTTCOM route object for AS9381 HKBN Enterprise Solutions HK Limited, maintainer MAINT-AS938143.251.21.0/24
- Jul 3, 2015Route objectAS9381 HKBN Enterprise Solutions HK LimitedNTTCOM route object for AS9381 HKBN Enterprise Solutions HK Limited, maintainer MAINT-AS938143.251.22.0/24
- Jul 3, 2015Route objectAS9381 HKBN Enterprise Solutions HK LimitedNTTCOM route object for AS9381 HKBN Enterprise Solutions HK Limited, maintainer MAINT-AS938143.251.23.0/24
- Sep 8, 2016– today
- Nov 17, 2020Route objectAS198949 Radware LtdRADB route object for AS198949 Radware Ltd, maintainer MAINT-AS19894943.251.21.0/24
- Nov 17, 2020Route objectAS198949 Radware LtdRADB route object for AS198949 Radware Ltd, maintainer MAINT-AS19894943.251.22.0/23
- todayRegistry recordHKBN Enterprise Solutions HK LimitedALLOCATED PORTABLE43.251.20.0/22
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 |
|---|---|---|---|---|---|---|
| 43.251.20.0/22 | 1,024 | HKBNES-HK | HKBN Enterprise Solutions HK Limited (ORG-WHL1-AP) · HK | ALLOCATED PORTABLE | — | abuse-wtt@ |
| └ 43.251.20.0/24 | 256 | HKBNES-HK | HKBN Enterprise Solutions HK Limited | ASSIGNED NON-PORTABLE | — | abuse-wtt@ |
| └ 43.251.21.0/24 | 256 | HKBNES-HK | HKBN Enterprise Solutions HK Limited | ASSIGNED NON-PORTABLE | — | abuse-wtt@ |
| └ 43.251.22.0/24 | 256 | HKBNES-HK | HKBN Enterprise Solutions HK Limited | ASSIGNED NON-PORTABLE | — | abuse-wtt@ |
| └ 43.251.23.0/24 | 256 | HKBNES-HK | HKBN Enterprise Solutions HK Limited | ASSIGNED NON-PORTABLE | — | abuse-wtt@ |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
1,024 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 768 | 75% | 1 | |
| ISP proxyanonymizer | 256 | 25% | 1 |
Network & registry
Origin network
AS9381
HK
- Name
- HKBN Enterprise Solutions HK Limited
- Type
- Internet provider
- Registered
- Aug 17, 1998
- Domain
- hkbnes.net
- Website
- www.hkbnes.net
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2016
- Current origin since
- Sep 2016 · 10 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 43.251.20.0/22 | AS9381 | /24 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS9381 | NTTCOM | Wharf T&T IP | MAINT-AS9381 | Jul 3, 2015 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 43.251.20.0/24 | AS9381 | NTTCOM | Wharf T&T IP | MAINT-AS9381 | Jul 3, 2015 |
| 43.251.21.0/24 | AS198949 | RADB | WTT HK Limited | MAINT-AS198949 | Nov 13, 2023 |
| 43.251.21.0/24 | AS9381 | NTTCOM | Wharf T&T IP | MAINT-AS9381 | Jul 3, 2015 |
| 43.251.22.0/23 | AS198949 | RADB | WTT HK Limited | MAINT-AS198949 | Nov 13, 2023 |
| 43.251.22.0/24 | AS9381 | NTTCOM | Wharf T&T IP | MAINT-AS9381 | Jul 3, 2015 |
| 43.251.23.0/24 | AS9381 | NTTCOM | Wharf T&T IP | MAINT-AS9381 | Jul 3, 2015 |
Whois
Registration for this announcement
- Range
- 43.
251. 20. 0/ 22 - Netname
- HKBNES-HK
- Registrant
- HKBN Enterprise Solutions HK Limited
- Registrant country
- HK
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- May 7, 2021
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- HK
- Delegated
- Nov 14, 2016
- Status
- assigned
Report abuse
Abuse contact
- abuse-wtt@
hkbn. com. hk - Name
- ABUSE NEWTTHK
- Handle
- AN1043-AP