Data as of Nov 9, 2026
103.144.40.0/24
No anonymizer space · no proxy exits in 30 daysHong Kong Bridge Info-Tech Limited · space held by Shenzhen Bolian Changtong Network Technology Co., Ltd.
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 |
|---|---|---|---|---|---|---|
| 103.144.40.0/23 | 512 | SZBLCT-CN | Shenzhen Bolian Changtong Network Technology Co., Ltd. (ORG-SBCN2-AP) · CN | ALLOCATED PORTABLE | — | panziheng@ |
| └ 103.144.40.0/24 | 256 | SZBLCT-HK | Shenzhen Bolian Changtong Network Technology Co., Ltd. | ALLOCATED NON-PORTABLE | — | panziheng@ |
Network & registry
Registry
Holder
- Organization
- Shenzhen Bolian Changtong Network Technology Co., Ltd.
- Handle
- ORG-SBCN2-AP
- Range
- 103.
144. 40. 0/ 23 - Registration type
- ALLOCATED PORTABLE
Origin network
AS141768
HK
- Name
- Hong Kong Bridge Info-Tech Limited
- Type
- Internet provider
- Registered
- Mar 2, 2021
- Domain
- vcalimited.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Feb 2020
- Current origin since
- Jun 2025 · 1.4 yr
- Origin networks
- 2
- Last change of origin
- Jun 2025
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 103.144.40.0/24 | AS137969 | /24 | APNIC | Another network |
| 103.144.40.0/24 | AS141768 | /24 | APNIC | RPKI valid |
| 103.144.40.0/24 | AS149175 | /24 | APNIC | Another network |
| 103.144.40.0/23 | AS137969 | /23 | APNIC | Another network |
| 103.144.40.0/23 | AS141768 | /23 | APNIC | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS137969 not the origin | APNIC | Shenzhen Bolian Changtong Network Technology Co., Ltd. | MAINT-SZBLCT-CN | Apr 1, 2020 |
| AS137969 not the origin | RADB | hkbri-szbl | MAINT-AS137969 | Nov 13, 2023 |
| AS137969 not the origin | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | Mar 30, 2020 |
| AS141768 | APNIC | Shenzhen Bolian Changtong Network Technology Co., Ltd. | MAINT-SZBLCT-CN | Apr 12, 2021 |
| AS149175 not the origin | APNIC | Shenzhen Bolian Changtong Network Technology Co., Ltd. | MAINT-SZBLCT-CN | Jun 12, 2025 |
Whois
Registration for this announcement
- Range
- 103.
144. 40. 0/ 24 - Netname
- SZBLCT-HK
- Registrant
- Shenzhen Bolian Changtong Network Technology Co., Ltd.
- Registrant country
- HK
- Organization
- Shenzhen Bolian Changtong Network Technology Co., Ltd.
- Org country
- HK
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- May 26, 2021
- Maintainer
- MAINT-SZBLCT-CN
- RIR
- APNIC
- Country
- CN
- Delegated
- Oct 15, 2019
- Status
- assigned
Report abuse
Abuse contact
- panziheng@
szblink. com - Name
- ABUSE SZBLCTCN
- Handle
- AS2295-AP