Data as of Nov 6, 2026
103.81.187.0/24
No anonymizer space · no proxy exits in 30 daysAlibaba (US) Technology Co., Ltd. · space held by Shijiazhuang Xuding Technology Co., Ltd
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 103.81.184.0/22 | 1,024 | CORELINK-CN | Shijiazhuang Xuding Technology Co., Ltd (ORG-SXTC1-AP) · CN | ALLOCATED PORTABLE | — | abuse@ |
| └ 103.81.187.0/24 | 256 | CORELINK-HK | CoreLink Global Communications (CLE) | ALLOCATED NON-PORTABLE | — | abuse@ |
Network & registry
Announced by
Covering announcement 103.81.186.0/23
- Prefix
- 103.81.186.0/23
- Announced by
- AS45102 Alibaba (US) Technology Co., Ltd.
- Type
- Hosting
- RPKI
- RPKI valid
- Netname
- CORELINK-CN
- Registrant
- Shijiazhuang Xuding Technology Co., Ltd
- RIR
- APNIC
Origin network
AS45102
CN
- Name
- Alibaba (US) Technology Co., Ltd.
- Type
- Hosting
- Registered
- Feb 1, 2008
- Domain
- alibabagroup.com
- Website
- alibabagroup.com/
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 103.81.186.0/23
103.81.186.0/23
Routing history
- Pattern
- Stable
- First seen
- Mar 2017
- Current origin since
- Aug 2020 · 6.2 yr
- Origin networks
- 2
- Last change of origin
- Aug 2020
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 103.81.186.0/23 | AS45102 | /23 | APNIC | RPKI valid |
| 103.81.184.0/22 | AS31898 | /24 | APNIC | Another network |
| 103.81.184.0/22 | AS42962 | /24 | APNIC | Another network |
| 103.81.184.0/22 | AS136796 | /24 | APNIC | Another network |
| 103.81.184.0/22 | AS17767 | /22 | APNIC | Another network |
| 103.81.184.0/22 | AS17782 | /22 | APNIC | Another network |
IRR
Route objects on 103.81.186.0/23
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS42962 not the origin | ALTDB | CLE Communication | MAINT-CLE | Dec 21, 2016 |
| AS42962 not the origin | RADB | Vultr Customer Route | MAINT-AS20473 | Dec 24, 2025 |
| AS45102 | APNIC | CoreLink Communication | MAINT-CORELINK-CN | Aug 9, 2020 |
| AS45102 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | Aug 20, 2020 |
| AS45102 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 103.
81. 184. 0/ 22 - Netname
- CORELINK-CN
- Registrant
- Shijiazhuang Xuding Technology Co., Ltd
- Registrant country
- CN
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Jul 21, 2021
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- CN
- Delegated
- Dec 15, 2016
- Status
- assigned
Report abuse
Abuse contact
- abuse@
corelink. io - Name
- ABUSE CL028
- Handle
- AC2077-AP