Data as of Nov 9, 2026
103.251.88.0/22
No anonymizer space · no proxy exits in 30 daysSonderCloud Limited · space held by Hengtian Network Technology Co., Limited
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 103.251.89.0/24 since Dec 2019 | AS139659 | Hosting | Hengtian Network Technology Co., Limited via HengTian HK DataCenter |
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 |
|---|---|---|---|---|---|---|
| 103.251.88.0/22 | 1,024 | HNTCL-HK | Hengtian Network Technology Co., Limited (ORG-HNTC2-AP) · HK | ALLOCATED PORTABLE | — | noc@ |
| └ 103. | 768 | HKdatacenter | HengTian HK DataCenter | ALLOCATED NON-PORTABLE | — | noc@ |
| └ 103.251.91.0/24 | 256 | USGTTDatacenter | US GTT Datacenter | ALLOCATED NON-PORTABLE | — | noc@ |
Network & registry
Origin network
AS133199
HK
- Name
- SonderCloud Limited
- Type
- Hosting
- Registered
- Dec 23, 2013
- Domain
- sondercloud.com
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Nov 2013
- Current origin since
- Aug 2025 · 1.2 yr
- Origin networks
- 5
- Last change of origin
- Aug 2025
Recorded history
History
- Handoffs
- 4
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS9293 not the origin | RADB | Towngas Telecommunications | MAINT-AS4645 | Nov 13, 2023 |
| AS38197 not the origin | NTTCOM | Proxy-registered route object | MAINT-AS9304 | Aug 26, 2013 |
| AS38197 not the origin | RADB | Proxy-registered route object | MAINT-AS9304 | Nov 13, 2023 |
| AS45177 not the origin | RADB | Proxy route object registered by AS2764 | MAINT-AS2764 | Nov 13, 2023 |
| AS55933 not the origin | RADB | Colocation at Cloudie | MAINT-AS134121 | Jan 21, 2026 |
| AS55933 not the origin | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | Jun 5, 2020 |
| AS58779 not the origin | NTTCOM | CITIC Telecom International CPC Limited | MAINT-HK-PSINET | Aug 17, 2015 |
| AS133199 | NTTCOM | Proxy-registered route object | MAINT-AS9304 | Sep 16, 2019 |
| AS133731 not the origin | REACH | REACH (Customer Route) | MAINT-REACH-NOC | Jan 27, 2017 |
| AS133731 not the origin | NTTCOM | Proxy-registered route object | MAINT-AS9304 | Jan 30, 2019 |
| AS137508 not the origin | RADB | Oriental Star | MAINT-AS134121 | Jan 21, 2026 |
| AS138968 not the origin | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | Jun 1, 2020 |
| AS138968 not the origin | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 103.251.88.0/23 | AS38197 | RADB | Proxy-registered route object | MAINT-AS9304 | Nov 13, 2023 |
| 103.251.88.0/23 | AS55933 | RADB | Proxy-registered route object | MAINT-AS9304 | Nov 13, 2023 |
| 103.251.88.0/23 | AS134121 | RADB | Colocation Rainbow | MAINT-AS134121 | Jan 21, 2026 |
| 103.251.88.0/23 | AS38197 | NTTCOM | Proxy-registered route object | MAINT-AS9304 | Aug 26, 2013 |
| 103.251.88.0/23 | AS55933 | NTTCOM | Proxy-registered route object | MAINT-AS9304 | Jan 20, 2017 |
| 103.251.88.0/23 | AS133199 | NTTCOM | Proxy-registered route object | MAINT-AS9304 | Sep 16, 2019 |
| 103.251.88.0/23 | AS133731 | NTTCOM | Proxy-registered route object | MAINT-AS9304 | Jan 30, 2019 |
| 103.251.88.0/24 | AS133199 | RADB | sondercloud limited | MAINT-AS133199 | Nov 13, 2023 |
| 103.251.88.0/24 | AS133861 | RADB | HUPO LIMITED | MAINT-AS133199 | Nov 13, 2023 |
| 103.251.88.0/24 | AS133199 | NTTCOM | Proxy-registered route object | MAINT-AS9304 | Feb 26, 2020 |
| 103.251.90.0/23 | AS38197 | RADB | Proxy-registered route object | MAINT-AS9304 | Nov 13, 2023 |
| 103.251.90.0/23 | AS133731 | RADB | Proxy-registered route object | MAINT-AS9304 | Nov 13, 2023 |
| 103.251.90.0/23 | AS38197 | NTTCOM | Proxy-registered route object | MAINT-AS9304 | Aug 26, 2013 |
| 103.251.90.0/23 | AS133199 | NTTCOM | Proxy-registered route object | MAINT-AS9304 | Sep 16, 2019 |
| 103.251.90.0/23 | AS133731 | NTTCOM | Proxy-registered route object | MAINT-AS9304 | Jan 30, 2019 |
| 103.251.90.0/24 | AS133199 | RADB | sondercloud limited | MAINT-AS133199 | Nov 13, 2023 |
| 103.251.90.0/24 | AS133861 | RADB | HUPO LIMITED | MAINT-AS133199 | Nov 13, 2023 |
| 103.251.90.0/24 | AS133199 | NTTCOM | Proxy-registered route object | MAINT-AS9304 | Feb 26, 2020 |
| 103.251.90.0/24 | AS9269 | REACH | REACH (Customer Route) | MAINT-REACH-NOC | Apr 24, 2017 |
| 103.251.91.0/24 | AS133199 | RADB | sondercloud limited | MAINT-AS133199 | Nov 13, 2023 |
| 103.251.91.0/24 | AS133861 | RADB | HUPO LIMITED | MAINT-AS133199 | Nov 13, 2023 |
| 103.251.91.0/24 | AS133199 | NTTCOM | Proxy-registered route object | MAINT-AS9304 | Feb 26, 2020 |
Whois
Registration for this announcement
- Range
- 103.
251. 88. 0/ 22 - Netname
- HNTCL-HK
- Registrant
- Hengtian Network Technology Co., Limited
- Registrant country
- HK
- Organization
- Not stated by the registry
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Jun 24, 2020
- Maintainer
- APNIC-HM
- RIR
- APNIC
- Country
- HK
- Delegated
- Jul 29, 2013
- Status
- assigned
Report abuse
Abuse contact
- noc@
sondercloud. com - Name
- ABUSE HNTCLHK
- Handle
- AH931-AP