Data as of Nov 9, 2026
103.101.205.0/24
No anonymizer space · no proxy exits in 30 daysBack Waves Limited · space held by Tengsheng Tech Limited
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recently moved
Recent change
New origin Sep 2026
from AS216411 GZ Remittance (China) Industry Limited
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 |
|---|---|---|---|---|---|---|
| 103.101.204.0/22 | 1,024 | TTL-HK | Tengsheng Tech Limited (ORG-TTL5-AP) · HK | ALLOCATED PORTABLE | — | Coco@ |
| └ 103.101.204.0/23 | 512 | AAL3-AP | unknown | ALLOCATED NON-PORTABLE | — | Coco@ |
| └ 103.101.205.0/24 | 256 | BACKWAVESLIMITED-SG | Back Waves Limited - SG | ALLOCATED NON-PORTABLE | — | Coco@ |
Network & registry
IPv4 market
Holder
- Organization
- Tengsheng Tech Limited
- Handle
- ORG-TTL5-AP
- Range
- 103.
101. 204. 0/ 22 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- Back Waves Limited - SG
- Reallocated range
- 103.
101. 205. 0/ 24 - Reallocation type
- ALLOCATED NON-PORTABLE
Origin network
AS154602
HK
- Name
- Back Waves Limited
- Type
- Hosting
- Registered
- Apr 9, 2026
- Domain
- backwaves.ltd
- Website
- www.backwaves.ltd
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Jan 2018
- Current origin since
- Sep 2026 · 2 mo
- Origin networks
- 6
- Last change of origin
- Sep 2026
Recorded history
History
- Handoffs
- 6
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 103.101.204.0/23 | AS154602 | /24 | APNIC | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS154602 | APNIC | TENGSHENG TECH LIMITED | MAINT-TTL-HK | Sep 23, 2026 |
Whois
Registration for this announcement
- Range
- 103.
101. 205. 0/ 24 - Netname
- BACKWAVESLIMITED-SG
- Registrant
- Back Waves Limited - SG
- Registrant country
- SG
- Organization
- Back Waves Limited - SG
- Org country
- SG
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Sep 24, 2026
- Maintainer
- MAINT-TTL-HK
- RIR
- APNIC
- Country
- HK
- Delegated
- Sep 29, 2017
- Status
- assigned
Report abuse
Abuse contact
- Coco@
tengshengtech. net - Name
- ABUSE TTLHK
- Handle
- AT1228-AP