Data as of Nov 15, 2026
199.19.20.0/24
No anonymizer space · no proxy exits in 30 daysYijia Xu · space held by Tianshome.net
Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
Risk
0 / 100 · Low
Recent change
New origin Oct 22, 2026
its first announcement on record
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 |
|---|---|---|---|---|---|---|
| 199.19.20.0/22 | 1,024 | TIANSHOME | Tianshome.net (JT-303) · CA | Direct Allocation | Oct 1, 2026 | noc@ |
| └ 199.19.20.0/24 | 256 | TIANSHOME-CUSTOMER-ZEROWOLF | unknown | Reassigned | Oct 10, 2026 | noc@ via TIANSHOME |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Registry
Holder
- Organization
- Tianshome.net
- Handle
- JT-303
- Range
- 199.
19. 20. 0/ 22 - Registration type
- Direct Allocation
- Record created
- Oct 1, 2026
Origin network
AS210352
CN
- Name
- Yijia Xu
- Type
- Internet provider
- Registered
- Apr 16, 2025
- Domain
- zerowolf.cn
- Website
- zerowolf.cn/as210352
- Industry
- Community Groups and Nonprofits
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 22, 2026
- Current origin since
- Oct 22, 2026 · under a month
- Origin networks
- 1
RPKI
Route origin authorizations
Whois
Registration for this announcement
- Range
- 199.
19. 20. 0/ 24 - Netname
- TIANSHOME-CUSTOMER-ZEROWOLF
- Organization
- Not stated by the registry
- Type
- Reassigned
- Handle
- NET-199-19-20-0-2
- Parent
- NET-199-19-20-0-1
- Created
- Oct 10, 2026
- RIR
- ARIN
- Country
- CA
- Delegated
- Oct 1, 2026
- Status
- assigned
Report abuse
Abuse contact
- noc@
tianshome. net - Name
- Tianshome NOC
- Phone
- +1-650-691-5698
- Handle
- TIANS1-ARIN