Data as of Nov 9, 2026
120.133.18.0/24
No anonymizer space · no proxy exits in 30 daysChina Unicom IP network · space held by 21ViaNet(China),Inc.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 120.133.0.0/18 since Nov 6, 2026 | AS9308 | Hosting | 3 | 21ViaNet(China),Inc. | |
| 120.133.0.0/17 since Nov 2022 | AS9308 | Hosting | 3 | 21ViaNet(China),Inc. | |
| 120.133.0.0/16 since May 2017 | AS23724 | Hosting | 3 | 21ViaNet(China),Inc. |
Network & registry
Announced by
Covering announcement 120.133.16.0/21
- Prefix
- 120.133.16.0/21
- Announced by
- AS133119 China Unicom IP network
- Type
- Hosting
- RPKI
- RPKI valid
- Netname
- CHINA-21VIANET
- Registrant
- 21ViaNet(China),Inc.
- RIR
- APNIC
Origin network
AS133119
CN
- Name
- China Unicom IP network
- Type
- Hosting
- Registered
- Oct 10, 2013
- Domain
- chinaunicom.cn
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
120.133.16.0/21
Routing history
- Pattern
- Stable
- First seen
- Mar 2018
- Current origin since
- Jul 2019 · 7.3 yr
- Origin networks
- 2
- Last change of origin
- Jul 2019
Recorded history
History
- Handoffs
- 1
- Also announced by
- 9308
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 120.133.0.0/17 | AS4808 | /32 | APNIC | Another network |
| 120.133.0.0/17 | AS4835 | /32 | APNIC | Another network |
| 120.133.0.0/17 | AS4847 | /32 | APNIC | Another network |
| 120.133.0.0/17 | AS9308 | /32 | APNIC | Another network |
| 120.133.0.0/17 | AS9802 | /32 | APNIC | Another network |
| 120.133.0.0/17 | AS9808 | /32 | APNIC | Another network |
| 120.133.0.0/17 | AS17428 | /32 | APNIC | Another network |
| 120.133.0.0/17 | AS23724 | /32 | APNIC | Another network |
| 120.133.0.0/17 | AS56048 | /32 | APNIC | Another network |
| 120.133.0.0/17 | AS59020 | /32 | APNIC | Another network |
| 120.133.0.0/17 | AS133111 | /32 | APNIC | Another network |
| 120.133.0.0/17 | AS133119 | /32 | APNIC | RPKI valid |
| 120.133.0.0/17 | AS141679 | /32 | APNIC | Another network |
Whois
Registration for this announcement
- Range
- 120.
133. 0. 0/ 16 - Netname
- CHINA-21VIANET
- Registrant
- 21ViaNet(China),Inc.
- Registrant country
- CN
- Organization
- 21ViaNet(China),Inc.
- Org country
- CN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Jun 16, 2021
- Maintainer
- MAINT-CNNIC-AP
- RIR
- APNIC
- Country
- CN
- Delegated
- Apr 4, 2008
- Status
- assigned
Report abuse
Abuse contact
- ipas@
cnnic. cn - Name
- ABUSE CNNICCN
- Handle
- AC1601-AP