Data as of Nov 5, 2026
211.151.20.0/22
No anonymizer space · no proxy exits in 30 daysChina Telecom (Group) · space held by China Network Information Center
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recent change
New origin Oct 10, 2026
its first announcement on record
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 211.151.0.0/19 since Sep 18, 2026 | AS9802 | Hosting | China Network Information Center | |
| 211.151.0.0/18 since Aug 2016 | AS23724 | Hosting | China Network Information Center | |
| 211.151.0.0/16 since May 2017 | AS23724 | Hosting | China Network Information Center |
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 |
|---|---|---|---|---|---|---|
| 211.148.0.0/14 | 262,144 | CNNIC | China Network Information Center | ALLOCATED PORTABLE | — | ipas@ |
| └ 211.151.0.0/16 | 65,536 | CHINA-21VIANET | 21ViaNet(China),Inc. | ALLOCATED PORTABLE | — | ipas@ |
Network & registry
IPv4 market
Holder
- Organization
- China Network Information Center
- Range
- 211.
148. 0. 0/ 14 - Registration type
- ALLOCATED PORTABLE
Origin network
AS4835
CN
- Name
- China Telecom (Group)
- Type
- Hosting
- Registered
- Sep 13, 2001
- Domain
- chinatelecom.com.cn
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 10, 2026
- Current origin since
- Oct 10, 2026 · under a month
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 211.151.0.0/16 | AS4808 | /32 | APNIC | Another network |
| 211.151.0.0/16 | AS4835 | /32 | APNIC | RPKI valid |
| 211.151.0.0/16 | AS4847 | /32 | APNIC | Another network |
| 211.151.0.0/16 | AS9308 | /32 | APNIC | Another network |
| 211.151.0.0/16 | AS9802 | /32 | APNIC | Another network |
| 211.151.0.0/16 | AS9808 | /32 | APNIC | Another network |
| 211.151.0.0/16 | AS17428 | /32 | APNIC | Another network |
| 211.151.0.0/16 | AS23724 | /32 | APNIC | Another network |
| 211.151.0.0/16 | AS56048 | /32 | APNIC | Another network |
| 211.151.0.0/16 | AS59020 | /32 | APNIC | Another network |
| 211.151.0.0/16 | AS133111 | /32 | APNIC | Another network |
| 211.151.0.0/16 | AS141679 | /32 | APNIC | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS17428 not the origin | RADB | Proxy-registered route object | MAINT-HGC-INTL | Oct 2, 2026 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 211.151.20.0/23 | AS17428 | RADB | Proxy-registered route object | MAINT-HGC-INTL | Oct 2, 2026 |
| 211.151.20.0/24 | AS17428 | RADB | Proxy-registered route object | MAINT-HGC-INTL | Oct 2, 2026 |
| 211.151.21.0/24 | AS17428 | RADB | Proxy-registered route object | MAINT-HGC-INTL | Oct 2, 2026 |
| 211.151.22.0/23 | AS17428 | RADB | Proxy-registered route object | MAINT-HGC-INTL | Oct 2, 2026 |
| 211.151.22.0/24 | AS17428 | RADB | Proxy-registered route object | MAINT-HGC-INTL | Oct 2, 2026 |
| 211.151.23.0/24 | AS17428 | RADB | Proxy-registered route object | MAINT-HGC-INTL | Oct 2, 2026 |
Whois
Registration for this announcement
- Range
- 211.
151. 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
- Jun 22, 2001
- Status
- assigned
Report abuse
Abuse contact
- ipas@
cnnic. cn - Name
- ABUSE CNNICCN
- Handle
- AC1601-AP