Data as of Nov 6, 2026
211.100.0.0/18
No anonymizer space · no proxy exits in 30 daysIDC, China Telecommunications Corporation · space held by China Internet Network Information Center
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 211.100.14.0/24 since Jun 2014 | AS23724 | Hosting | China Internet Network Information Center | |
| 211.100.15.0/24 since May 2014 | AS23724 | Hosting | China Internet Network Information Center | |
| 211.100.17.0/24 since Jun 2010 | AS23724 | Hosting | China Internet Network Information Center | |
| 211.100.19.0/24 since Feb 2011 | AS23724 | Hosting | China Internet Network Information Center | |
| 211.100.21.0/24 since Jun 2011 | AS23724 | Hosting | China Internet Network Information Center | |
| 211.100.22.0/24 since Sep 2012 | AS23724 | Hosting | China Internet Network Information Center | |
| 211.100.27.0/24 since Aug 2016 | AS23724 | Hosting | China Internet Network Information Center | |
| 211.100.29.0/24 since Sep 2014 | AS23724 | Hosting | China Internet Network Information Center | |
| 211.100.32.0/24 since Sep 2010 | AS23724 | Hosting | China Internet Network Information Center | |
| 211.100.33.0/24 since Sep 2010 | AS23724 | Hosting | China Internet Network Information Center | |
| 211.100.37.0/24 since Mar 2011 | AS23724 | Hosting | China Internet Network Information Center | |
| 211.100.38.0/24 since Sep 2010 | AS23724 | Hosting | China Internet Network Information Center | |
| 211.100.39.0/24 since Sep 2010 | AS23724 | Hosting | China Internet Network Information Center | |
| 211.100.44.0/24 since Mar 2011 | AS23724 | Hosting | China Internet Network Information Center | |
| 211.100.46.0/24 since Sep 2010 | AS23724 | Hosting | China Internet Network Information Center | |
| 211.100.48.0/24 since Jun 2011 | AS23724 | Hosting | China Internet Network Information Center | |
| 211.100.49.0/24 since Sep 2010 | AS23724 | Hosting | China Internet Network Information Center | |
| 211.100.50.0/24 since Mar 2011 | AS23724 | Hosting | China Internet Network Information Center | |
| 211.100.52.0/24 since Aug 2012 | AS23724 | Hosting | China Internet 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. | 655,360 | CNNIC | China Internet Network Information Center | ALLOCATED PORTABLE | Sep 4, 2008 | ipas@ |
| └ 211.100.0.0/18 | 16,384 | BJTEL | ChinaTelecom Group Beijing Ltd,Co | ALLOCATED PORTABLE | — | ipas@ |
Network & registry
IPv4 market
Holder
- Organization
- China Internet Network Information Center
- Range
- 211.
94. 0. 0 - 211. 103. 255. 255 - Registration type
- ALLOCATED PORTABLE
Origin network
AS23724
CN
- Name
- IDC, China Telecommunications Corporation
- Type
- Hosting
- Registered
- Apr 22, 2003
- Domain
- chinatelecom.cn
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Dec 2025
- Current origin since
- Dec 2025 · 11 mo
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS23724 | RADB | China Telecom Beijing Co. Ltd. | MAINT-AS23724 | Apr 22, 2026 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 211.100.0.0/19 | AS23724 | RADB | China Telecom Beijing Co. Ltd. | MAINT-AS23724 | Apr 22, 2026 |
| 211.100.0.0/20 | AS23724 | RADB | China Telecom Beijing Co. Ltd. | MAINT-AS23724 | Apr 22, 2026 |
| 211.100.16.0/20 | AS23724 | RADB | China Telecom Beijing Co. Ltd. | MAINT-AS23724 | Apr 22, 2026 |
| 211.100.28.0/24 | AS23724 | RADB | China Telecom Beijing Co. Ltd. | MAINT-AS23724 | Apr 22, 2026 |
| 211.100.32.0/19 | AS23724 | RADB | China Telecom Beijing Co. Ltd. | MAINT-AS23724 | Apr 22, 2026 |
| 211.100.32.0/20 | AS23724 | RADB | ASes Within CT BeiJing IDC | MAINT-AS23724 | Apr 22, 2026 |
| 211.100.41.0/24 | AS23724 | RADB | ASes Within CT BeiJing IDC | MAINT-AS23724 | Apr 22, 2026 |
| 211.100.47.0/24 | AS23724 | RADB | ASes Within CT BeiJing IDC | MAINT-AS23724 | Apr 22, 2026 |
| 211.100.48.0/20 | AS23724 | RADB | ASes Within CT BeiJing IDC | MAINT-AS23724 | Apr 22, 2026 |
| 211.100.61.0/24 | AS23724 | RADB | ASes Within CT BeiJing IDC | MAINT-AS23724 | Apr 22, 2026 |
Whois
Registration for this announcement
- Range
- 211.
100. 0. 0/ 18 - Netname
- BJTEL
- Registrant
- ChinaTelecom Group Beijing Ltd,Co
- Registrant country
- CN
- Organization
- ChinaTelecom Group Beijing Ltd,Co
- Org country
- CN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Nov 28, 2023
- Maintainer
- MAINT-CNNIC-AP
- RIR
- APNIC
- Country
- CN
- Delegated
- Dec 14, 1999
- Status
- assigned
Report abuse
Abuse contact
- ipas@
cnnic. cn - Name
- ABUSE CNNICCN
- Handle
- AC1601-AP