Data as of Nov 3, 2026
211.99.32.0/19
No anonymizer space · no proxy exits in 30 daysChina Unicom Beijing Province Network · 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 |
|---|---|---|---|---|
| 211.99.32.0/20 since Jun 2025 | AS138195 | Hosting | ||
| 211.99.32.0/22 since May 2026 | AS17612 | Business | China Internet Network Information Center | |
| 211.99.36.0/22 since May 2026 | AS17612 | Business | China Internet Network Information Center | |
| 211.99.40.0/22 since May 2026 | AS17612 | Business | China Internet Network Information Center | |
| 211.99.44.0/22 since May 2026 | AS17612 | Business | China Internet Network Information Center | |
| 211.99.48.0/20 since Jun 2025 | AS138195 | Hosting | ||
| 211.99.48.0/22 since May 2026 | AS17612 | Business | China Internet Network Information Center | |
| 211.99.52.0/22 since May 2026 | AS17612 | Business | China Internet Network Information Center | |
| 211.99.56.0/22 since May 2026 | AS17612 | Business | China Internet Network Information Center | |
| 211.99.60.0/22 since May 2026 | AS17612 | Business | 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 |
|---|---|---|---|---|---|---|
| 211.94.0.0 - 211.103.255.255 | 655,360 | CNNIC | China Internet Network Information Center | ALLOCATED PORTABLE | Sep 4, 2008 | [email protected] |
| └ 211.99.32.0/19 | 8,192 | BTDC | Beijing Telecom Development Co. | ALLOCATED PORTABLE | — | [email protected] |
| └ 211.99.32.0/21 | 2,048 | FEIHUA | Beijing FeiHua Communication technology.Co,Ltd | ASSIGNED NON-PORTABLE | — | [email protected] via BTDC |
| └ 211.99.40.0/21 | 2,048 | XINWANG | Feihua Xinwang Data Communications Technology Co., Ltd. | ASSIGNED NON-PORTABLE | — | [email protected] via BTDC |
| └ 211.99.48.0/24 | 256 | SHUANGWEI | Beijing ShuangWEi company | ASSIGNED NON-PORTABLE | — | [email protected] via BTDC |
| └ 211.99.49.0/24 | 256 | ZHENGMAI | Bei jing ZhengMai information Technology development company | ASSIGNED NON-PORTABLE | — | [email protected] via BTDC |
| └ 211.99.50.0/24 | 256 | CHENCHONG | Chen Chong computer company | ASSIGNED NON-PORTABLE | — | [email protected] via BTDC |
| └ 211.99.51.0/24 | 256 | ZHENGMAI | Beijing ZhengMai Information Technology development company | ASSIGNED NON-PORTABLE | — | [email protected] via BTDC |
| └ 211.99.52.0/24 | 256 | LEGEND | Legend FM Technology CO.,LTD | ASSIGNED NON-PORTABLE | — | [email protected] via BTDC |
| └ 211.99.53.0/24 | 256 | ZHENGMAI | Beijing ZhengMai Information Technology development company | ASSIGNED NON-PORTABLE | — | [email protected] via BTDC |
| └ 211.99.54.0/24 | 256 | SHUANGWEI | Beijing ShuangWEi company | ASSIGNED NON-PORTABLE | — | [email protected] via BTDC |
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
IPv4 market
Holder
- Organization
- China Internet Network Information Center
- Range
- 211.94.0.0 - 211.103.255.255
- Registration type
- ALLOCATED PORTABLE
Origin network
AS4808
CN
- Name
- China Unicom Beijing Province Network
- Type
- Internet provider
- Registered
- Jan 9, 1996
- Domain
- chinaunicom.cn
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4808 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | May 25, 2016 |
| AS4808 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| AS17612 not the origin | RADB | Customer Route - LOA provided | MAINT-AS134823 | Jul 17, 2025 |
| AS131831 not the origin | RADB | MAINT-AS400018 | Jan 25, 2026 | |
| AS138195 not the origin | RADB | Customer Route - LOA provided | MAINT-AS134823 | Jan 25, 2026 |
| AS210528 not the origin | RADB | MAINT-AS400018 | May 26, 2026 |
Whois
Registration for this announcement
- Range
- 211.99.32.0/19
- Netname
- BTDC
- Registrant
- Beijing Telecom Development Co.
- Registrant country
- CN
- Organization
- Beijing Telecom Development 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
- [email protected]
- Name
- ABUSE CNNICCN
- Handle
- AC1601-AP