Data as of Nov 7, 2026
119.253.48.0/21
No anonymizer space · no proxy exits in 30 daysChina Unicom Beijing Province Network · space held by Beijing Sinnet Technology Co., Ltd.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 119.253.32.0/19 since Apr 2025 | AS23724 | Hosting | 1 | Beijing Sinnet Technology Co., Ltd. |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 119.253.48.0/22 since Sep 2017 | AS23844 | Hosting | Beijing Sinnet Technology Co., Ltd. | |
| 119.253.52.0/22 | AS23844 | Hosting | Beijing Sinnet Technology Co., Ltd. |
Network & registry
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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jan 2011
- Current origin since
- Aug 2016 · 10 yr
- Origin networks
- 3
- Last change of origin
- Aug 2016
Recorded history
History
- Handoffs
- 3
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 119.253.48.0/21 | AS4808 | /21 | APNIC | RPKI valid |
| 119.253.48.0/21 | AS23844 | /21 | APNIC | Another network |
| 119.253.32.0/19 | AS23724 | /19 | APNIC | Another network |
Whois
Registration for this announcement
- Range
- 119.
253. 0. 0/ 17 - Netname
- SINNET
- Registrant
- Beijing Sinnet Technology Co., Ltd.
- Registrant country
- CN
- Organization
- Beijing Sinnet Technology Co., Ltd.
- Org country
- CN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Nov 2, 2021
- Maintainer
- MAINT-CNNIC-AP
- RIR
- APNIC
- Country
- CN
- Delegated
- Mar 13, 2008
- Status
- assigned
Report abuse
Abuse contact
- ipas@
cnnic. cn - Name
- ABUSE CNNICCN
- Handle
- AC1601-AP