Data as of Nov 14, 2026
120.136.172.0/22
No anonymizer space · no proxy exits in 30 daysChina Unicom Shanghai network · space held by Shanghai Data Solution Co., Ltd.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 120.136.168.0/21 since Dec 2019 | AS17621 | Residential | Shanghai Data Solution Co., Ltd. |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 120.136.172.0/23 since Oct 2024 | AS17621 | Residential | Shanghai Data Solution Co., Ltd. | |
| 120.136.173.0/24 since Oct 2024 | AS17621 | Residential | Shanghai Data Solution Co., Ltd. | |
| 120.136.174.0/23 since Oct 2024 | AS17621 | Residential | Shanghai Data Solution Co., Ltd. |
Network & registry
Origin network
AS17621
CN
- Name
- China Unicom Shanghai network
- Type
- Internet provider
- Registered
- Jan 18, 2001
- Domain
- chinaunicom.cn
- Website
- www.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
- Dec 2019
- Current origin since
- Dec 2019 · 6.9 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 120.136.168.0/21 | AS17621 | /24 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 120.
136. 128. 0/ 18 - Netname
- DSNET
- Registrant
- Shanghai Data Solution Co., Ltd.
- Registrant country
- CN
- Organization
- Shanghai Data Solution Co., Ltd.
- Org country
- CN
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Updated
- Aug 28, 2024
- Maintainer
- MAINT-CNNIC-AP
- RIR
- APNIC
- Country
- CN
- Delegated
- Apr 8, 2008
- Status
- assigned
Report abuse
Abuse contact
- ipas@
cnnic. cn - Name
- ABUSE CNNICCN
- Handle
- AC1601-AP