Data as of Nov 12, 2026
119.57.136.0/22
No anonymizer space · no proxy exits in 30 daysChina Networks Inter-Exchange · space held by CNISP-Union Technology (Beijing) Co., Ltd
Announcement
this exact prefix
RPKI valid
Announced by
Type
Unknown
Risk
40 / 100 · Medium
Leased space
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 |
|---|---|---|---|---|---|---|
| 119.57.0.0/16 | 65,536 | CNISP-UNION | CNISP-Union Technology (Beijing) Co., Ltd | ALLOCATED PORTABLE | — | ipas@ |
| └ 119.57.128.0/20 | 4,096 | SUNINFO-MDC | Beijing Sun Rise Technology CO.LTD | ALLOCATED NON-PORTABLE | — | support@ |
Network & registry
Registry
Holder
- Organization
- CNISP-Union Technology (Beijing) Co., Ltd
- Range
- 119.
57. 0. 0/ 16 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- Beijing Sun Rise Technology CO.LTD
- Reallocated range
- 119.
57. 128. 0/ 20 - Reallocation type
- ALLOCATED NON-PORTABLE
Origin network
AS4847
CN
- Name
- China Networks Inter-Exchange
- Type
- Internet provider
- Registered
- Sep 10, 1996
- Domain
- bta.net.cn
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Reactivated
- First seen
- Sep 2018
- Current origin since
- Nov 2025 · 12 mo
- Origin networks
- 2
- Last change of origin
- Nov 2025
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 119.57.136.0/22 | AS4847 | /22 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 119.
57. 128. 0/ 20 - Netname
- SUNINFO-MDC
- Registrant
- Beijing Sun Rise Technology CO.LTD
- Registrant country
- CN
- Organization
- Beijing Sun Rise Technology CO.LTD
- Org country
- CN
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Feb 17, 2021
- Maintainer
- MAINT-AP-CNISP
- RIR
- APNIC
- Country
- CN
- Delegated
- Jan 11, 2008
- Status
- assigned
Report abuse
Abuse contact
- support@
cnispgroup. com - Name
- ABUSE CNISPCN
- Handle
- AC1910-AP