Data as of Nov 14, 2026
123.58.45.0/24
No anonymizer space · no proxy exits in 30 daysChina Unicom Shenzen network · space held by Beijing CNISP Technology 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 |
|---|---|---|---|---|---|---|
| 123.58.32.0/19 | 8,192 | CNISP-CN | Beijing CNISP Technology Co., Ltd. (ORG-BCTC1-AP) · CN | ALLOCATED PORTABLE | — | support@ |
| └ 123.58.32.0/20 | 4,096 | HuMengIDC | unknown | ALLOCATED NON-PORTABLE | — | support@ |
Network & registry
IPv4 market
Holder
- Organization
- Beijing CNISP Technology Co., Ltd.
- Handle
- ORG-BCTC1-AP
- Range
- 123.
58. 32. 0/ 19 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- Not named in the registry
- Reallocated range
- 123.
58. 32. 0/ 20 - Reallocation type
- ALLOCATED NON-PORTABLE
Origin network
AS17623
CN
- Name
- China Unicom Shenzen network
- Type
- Internet provider
- Registered
- Jan 18, 2001
- Domain
- chinaunicom.cn
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Jan 2024
- Current origin since
- Jan 2024 · 2.8 yr
- Origin networks
- 2
- Last change of origin
- Apr 2026
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4816 not the origin | RADB | HuMengIDC - SZIDC-Static multicast | MAINT-AS4813 | Mar 16, 2026 |
Whois
Registration for this announcement
- Range
- 123.
58. 32. 0/ 20 - Netname
- HuMengIDC
- Registrant country
- CN
- Organization
- Not stated by the registry
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Feb 17, 2021
- Maintainer
- MAINT-AP-CNISP
- RIR
- APNIC
- Country
- CN
- Delegated
- Jan 16, 2007
- Status
- assigned
Report abuse
Abuse contact
- support@
cnispgroup. com - Name
- ABUSE CNISPCN
- Handle
- AC1910-AP