Data as of Nov 7, 2026
123.58.239.0/24
No anonymizer space · no proxy exits in 30 daysChina Networks Inter-Exchange · space held by Beijing CNISP Technology Co., Ltd.
Announcement
this exact prefix
RPKI invalid (length)
Announced by
Type
Unknown
Risk
40 / 100 · Medium
Leased space
Recent change
New origin Sep 18, 2026
from AS4847 China Networks Inter-Exchange
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 123.58.238.0/23 since Sep 18, 2026 | AS4847 | Unknown | Beijing CNISP Technology Co., Ltd. via Beijing Tiantian Net Information Science and Technology Co.,Ltd | |
| 123.58.232.0/21 since Oct 2019 | AS4847 | Unknown | Beijing CNISP Technology Co., Ltd. via Beijing Tiantian Net Information Science and Technology Co.,Ltd |
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 |
|---|---|---|---|---|---|---|
| 123.58.224.0/20 | 4,096 | CNISP-CN | Beijing CNISP Technology Co., Ltd. (ORG-BCTC1-AP) · CN | ALLOCATED PORTABLE | — | support@ |
| └ 123.58.232.0/21 | 2,048 | ttonnet | Beijing Tiantian Net Information Science and Technology Co.,Ltd | ALLOCATED NON-PORTABLE | — | support@ |
Network & registry
IPv4 market
Holder
- Organization
- Beijing CNISP Technology Co., Ltd.
- Handle
- ORG-BCTC1-AP
- Range
- 123.
58. 224. 0/ 20 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- Beijing Tiantian Net Information Science and Technology Co.,Ltd
- Reallocated range
- 123.
58. 232. 0/ 21 - 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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2025
- Current origin since
- Sep 18, 2026 · 2 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 123.58.232.0/21 | AS4847 | /21 | APNIC | Too specific |
Whois
Registration for this announcement
- Range
- 123.
58. 232. 0/ 21 - Netname
- ttonnet
- Registrant
- Beijing Tiantian Net Information Science and Technology Co.,Ltd
- Registrant country
- CN
- Organization
- Beijing Tiantian Net Information Science and 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 16, 2007
- Status
- assigned
Report abuse
Abuse contact
- support@
cnispgroup. com - Name
- ABUSE CNISPCN
- Handle
- AC1910-AP