Data as of Nov 7, 2026
218.245.18.0/23
No anonymizer space · no proxy exits in 30 daysCNISP-Union Technology (Beijing) Co., Ltd · space held by China Network Information Center
Announcement
this exact prefix
RPKI valid
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recent change
New origin Jun 2026
from AS24404 CNISP-Union Technology (Beijing) Co., Ltd
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 218.245.16.0/21 since Nov 2011 | AS4847 | Unknown | China Network Information Center via Beijing Topnew Info&Tech 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 |
|---|---|---|---|---|---|---|
| 218.245.0.0/16 | 65,536 | CNNIC | China Network Information Center | ALLOCATED PORTABLE | — | ipas@ |
| └ 218.245.0.0/19 | 8,192 | CNISP-UNION | CNISP-Union Technology (Beijing) Co., Ltd | ALLOCATED PORTABLE | — | ipas@ |
| └ 218.245.16.0/20 | 4,096 | TopnewNET | Beijing Topnew Info&Tech co., LTD. | ALLOCATED NON-PORTABLE | — | support@ |
Network & registry
IPv4 market
Holder
- Organization
- China Network Information Center
- Range
- 218.
245. 0. 0/ 16 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- Beijing Topnew Info&Tech co., LTD.
- Reallocated range
- 218.
245. 16. 0/ 20 - Reallocation type
- ALLOCATED NON-PORTABLE
Origin network
AS24404
CN
- Name
- CNISP-Union Technology (Beijing) Co., Ltd
- Type
- Hosting
- Registered
- Apr 22, 2005
- Domain
- cnispgroup.com
- Industry
- Computer and Information Technology
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2025
- Current origin since
- Jun 2026 · 5 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 218.245.0.0/19 | AS4847 | /24 | APNIC | Another network |
| 218.245.0.0/19 | AS24404 | /24 | APNIC | RPKI valid |
| 218.245.0.0/19 | AS56048 | /24 | APNIC | Another network |
Whois
Registration for this announcement
- Range
- 218.
245. 16. 0/ 20 - Netname
- TopnewNET
- Registrant
- Beijing Topnew Info&Tech co., LTD.
- Registrant country
- CN
- Organization
- Beijing Topnew Info&Tech 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
- Nov 30, 2001
- Status
- assigned
Report abuse
Abuse contact
- support@
cnispgroup. com - Name
- ABUSE CNISPCN
- Handle
- AC1910-AP