Data as of Nov 7, 2026
218.245.0.0/21
No anonymizer space · no proxy exits in 30 daysChina Networks Inter-Exchange · space held by China Network Information Center
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 |
|---|---|---|---|---|---|---|
| 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@ |
| └ 218.245.0.0/20 | 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. 0. 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
- Stable
- First seen
- Nov 2011
- Current origin since
- Jan 2020 · 6.8 yr
- Origin networks
- 2
- Last change of origin
- Nov 2019
Recorded history
History
- Handoffs
- 2
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 218.245.0.0/19 | AS4847 | /24 | APNIC | RPKI valid |
| 218.245.0.0/19 | AS24404 | /24 | APNIC | Another network |
| 218.245.0.0/19 | AS56048 | /24 | APNIC | Another network |
IRR
Route objects on the exact prefix
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 218.245.0.0/22 | AS24404 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| 218.245.0.0/22 | AS24404 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | May 25, 2016 |
| 218.245.4.0/22 | AS24404 | RADB | CMI (Customer Route) | MAINT-AS58453 | Nov 13, 2023 |
| 218.245.4.0/22 | AS24404 | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK | May 25, 2016 |
| 218.245.4.0/24 | AS4847 | RADB | regist for user | MAINT-AS4847 | Jan 15, 2024 |
Whois
Registration for this announcement
- Range
- 218.
245. 0. 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