Data as of Nov 7, 2026
220.181.64.0/20
No anonymizer space · no proxy exits in 30 daysIDC, China Telecommunications Corporation · space held by Data Communication Division
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 220.181.68.0/24 since Dec 2008 | AS23724 | Hosting | Data Communication Division via CHINANET Beijing province network | |
| 220.181.71.0/24 since Feb 2011 | AS23724 | Hosting | Data Communication Division via CHINANET Beijing province network | |
| 220.181.75.0/24 since Mar 2015 | AS23724 | Hosting | Data Communication Division via CHINANET Beijing province network | |
| 220.181.76.0/24 since Jan 2012 | AS23724 | Hosting | Data Communication Division via CHINANET Beijing province network | |
| 220.181.77.0/24 since Dec 2008 | AS23724 | Hosting | Data Communication Division via CHINANET Beijing province network | |
| 220.181.78.0/24 since Sep 2025 | AS23724 | Hosting | Data Communication Division via CHINANET Beijing province network |
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 |
|---|---|---|---|---|---|---|
| 220.160.0.0/11 | 2,097,152 | CHINANET-CN | Data Communication Division | ALLOCATED PORTABLE | — | anti-spam@ |
| └ 220.181.0.0/16 | 65,536 | CHINANET-IDC-BJ | CHINANET Beijing province network | ALLOCATED NON-PORTABLE | — | anti-spam@ via CHINANET-CN |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Registry
Holder
- Organization
- Data Communication Division
- Range
- 220.
160. 0. 0/ 11 - Registration type
- ALLOCATED PORTABLE
- Reallocated to
- CHINANET Beijing province network
- Reallocated range
- 220.
181. 0. 0/ 16 - Reallocation type
- ALLOCATED NON-PORTABLE
Origin network
AS23724
CN
- Name
- IDC, China Telecommunications Corporation
- Type
- Hosting
- Registered
- Apr 22, 2003
- Domain
- chinatelecom.cn
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jan 2008
- Current origin since
- Jan 2008 · 19 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 220.181.64.0/20 | AS23724 | /20 | APNIC | RPKI valid |
Whois
Registration for this announcement
- Range
- 220.
181. 0. 0/ 16 - Netname
- CHINANET-IDC-BJ
- Registrant
- CHINANET Beijing province network
- Registrant country
- CN
- Organization
- CHINANET Beijing province network
- Org country
- CN
- Type
- ALLOCATED NON-PORTABLE
- Created
- Not stated by the registry
- Updated
- Sep 4, 2008
- Maintainer
- MAINT-CHINANET
- RIR
- APNIC
- Country
- CN
- Delegated
- Oct 30, 2002
- Status
- assigned
Report abuse
Abuse contact
- anti-spam@
chinatelecom. cn - Name
- ABUSE CHINANETCN
- Handle
- AC1573-AP