Data as of Nov 14, 2026
219.221.0.0/16
2 residential-proxy exits · 30 daysChina Education and Research Network Center
Residential-proxy exits
Proxy exits
2
<0.01% of its addresses · 30 days
Spread
2 of 256
/24s with at least one exit
Providers
24
selling exits here
Oct 15, 2026 – Nov 13, 2026
Exits seen per day
1.7K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 219.221.160.0/24 | 0 | 1 | |
| 219.221.161.0/24 | 0 | 1 |
Proxy providers listing exits
- 711Proxy
- BirdProxies
- ByteProxies
- Byteful
- EnigmaProxy
- FlexyProxies
- GSocks
- Geonix
- GonzoProxy
- HydraProxy
- Infatica
- LemonPrime
- MangoProxy
- NodeProxy
- NovaProxy
- Proxiware
- Proxy-Seller
- ProxyEmpire
- ProxyHat
- ProxyStyler
- Proxyma
- Shifter
- VitalData
- VitalExclusive
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 219.221.0.0/20 | AS4538 | Business | China Education and Research Network | ||
| 219.221.16.0/20 | AS4538 | Business | China Education and Research Network | ||
| 219.221.32.0/20 | AS4538 | Business | China Education and Research Network | ||
| 219.221.48.0/24 | AS4538 | Business | China Education and Research Network | ||
| 219.221.49.0/24 | AS4538 | Business | China Education and Research Network | ||
| 219.221.50.0/24 | AS4538 | Business | China Education and Research Network | ||
| 219.221.64.0/19 | AS4538 | Business | China Education and Research Network | ||
| 219.221.96.0/19 | AS4538 | Business | China Education and Research Network | ||
| 219.221.128.0/20 | AS4538 | Business | China Education and Research Network | ||
| 219.221.160.0/22 | AS4538 | Business | 2 | China Education and Research Network | |
| 219.221.176.0/20 | AS4538 | Business | China Education and Research Network | ||
| 219.221.192.0/20 | AS4538 | Business | China Education and Research Network | ||
| 219.221.208.0/20 | AS4538 | Business | China Education and Research Network | ||
| 219.221.224.0/20 | AS4538 | Business | China Education and Research Network | ||
| 219.221.240.0/20 | AS4538 | Business | China Education and Research Network | ||
| 219.221.240.0/24 | AS4538 | Business | China Education and Research Network |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 219.221.0.0/16 | 65,536 | CERNET-CN | China Education and Research Network | ALLOCATED PORTABLE | Sep 4, 2008 | abuse@ |
Network & registry
Announced by
Covering announcement 219.216.0.0/13
- Prefix
- 219.216.0.0/13
- Announced by
- AS4538 China Education and Research Network Center
- Type
- Business
- Proxy exits
- 508
- Always-on exits
- 3
- RPKI
- No RPKI
- RIR
- APNIC
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS4538
CN
- Name
- China Education and Research Network Center
- Type
- Education
- Registered
- Aug 1, 2002
- Domain
- cernet.edu.cn
- Website
- www.edu.cn
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 219.216.0.0/13
219.216.0.0/13
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
IRR
Route objects on 219.216.0.0/13
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS4538 | RADB | PACNET (proxy-registered route object) | MAINT-AS4637 | Nov 13, 2023 |
Whois
Registration for this announcement
219.216.0.0/13 spans several registrations: 5 records are listed under Registrations.
- Registrant country
- AU
- RIR
- APNIC
- Country
- CN
- Delegated
- Apr 16, 2002
- Status
- assigned