Data as of Nov 7, 2026
203.242.72.0/21
No anonymizer space · no proxy exits in 30 daysSK Co.
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 |
|---|---|---|---|---|---|---|
| 203.242.72.0/24 | 256 | SK-NET | SK Co. | ALLOCATED PORTABLE | — | hostmaster@ |
| 203.242.73.0/24 | 256 | SK-NET | SK Co. | ALLOCATED PORTABLE | — | hostmaster@ |
| 203.242.74.0/24 | 256 | SK-NET | SK Co. | ALLOCATED PORTABLE | — | hostmaster@ |
| 203.242.75.0/24 | 256 | SK-NET | SK Co. | ALLOCATED PORTABLE | — | hostmaster@ |
| 203.242.76.0/24 | 256 | SK-NET | SK Co. | ALLOCATED PORTABLE | — | hostmaster@ |
| 203.242.77.0/24 | 256 | SK-NET | SK Co. | ALLOCATED PORTABLE | — | hostmaster@ |
| 203.242.78.0/24 | 256 | SK-NET | SK Co. | ALLOCATED PORTABLE | — | hostmaster@ |
| 203.242.79.0/24 | 256 | SK-NET | SK Co. | ALLOCATED PORTABLE | — | hostmaster@ |
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS10049
KR
- Name
- SK Co.
- Type
- Business
- Registered
- Jun 16, 2000
- Domain
- sk.com
- Website
- www.sk.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jun 2016
- Current origin since
- Jun 2016 · 10 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS10049 | RADB | Transit customer route announce | MAINT-AS9318 | Nov 13, 2023 |
Whois
Registration for this announcement
203.242.72.0/21 spans several registrations: 8 records are listed under Registrations.
- Registrant country
- AU
- RIR
- APNIC
- Country
- KR
- Delegated
- Sep 29, 1996
- Status
- assigned