Data as of Nov 4, 2026
203.253.240.0/22
No anonymizer space · no proxy exits in 30 daysKorea Basic Science Institute
Network & registry
Announced by
Covering announcement 203.253.240.0/21
- Prefix
- 203.253.240.0/21
- Announced by
- AS9637 Korea Basic Science Institute
- Type
- Business
- RPKI
- No RPKI
- Netname
- KBSC-NET-KR
- Registrant
- Korea Basic Science Institute
- RIR
- APNIC
Origin network
AS9637
KR
- Name
- Korea Basic Science Institute
- Type
- Education
- Registered
- Aug 18, 1999
- Domain
- mireco.or.kr
- Industry
- Manufacturing
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 203.253.240.0/21
203.253.240.0/21
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Dec 2020 · 5.9 yr
- Origin networks
- 2
- Last change of origin
- Dec 2020
Recorded history
History
- Handoffs
- 1
IRR
Route objects on 203.253.240.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS1237 not the origin | RADB | contact [email protected] if necessary | MAINT-AS3786 | Nov 13, 2023 |
| AS9318 not the origin | REACH | REACH (Customer Route) | MAINT-REACH-NOC | Jun 4, 2004 |
| AS9637 | RADB | SejongTelecom.co.ltd | MAINT-AS4670 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 203.253.240.0/21
- Netname
- KBSC-NET-KR
- Registrant
- Korea Basic Science Institute
- Registrant country
- KR
- Organization
- Korea Basic Science Institute
- Org country
- KR
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Maintainer
- MNT-KRNIC-AP
- RIR
- APNIC
- Country
- KR
- Delegated
- Sep 29, 1996
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- IRT-KRNIC-KR
- Handle
- IRT-KRNIC-KR