Data as of Nov 4, 2026
211.236.236.0/22
No anonymizer space · no proxy exits in 30 daysSejong Networks
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 211.236.224.0/20 since Aug 2020 | AS9848 | Internet provider | Sejong Networks | ||
| 211.236.224.0/19 since Aug 2005 | AS9848 | Internet provider | 1 | Sejong Networks |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 211.236.236.0/24 since Feb 2026 | AS4670 | Residential | Sejong Networks | |
| 211.236.237.0/24 since Feb 2026 | AS4670 | Residential | Sejong Networks | |
| 211.236.238.0/24 since Feb 2026 | AS4670 | Residential | Sejong Networks | |
| 211.236.239.0/24 since Feb 2026 | AS4670 | Residential | Sejong Networks |
Network & registry
Origin network
AS9848
KR
- Name
- Sejong Networks
- Type
- Internet provider
- Registered
- Feb 4, 2000
- Domain
- sejongnetworks.com
- Website
- en.sejongnetworks.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Reactivated
- First seen
- Feb 2008
- Current origin since
- Sep 2022 · 4.1 yr
- Origin networks
- 2
- Last change of origin
- Sep 2022
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 211.
236. 224. 0/ 19 - Netname
- SEJONG-KR
- Registrant
- Sejong Networks
- Registrant country
- KR
- Organization
- Sejong Networks
- Org country
- KR
- Type
- ALLOCATED PORTABLE
- Created
- Not stated by the registry
- Maintainer
- MNT-KRNIC-AP
- RIR
- APNIC
- Country
- KR
- Delegated
- Sep 8, 2000
- Status
- assigned
Report abuse
Abuse contact
- irt@
nic. or. kr - Name
- IRT-KRNIC-KR
- Handle
- IRT-KRNIC-KR