Data as of Nov 6, 2026
211.172.96.0/20
No anonymizer space · no proxy exits in 30 daysSejong Networks
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 211.172.96.0/21 since Jul 2026 | AS9848 | Internet provider | Sejong Networks | |
| 211.172.104.0/21 since Aug 2025 | AS9848 | Internet provider | 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
Who has announced this prefix
Summary
Routing history
- Pattern
- Reactivated
- First seen
- Aug 2005
- Current origin since
- Aug 2025 · 1.3 yr
- Origin networks
- 2
- Last change of origin
- Aug 2025
Recorded history
History
- Handoffs
- 2
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS9845 not the origin | RADB | PACNET (proxy-registered route object) | MAINT-AS4637 | Nov 13, 2023 |
| AS9848 | RADB | SejongTelecom.co.ltd | MAINT-AS4670 | Nov 11, 2025 |
| AS18305 not the origin | RADB | contact [email protected] if necessary | MAINT-AS3786 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 211.
172. 96. 0/ 20 - 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
- May 26, 2000
- Status
- assigned
Report abuse
Abuse contact
- irt@
nic. or. kr - Name
- IRT-KRNIC-KR
- Handle
- IRT-KRNIC-KR