Data as of Nov 3, 2026
210.112.32.0/19
No anonymizer space · no proxy exits in 30 daysSejong Networks
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 210.112.0.0/17 since May 2005 | AS9848 | Internet provider | 2 1 always on | Sejong Networks |
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 | Holder | RPKI |
|---|---|---|---|---|
| 210.112.48.0/24 since Feb 2026 | AS4670 | Residential | Sejong Networks | |
| 210.112.50.0/24 since Feb 2026 | AS4670 | Residential | Sejong Networks | |
| 210.112.51.0/24 since Feb 2026 | AS4670 | Residential | Sejong Networks | |
| 210.112.53.0/24 since Feb 2026 | AS4670 | Residential | Sejong Networks | |
| 210.112.55.0/24 since Feb 2026 | AS4670 | Residential | Sejong Networks | |
| 210.112.57.0/24 since Feb 2026 | AS4670 | Residential | Sejong Networks | |
| 210.112.58.0/24 since Feb 2026 | AS4670 | Residential | Sejong Networks | |
| 210.112.60.0/24 since Feb 2026 | AS4670 | Residential | Sejong Networks | |
| 210.112.61.0/24 since Feb 2026 | AS4670 | Residential | Sejong Networks | |
| 210.112.63.0/24 since Feb 2026 | AS4670 | Residential | Sejong Networks |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
8,192 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 5,632 | 69% | 7 | |
| Residential | 2,560 | 31% | 10 |
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
- Stable
- First seen
- Aug 2020
- Current origin since
- Aug 2020 · 6.2 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS9848 | RADB | SejongTelecom.co.ltd | MAINT-AS4670 | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 210.112.48.0/20 | AS9765 | RADB | VTOPIA | MAINT-AS4766 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 210.112.0.0/17
- 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
- Apr 30, 1997
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- IRT-KRNIC-KR
- Handle
- IRT-KRNIC-KR