Data as of Nov 14, 2026
210.122.0.0/20
No anonymizer space · no proxy exits in 30 daysSejong Networks
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 210.122.0.0/24 since Jan 2025 | AS9952 | Hosting | Sejong Networks | |
| 210.122.1.0/24 since May 2018 | AS9952 | Hosting | Sejong Networks | |
| 210.122.6.0/24 since Mar 2025 | AS9952 | Hosting | Sejong Networks | |
| 210.122.9.0/24 since Jan 2025 | AS9952 | Hosting | Sejong Networks |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
4,096 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Internet provider | 3,072 | 75% | 3 | |
| Hosting | 1,024 | 25% | 4 |
Network & registry
Announced by
Covering announcement 210.122.0.0/16
- Prefix
- 210.122.0.0/16
- Announced by
- AS9848 Sejong Networks
- Type
- Internet provider
- RPKI
- No RPKI
- Netname
- SEJONG-KR
- Registrant
- Sejong Networks
- RIR
- APNIC
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 210.122.0.0/16
210.122.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 210.
122. 0. 0/ 16 - 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
- Nov 26, 1996
- Status
- assigned
Report abuse
Abuse contact
- irt@
nic. or. kr - Name
- IRT-KRNIC-KR
- Handle
- IRT-KRNIC-KR