Data as of Nov 14, 2026
210.110.0.0/21
No anonymizer space · no proxy exits in 30 daysKorea Telecom · space held by Korean Education Network
Announcements
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 |
|---|---|---|---|---|
| 210.110.0.0/24 since Feb 2017 | AS4766 | Residential | Korean Education Network | |
| 210.110.1.0/24 since Feb 2017 | AS4766 | Residential | Korean Education Network | |
| 210.110.2.0/24 since Feb 2017 | AS4766 | Residential | Korean Education Network | |
| 210.110.3.128/25 | AS4766 | Business | Korean Education Network | |
| 210.110.4.0/24 since Feb 2017 | AS4766 | Residential | Korean Education Network | |
| 210.110.5.0/24 since Feb 2017 | AS4766 | Residential | Korean Education Network | |
| 210.110.6.0/24 since Feb 2017 | AS4766 | Residential | Korean Education Network | |
| 210.110.7.0/24 since Feb 2017 | AS4766 | Residential | Korean Education Network |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
2,048 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 1,920 | 94% | 8 | |
| Business | 128 | 6.3% | 1 |
Network & registry
Announced by
Covering announcement 210.110.0.0/17
- Prefix
- 210.110.0.0/17
- Announced by
- AS4766 Korea Telecom
- Type
- Residential
- Proxy exits
- 104
- RPKI
- No RPKI
- Netname
- KREN-KR
- Registrant
- Korean Education Network
- RIR
- APNIC
Origin network
AS4766
KR
- Name
- Korea Telecom
- Type
- Internet provider
- Registered
- Apr 22, 1996
- Domain
- kt.com
- Website
- www.kt.com/eng/main.jsp
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 2
Routing timeline
Who has announced 210.110.0.0/17
210.110.0.0/17
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
IRR
Route objects on 210.110.0.0/17
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS3786 not the origin | RADB | contact [email protected] if necessary | MAINT-AS3786 | Nov 13, 2023 |
| AS4766 | RADB | Sungsim College of Foreign Languages | MAINT-AS4766 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 210.
110. 0. 0/ 17 - Netname
- KREN-KR
- Registrant
- Korean Education Network
- Registrant country
- KR
- Organization
- Korean Education Network
- 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
- irt@
nic. or. kr - Name
- IRT-KRNIC-KR
- Handle
- IRT-KRNIC-KR