Data as of Nov 7, 2026
61.250.64.0/18
No anonymizer space · no proxy exits in 30 daysSejong Networks
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 |
|---|---|---|---|---|
| 61.250.84.0/22 since Apr 2025 | AS9952 | Hosting | Sejong Networks | |
| 61.250.84.0/24 since Oct 2024 | AS9952 | Hosting | Sejong Networks | |
| 61.250.85.0/24 since Oct 2020 | AS9952 | Hosting | Sejong Networks | |
| 61.250.86.0/24 since Apr 2024 | AS9952 | Hosting | Sejong Networks | |
| 61.250.87.0/24 since May 2020 | AS9952 | Hosting | Sejong Networks | |
| 61.250.88.0/24 since Apr 2024 | AS9952 | Hosting | Sejong Networks | |
| 61.250.91.0/24 since Apr 2024 | AS9952 | Hosting | Sejong Networks | |
| 61.250.92.0/23 since Apr 2025 | AS9952 | Hosting | Sejong Networks | |
| 61.250.92.0/24 since Jun 2019 | AS9952 | Hosting | Sejong Networks | |
| 61.250.93.0/24 since Feb 2024 | AS9952 | Hosting | Sejong Networks | |
| 61.250.103.0/24 since Sep 2008 | AS45361 | Residential | Sejong Networks | |
| 61.250.104.0/24 since Sep 2008 | AS45361 | Residential | Sejong Networks | |
| 61.250.105.0/24 since Sep 2008 | AS45361 | Residential | Sejong Networks | |
| 61.250.106.0/24 since Sep 2008 | AS45361 | Residential | Sejong Networks | |
| 61.250.107.0/24 since Sep 2008 | AS45361 | Residential | Sejong Networks | |
| 61.250.111.0/24 since Jun 2026 | AS23588 | Hosting | Sejong Networks |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 61.250.64.0/19 | 8,192 | SEJONG | Sejong Networks | ALLOCATED PORTABLE | — | hostmaster@ |
| 61.250.96.0/19 | 8,192 | SEJONG | Sejong Networks | ALLOCATED PORTABLE | — | hostmaster@ |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
16,384 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Unknown | 12,800 | 78% | 6 | |
| Hosting | 2,304 | 14% | 9 | |
| Residential | 1,280 | 7.8% | 5 |
Network & registry
IPv4 market
Holder
- Organization
- Not stated by the 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
- Stable
- First seen
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS9848 | RADB | PACNET (proxy-registered route object) | MAINT-AS4637 | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 61.250.80.0/20 | AS9952 | RADB | SejongTelecom.co.ltd | MAINT-AS4670 | Apr 3, 2025 |
| 61.250.83.0/24 | AS9848 | REACH | REACH (Customer Route) | MAINT-REACH-NOC | Apr 10, 2007 |
| 61.250.119.0/24 | AS9318 | RADB | as9848 ONSETELECOM | MAINT-AS9318 | Nov 13, 2023 |
Whois
Registration for this announcement
61.250.64.0/18 spans several registrations: 2 records are listed under Registrations.
- Registrant country
- AU
- RIR
- APNIC
- Country
- KR
- Delegated
- Mar 21, 2001
- Status
- assigned