Data as of Nov 6, 2026
203.231.109.0/24
No anonymizer space · no proxy exits in 30 daysZenlayer Inc · space held by Sejong Networks
Announcement
this exact prefix
No RPKI
Announced by
Type
Hosting
Risk
50 / 100 · Medium
Recently moved
Recent change
New origin Sep 18, 2026
from AS9848 Sejong Networks
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 203.231.104.0/21 since Jun 2025 | AS9848 | Internet provider | 1 | Sejong Networks | |
| 203.231.0.0/16 since May 2005 | AS9848 | Internet provider | 15 | Sejong Networks |
Network & registry
Origin network
AS21859
US
- Name
- Zenlayer Inc
- Type
- Hosting
- Registered
- Apr 2, 2013
- Domain
- zenlayer.com
- Website
- www.zenlayer.com
- Industry
- Hosting and Cloud Provider
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 314
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Jun 2025
- Current origin since
- Sep 18, 2026 · 2 mo
- Origin networks
- 2
- Last change of origin
- Sep 18, 2026
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 203.
231. 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
- Apr 23, 1996
- Status
- assigned
Report abuse
Abuse contact
- irt@
nic. or. kr - Name
- IRT-KRNIC-KR
- Handle
- IRT-KRNIC-KR