Data as of Nov 13, 2026
203.239.96.0/22
No anonymizer space · no proxy exits in 30 daysHMM · space held by Sejong Networks
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 203.239.0.0/17 since May 2005 | AS9848 | Internet provider | 1 | Sejong Networks |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 203.239.97.0/24 since Jun 2022 | AS131820 | Business | Sejong Networks | |
| 203.239.99.0/24 since Jun 2022 | AS131820 | Business | Sejong Networks |
Network & registry
Origin network
AS131820
KR
- Name
- HMM
- Type
- Business
- Registered
- Aug 1, 2011
- Domain
- hmm21.com
- Website
- www.hmm21.com/
- Industry
- Freight, Shipment, and Postal Services
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Mar 2022
- Current origin since
- Mar 2022 · 4.6 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS131820 | RADB | HMM21-AS-KR | MAINT-AS9318 | Nov 13, 2023 |
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 203.239.96.0/24 | AS131820 | RADB | HMM21-AS-KR | MAINT-AS9318 | Nov 13, 2023 |
| 203.239.98.0/24 | AS131820 | RADB | HMM21-AS-KR | MAINT-AS9318 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 203.
239. 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
- Sep 29, 1996
- Status
- assigned
Report abuse
Abuse contact
- irt@
nic. or. kr - Name
- IRT-KRNIC-KR
- Handle
- IRT-KRNIC-KR