203.237.128.0/19
🇰🇷CIDR
203.237.128.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇰🇷 South Korea
City
Yongun-dong
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.237.128.0/19 | AS3786LGDACOM-KR - LG DACOM Corporation | No ROA | RADB | 6/1/2026 |
Covering Prefix
9 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.237.128.0/17 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 6/1/2026 |
| 203.237.128.0/20 | AS23983DJU-AS-KR-KR - Daejeon University | No ROA | — | 6/1/2026 |
| 203.237.144.0/21 | AS23983DJU-AS-KR-KR - Daejeon University | No ROA | — | 6/1/2026 |
| 203.237.152.0/23 | AS23983DJU-AS-KR-KR - Daejeon University | No ROA | — | 6/1/2026 |
| 203.237.159.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 6/1/2026 |
| 203.237.154.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 6/1/2026 |
| 203.237.156.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 6/1/2026 |
| 203.237.157.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 6/1/2026 |
| 203.237.158.0/24 | AS4766KIXS-AS-KR-KR - Korea Telecom | No ROA | — | 6/1/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS3786 | RADB | MAINT-AS3786 | 11/13/2023 |
Origin ASN
AS3786
LGDACOM-KR - LG DACOM Corporation
Geolocation
API
Open https://api.ipctl.io/v1/prefix/203.237.128.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.237.128.0/19" | jq
External Links