AS18305 POSNET POSCO DX
Announced Prefixes (BGP)
62total
62 IPv40 IPv6
IPv4 Addresses
Allocated (RIR)57,344
Announced (BGP)75,520
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)0
Prefix Limit (IPv4)
200
Prefix Limit (IPv6)
5
Allocated
-
Announced Prefixes
(BGP)62|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 | |
| No ROA | Other IRR | 2026-10-11 |
1-10 of 62
1 / 7
Allocated Prefixes
(RIR)4Prefix | Country | RIR | Status |
|---|---|---|---|
| 203.241.0.0/19 | 🇰🇷 KR | APNIC | allocated |
| 203.244.32.0/19 | 🇰🇷 KR | APNIC | allocated |
| 203.244.64.0/19 | 🇰🇷 KR | APNIC | allocated |
| 203.245.128.0/17 | 🇰🇷 KR | APNIC | allocated |
ASPA
No ASPA
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- ASPA explainedWhy AS18305 should publish an ASPA object
- IPv4 transfer marketTransfers published by all five RIRs
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/18305Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/18305" | jq