AS23563 SKB-VITSSEN-SUWON-AS-KR SK Broadband Co Ltd
Announced Prefixes (BGP)
196total
196 IPv40 IPv6
IPv4 Addresses
Allocated (RIR)204,800
Announced (BGP)289,536
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)0
Prefix Limit (IPv4)
500
Prefix Limit (IPv6)
5
Allocated
-
Announced Prefixes
(BGP)196|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | Other IRR | 2026-10-10 | |
| No ROA | - | 2026-10-10 | |
| No ROA | - | 2026-10-10 | |
| No ROA | - | 2026-10-10 | |
| No ROA | - | 2026-10-10 | |
| No ROA | - | 2026-10-10 | |
| No ROA | - | 2026-10-10 | |
| No ROA | - | 2026-10-10 | |
| No ROA | - | 2026-10-10 | |
| No ROA | - | 2026-10-10 |
1-10 of 196
1 / 20
Allocated Prefixes
(RIR)7Prefix | Country | RIR | Status |
|---|---|---|---|
| 27.119.0.0/17 | 🇰🇷 KR | APNIC | allocated |
| 114.29.128.0/19 | 🇰🇷 KR | APNIC | allocated |
| 114.108.0.0/17 | 🇰🇷 KR | APNIC | allocated |
| 119.17.64.0/18 | 🇰🇷 KR | APNIC | allocated |
| 121.254.0.0/18 | 🇰🇷 KR | APNIC | allocated |
| 218.209.0.0/16 | 🇰🇷 KR | APNIC | allocated |
| 222.251.128.0/17 | 🇰🇷 KR | APNIC | allocated |
All 196 announced prefixes of AS23563 →
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS23563 hands its own prefixes to: transit providers, or peers at an exchange.
- AS9318SK Broadband196
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 AS23563 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/23563Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/23563" | jq