AS18177 NCKU-TW National Cheng Kung University
๐น๐ผOrg handle: A91BDB29
National Cheng Kung University
APNICallocated
Announced Prefixes (BGP)
89total
89 IPv40 IPv6
IPv4 Addresses
Allocated (RIR)66,048
Announced (BGP)445,696
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)0
Prefix Limit (IPv4)
200
Prefix Limit (IPv6)
5
Country
๐น๐ผ TWRIR
APNICStatus
allocated
Allocated
2002-04-05
Announced Prefixes
(BGP)89|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | - | 2026-10-10 | |
| Valid | - | 2026-10-10 | |
| Valid | - | 2026-10-10 | |
| Valid | - | 2026-10-10 | |
| Valid | - | 2026-10-10 | |
| Valid | - | 2026-10-10 | |
| Valid | - | 2026-10-10 | |
| Valid | - | 2026-10-10 | |
| Valid | - | 2026-10-10 | |
| Valid | - | 2026-10-10 |
1-10 of 89
1 / 9
Allocated Prefixes
(RIR)2Prefix | Country | RIR | Status |
|---|---|---|---|
| 140.116.0.0/16 | ๐น๐ผ TW | APNIC | assigned |
| 192.83.182.0/23 | ๐น๐ผ TW | APNIC | assigned |
All 89 announced prefixes of AS18177 โ
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS18177 hands its own prefixes to: transit providers, or peers at an exchange.
- AS3462Data Communication Business Group89
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 AS18177 should publish an ASPA object
- IPv4 transfers in the APNIC regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/18177Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/18177" | jq