AS209300
🇨🇳TWD2-NET Wende TanORG-WT43-RIPE
TWD2 Education and Research Network
RIPENCCallocatedASPA Published
Announced Prefixes (BGP)
7total
1 IPv46 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)256
IPv6 Addresses ⓘ
Allocated (RIR)7.9×10^28
Announced (BGP)7.9×10^28
Prefix Limit (IPv4)
10
Prefix Limit (IPv6)
20
Country
🇨🇳 CN
RIR
RIPENCC
Status
allocated
Allocated
3/1/2019
Announced Prefixes
(BGP)7|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | RADB | 5/23/2026 | |
| Valid | APNICRADB | 5/23/2026 | |
| Valid | APNIC | 5/23/2026 | |
| Valid | APNIC | 5/23/2026 | |
| Valid | RIPE | 5/23/2026 | |
| Valid | — | 5/23/2026 | |
| Valid | — | 5/23/2026 |
Allocated Prefixes
(RIR)5Prefix | Country | RIR | Status |
|---|---|---|---|
| 2404:f4c0:f000::/44 | 🇨🇳 CN | APNIC | assigned |
| 2a05:1085::/32 | 🇬🇧 GB | RIPE | assigned |
| 2a0c:b641:570::/44 | 🇬🇧 GB | RIPE | assigned |
| 2a0c:b641:570::/48 | 🇬🇧 GB | RIPE | assigned |
| 2a0c:b641:573::/48 | 🇬🇧 GB | RIPE | assigned |
Upstream Providers(10)
| ASN | Name |
|---|---|
| AS4842 | 🇨🇳TH-AS-AP - Tianhai InfoTech |
| AS6939 | 🇺🇸HURRICANE - Hurricane Electric LLC |
| AS8772 | 🇺🇦NLineLLC NetAssist LLC |
| AS20473 | 🇺🇸AS-VULTR - The Constant Company, LLC |
| AS24239 | 🇨🇳TWD2-NET-AS-AP - TWD2 Education and Research Network |
| AS29632 | 🇧🇬NASSIST-AS Netassist International EOOD |
| AS38255 | 🇨🇳FITI-AS-AP - China Education and Research Network (CERNET) |
| AS45576 | 🇨🇳CERNET2-TSINGHUA6-AS-AP - Tsinghua University |
| AS142650 | 🇨🇳AS142650-1 - China Education and Research Network (CERNET) |
| AS212683 | 🇬🇧OLILO-AS Olilo UK & Ireland Ltd |
ASPA
Published10 upstreams, 0 downstreams
Authorized Upstream Providers
Expires May 31, 2026
Abuse Contact
External Links
API
Open https://api.ipctl.io/v1/asn/209300Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/209300" | jq