AS204921
🇬🇧YunZheng-Network zhenyun sunORG-ZS89-RIPE
Yunzheng.Space Research Network
RIPENCCallocated
Announced Prefixes (BGP)
10total
3 IPv47 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)1,024
IPv6 Addresses ⓘ
Allocated (RIR)8×10^28
Announced (BGP)3.3×10^26
Prefix Limit (IPv4)
10
Prefix Limit (IPv6)
50
Country
🇬🇧 GB
RIR
RIPENCC
Status
allocated
Allocated
10/10/2025
Announced Prefixes
(BGP)10|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | RADB | 5/30/2026 | |
| Valid | ARIN | 5/30/2026 | |
| Valid | ARIN | 5/30/2026 | |
| Valid | RIPE | 5/30/2026 | |
| Valid | RIPE | 5/30/2026 | |
| Valid | RIPE | 5/30/2026 | |
| Valid | RIPE | 5/30/2026 | |
| Valid | RIPE | 5/30/2026 | |
| No ROA | — | 5/30/2026 | |
| No ROA | — | 5/30/2026 |
Allocated Prefixes
(RIR)14Prefix | Country | RIR | Status |
|---|---|---|---|
| 2a0e:aa07:e250::/44 | 🇬🇧 GB | RIPE | assigned |
| 2a0e:aa07:e251::/48 | 🇯🇵 JP | RIPE | assigned |
| 2a0e:aa07:e252::/48 | 🇹🇼 TW | RIPE | assigned |
| 2a0e:aa07:e253::/48 | ðŸ‡ðŸ‡° HK | RIPE | assigned |
| 2a0e:aa07:e254::/48 | 🇨🇳 CN | RIPE | assigned |
| 2a0e:aa07:e255::/48 | 🇨🇳 CN | RIPE | assigned |
| 2a0e:aa07:e256::/48 | 🇩🇪 DE | RIPE | assigned |
| 2a0f:7800:900::/40 | 🇯🇵 JP | RIPE | assigned |
| 2a0f:7800:ff60::/44 | 🇬🇧 GB | RIPE | assigned |
| 2a0f:7803:f4a0::/44 | 🇬🇧 GB | RIPE | assigned |
1–10 of 14
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Downstream Customers(1)
| ASN | Name |
|---|---|
| AS207529 | 🇬🇧NyanLoliNetwork NYANLOLI LTD |
Abuse Contact
External Links
API
Open https://api.ipctl.io/v1/asn/204921Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/204921" | jq