AS211585 MAIYUN Maiyun Zhang
🇺🇸Org handle: ORG-MZ43-RIPE
RIPE NCCallocatedASPA Published
Announced Prefixes (BGP)
8total
1 IPv47 IPv6
IPv4 Addresses
Allocated (RIR)0
Announced (BGP)256
IPv6 Addresses
Allocated (RIR)4.1×10²⁵
Announced (BGP)3.5×10²⁵
Routing hygiene
Score 19/100 · Low riskRPKI ROA coverage
62.5%
no RPKI invalid prefixes
IRR route objects
75%
no origin mismatches
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
3
diversity 59/100
- 38% of announced prefixes (3 of 8) have no valid ROA
- 25% of announced prefixes (2 of 8) have no IRR route object for this ASN
Based on 8 announced prefixes, updated daily (2026-10-22). How the score works · RPKI explained
Announced Prefixes
(BGP)8|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | Other IRR | 2026-10-25 | |
| Valid | RIPE | 2026-10-25 | |
| Valid | ARIN | 2026-10-25 | |
| No ROA | - | 2026-10-25 | |
| No ROA | - | 2026-10-25 | |
| Valid | RIPE | 2026-10-25 | |
| Valid | RIPE | 2026-10-25 | |
| Valid | RIPE | 2026-10-25 |
Allocated Prefixes
(RIR)8Prefix | Country | RIR | Status |
|---|---|---|---|
| 2001:67c:878::/48 | 🇺🇸 US | RIPENCC | assigned |
| 2a0f:6282:2100::/44 | 🇺🇸 US | RIPE | assigned |
| 2a0f:6282:2100::/45 | 🇬🇧 GB | RIPE | assigned |
| 2a0f:6282:2101::/48 | 🇨🇳 CN | RIPE | assigned |
| 2a0f:6282:2108::/47 | 🇺🇸 US | RIPE | assigned |
| 2a0f:6282:210a::/48 | 🇨🇦 CA | RIPE | assigned |
| 2a0f:6282:210b::/48 | 🇯🇵 JP | RIPE | assigned |
| 2a0f:6282:210c::/46 | 🇨🇳 CN | RIPE | assigned |
All 8 announced prefixes of AS211585 →
Abuse Contact
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
- How to run an ASPA checkVerify the upstream providers listed above
- IPv4 transfers in the RIPE NCC 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/211585Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/211585" | jq