AS211585
Maiyun Zhang
AS211585 is Maiyun Zhang (maiyun.me). It announces 256 IPv4 addresses in 1 prefixes, and 5 IPv6 prefixes.
United States· RIPE· allocated 2025-09-05· education
256
IPv4 addresses announced
1
IPv4 prefixes
5
IPv6 prefixes
83.33%
of its routes RPKI-valid
256
of its IPv4 geolocated
1
country
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- United States256 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- MAIYUN
- name
- Maiyun Zhang
- org
- ORG-MZ43-RIPE
- org name
- Maiyun Zhang
- org address
- Pittsburgh, PA, United States
- org country
- US
- country
- US
- source
- ripe
- status
- ASSIGNED
- created
- 2025-09-05
- updated
- 2026-09-20
- remarks
- ---------- UPSTREAMS ---------- / UC San Diego -- AS7377 / Oracle Cloud Infrastructure -- AS31898 / FreeTransit -- AS41051 / HyeHost LLC -- AS47272 / BGPTunnel -- AS209533 / Route64 -- AS212895 / ------------- IX ------------- / EVIX / ------------- END -------------
- maintainer
- RIPE-NCC-END-MNT|MAIYUNZ-MNT
- abuse
- AR80125-RIPE
- abuse name
- Abuse-C Role
- abuse email
- abuse@maiyun.me
- abuse kind
- role
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- None here
- None here
- None here
- None here
- None here
- None here
- Hosting IP24294.53%
- None here
- None here
- None here
- 3.13%
- 0.39%
- None here
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 44.30.70.0/24 | United States | not found | 16 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2001:67c:878::/48 | United States | valid | 19 | 2026-10-02 |
| 2602:f92a:1316::/48 | United States | valid | 18 | 2026-10-02 |
| 2a0f:6282:2100::/45 | United Kingdom | valid | 19 | 2026-10-13 |
| 2a0f:6282:210a::/48 | Canada | valid | 19 | 2026-10-02 |
| 2a0f:6282:210b::/48 | Japan | valid | 19 | 2026-10-02 |
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