What is ASN AS211585?

ASN AS211585 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS211585?

AS211585 is listed under Maiyun Zhang.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

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AS211585 Maiyun Zhang | IPGeolocation.io

ASN Lookup Tool

Maiyun Zhang maiyun.me

US 6 Routes

AS Data

AS211585

AS211585 – Maiyun Zhang

AS Number	211585
AS Name	MAIYUN
Organization	Maiyun Zhang (org-mz43-ripe)
Country	US
Website	maiyun.me
Number of IPv4 Routes	1
Number of IPv6 Routes	5
ASN type	ISP
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2025-09-05

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
2a0f:6282:210b::/48	AS211585	Maiyun Zhang	Maiyun Zhang	~1×10²⁴
2a0b:4b81:1003::/48	AS0		Network Coordination Center	~1×10²⁴
2001:67c:878::/48	AS211585	Maiyun Zhang	Maiyun Zhang	~1×10²⁴
2a0f:6282:2100::/44	AS211585	Maiyun Zhang	Maiyun Zhang	~19×10²⁴
44.30.70.0/24	AS211585	Maiyun Zhang	Amateur Radio Digital Communications	256
2a0f:6282:210a::/48	AS211585	Maiyun Zhang	Maiyun Zhang	~1×10²⁴

Raw Whois Response

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to 'AS208885 - AS214345'

as-block:       AS208885 - AS214345
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2026-07-13T14:17:33Z
last-modified:  2026-07-13T14:17:33Z
source:         RIPE

% Information related to 'AS211585'

% Abuse contact for 'AS211585' is 'abuse@maiyun.me'

aut-num:        AS211585
as-name:        MAIYUN
org:            ORG-MZ43-RIPE
sponsoring-org: ORG-ML942-RIPE
admin-c:        MZ9785-RIPE
tech-c:         MZ9785-RIPE
status:         ASSIGNED
remarks:        ---------- UPSTREAMS ----------
remarks:        Oracle Cloud Infrastructure -- AS31898
mp-import:      afi ipv6.unicast from AS31898 accept ANY
mp-export:      afi ipv6.unicast to AS31898 announce AS211585
remarks:        FreeTransit -- AS41051
mp-import:      afi any.unicast from AS41051 accept ANY
mp-export:      afi any.unicast to AS41051 announce AS211585:AS-ALL
remarks:        HyeHost LLC -- AS47272
mp-import:      afi any.unicast from AS47272 accept ANY
mp-export:      afi any.unicast to AS47272 announce AS211585:AS-ALL
remarks:        BGPTunnel -- AS209533
mp-import:      afi any.unicast from AS209533 accept ANY
mp-export:      afi any.unicast to AS209533 announce AS211585
remarks:        Route64 -- AS212895
mp-import:      afi any.unicast from AS212895 accept ANY
mp-export:      afi any.unicast to AS212895 announce AS211585:AS-ALL
remarks:        ------------- IX -------------
remarks:        BGPTunnel
mp-import:      afi any.unicast from AS209533:AS-BGPTUNNEL accept AS209533:AS-BGPTUNNEL
mp-export:      afi any.unicast to AS209533:AS-BGPTUNNEL announce AS211585:AS-ALL
remarks:        4b42
mp-import:      afi any.unicast from AS-4IXP accept AS-4IXP
mp-export:      afi any.unicast to AS-4IXP announce AS211585:AS-ALL
remarks:        ------------- END -------------
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MAIYUNZ-MNT
created:        2025-09-05T12:33:57Z
last-modified:  2026-07-20T12:26:38Z
source:         RIPE

organisation:   ORG-MZ43-RIPE
org-name:       Maiyun Zhang
org-type:       OTHER
address:        Pittsburgh, PA, United States
country:        US
reg-nr:         Not Applicable
admin-c:        MZ9785-RIPE
tech-c:         MZ9785-RIPE
abuse-c:        AR80125-RIPE
mnt-ref:        HYEHOST-MNT
mnt-by:         MAIYUNZ-MNT
created:        2025-09-04T07:58:01Z
last-modified:  2026-07-23T00:58:41Z
source:         RIPE # Filtered

person:         Maiyun Zhang
address:        Pittsburgh, PA, United States
phone:          +18587293774
nic-hdl:        MZ9785-RIPE
mnt-by:         MAIYUNZ-MNT
created:        2025-09-08T13:35:13Z
last-modified:  2026-07-23T00:56:18Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.123 (BUSA)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS208885 - AS214345",
    "description" : [ "RIPE NCC ASN block" ],
    "remarks" : [ "These AS Numbers are assigned to network operators in the RIPE NCC service region." ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT" ],
    "date_created" : "2026-07-13",
    "date_updated" : "2026-07-13",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS211585",
    "as_name" : "MAIYUN",
    "status" : "ASSIGNED",
    "mp_import" : [ "afi ipv6.unicast from AS31898 accept ANY", "afi any.unicast from AS41051 accept ANY", "afi any.unicast from AS47272 accept ANY", "afi any.unicast from AS209533 accept ANY", "afi any.unicast from AS212895 accept ANY", "afi any.unicast from AS209533:AS-BGPTUNNEL accept AS209533:AS-BGPTUNNEL", "afi any.unicast from AS-4IXP accept AS-4IXP" ],
    "mp_export" : [ "afi ipv6.unicast to AS31898 announce AS211585", "afi any.unicast to AS41051 announce AS211585:AS-ALL", "afi any.unicast to AS47272 announce AS211585:AS-ALL", "afi any.unicast to AS209533 announce AS211585", "afi any.unicast to AS212895 announce AS211585:AS-ALL", "afi any.unicast to AS209533:AS-BGPTUNNEL announce AS211585:AS-ALL", "afi any.unicast to AS-4IXP announce AS211585:AS-ALL" ],
    "organization" : "ORG-MZ43-RIPE",
    "sponsoring_organization" : "ORG-ML942-RIPE",
    "admin_contacts" : [ "MZ9785-RIPE" ],
    "tech_contacts" : [ "MZ9785-RIPE" ],
    "remarks" : [ "---------- UPSTREAMS ----------", "Oracle Cloud Infrastructure -- AS31898", "FreeTransit -- AS41051", "HyeHost LLC -- AS47272", "BGPTunnel -- AS209533", "Route64 -- AS212895", "------------- IX -------------", "BGPTunnel", "4b42", "------------- END -------------" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "MAIYUNZ-MNT" ],
    "date_created" : "2025-09-05",
    "date_updated" : "2026-07-20",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-MZ43-RIPE",
    "name" : "Maiyun Zhang",
    "type" : "OTHER",
    "address" : [ "Pittsburgh, PA, United States" ],
    "city" : "Pittsburgh",
    "state" : "PA",
    "country" : [ "US" ],
    "admin_contacts" : [ "MZ9785-RIPE" ],
    "tech_contacts" : [ "MZ9785-RIPE" ],
    "abuse_contacts" : [ "AR80125-RIPE" ],
    "mnt_ref" : [ "HYEHOST-MNT" ],
    "mnt_by" : [ "MAIYUNZ-MNT" ],
    "date_created" : "2025-09-04",
    "date_updated" : "2026-07-23",
    "source" : "RIPE",
    "addressCountry" : "UNITED STATES"
  },
  "administrative_contacts" : [ {
    "handle" : "MZ9785-RIPE",
    "name" : "Maiyun Zhang",
    "address" : [ "Pittsburgh, PA, United States" ],
    "city" : "Pittsburgh",
    "state" : "PA",
    "country" : "UNITED STATES",
    "phone" : [ "+18587293774" ],
    "mnt_by" : [ "MAIYUNZ-MNT" ],
    "date_created" : "2025-09-08",
    "date_updated" : "2026-07-23",
    "source" : "RIPE",
    "addressCountry" : "UNITED STATES"
  } ],
  "technical_contacts" : [ {
    "handle" : "MZ9785-RIPE",
    "name" : "Maiyun Zhang",
    "address" : [ "Pittsburgh, PA, United States" ],
    "city" : "Pittsburgh",
    "state" : "PA",
    "country" : "UNITED STATES",
    "phone" : [ "+18587293774" ],
    "mnt_by" : [ "MAIYUNZ-MNT" ],
    "date_created" : "2025-09-08",
    "date_updated" : "2026-07-23",
    "source" : "RIPE",
    "addressCountry" : "UNITED STATES"
  } ]
}

Peers

AS Number	Description	Country
AS31898	Oracle Corporation	US
AS209533	iFog GmbH	CH
AS397700	LXXIX Project Lab LLC	US
AS62787	Snark Holding Corp.	US
AS213409	Daniil Koval	UA
AS35708	4b42 UG	DE
AS212895	Johannes Ernst	DE
AS41051	Openfactory GmbH	CH
AS41051	FREETRANSIT Project	CH
AS213124	zylinktech LLC	US
AS213905	ISPLABS LIMITED	GB
AS203314	HATS NETWORK INC.	CA
AS26533	STiBaRC	US
AS206208	Pusic Jurai	ES
AS11472	Your Town Online	US
AS22915	Acuity Technologies LLC	US
AS47272	HYEHOST LLC	US

Upstreams

AS Number	Description	Country
AS31898	Oracle Corporation	US
AS209533	iFog GmbH	CH
AS212895	Johannes Ernst	DE
AS41051	FREETRANSIT Project	CH
AS47272	HYEHOST LLC	US