206208 looking glass

AS204921 zhenyun sun 🇬🇧 GB

Announcing 25 prefixes, seen at the RIS collectors.

IPv4 prefixes
6
2,816 (11 × /24)
IPv6 prefixes
19
34 × /48
Upstreams
15
transit providers observed
Peers
7
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS204921
Name
zhenyun sun
Organisation
ZHENYUN VNET RESEARCH NETZ
Country
🇬🇧 GB
RIR
RIPENCC
Allocated
2025-10-10
Network type
Educational/Research
Traffic levels
10-20Gbps
Scope
Global
Peering policy
Open
IRR as-set
RADB::AS-YUNZHENG
Website
https://as204921.net
Looking glass
https://lg.yunzheng.space/
PeeringDB
net/40543
Exchanges
11
Facilities
4

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

25 valid (100.0%) 0 invalid (0.0%) 0 no ROA (0.0%)

Whois

Fetched from whois.ripe.net

as-block:       AS203940 - AS205662
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:        2026-03-05T15:29:31Z
last-modified:  2026-03-05T15:29:31Z
source:         RIPE

aut-num:        AS204921
as-name:        YunZheng-Network
descr:          Yunzheng.Space Research Network
remarks:        Geofeed: https://files.yunzheng.space/webdav/geofeed.csv
org:            ORG-ZS89-RIPE
remarks:        ==================================================
remarks:        | UPSTREAMS
remarks:        ==================================================
remarks:        | RAID NETWORK - TPE
mp-import:      afi any.unicast from AS18423 accept ANY
mp-export:      afi any.unicast to AS18423 announce AS-YUNZHENG
remarks:        | STE NETWORK - AMS
mp-import:      afi any.unicast from AS204539 accept ANY
mp-export:      afi any.unicast to AS204539 announce AS-YUNZHENG
remarks:        | IDC Cube - HKG
mp-import:      afi any.unicast from AS36530 accept ANY
mp-export:      afi any.unicast to AS36530 announce AS-YUNZHENG
remarks:        | Sky Digital Co., Ltd. - TPE
mp-import:      afi any.unicast from AS134823 accept ANY
mp-export:      afi any.unicast to AS134823 announce AS-YUNZHENG
remarks:        | HE.NET - TPE
mp-import:      afi any.unicast from AS6939 accept ANY
mp-export:      afi any.unicast to AS6939 announce AS-YUNZHENG
remarks:        | AboveNet - TPE
mp-import:      afi any.unicast from AS17408 accept ANY
mp-export:      afi any.unicast to AS17408 announce AS-YUNZHENG
remarks:        | Bling Network Ltd - FRA
mp-import:      afi any.unicast from AS51087 accept ANY
mp-export:      afi any.unicast to AS51087 announce AS-YUNZHENG
remarks:        | HYW GLOBAL LLC - TYO
mp-import:      afi any.unicast from AS11421 accept ANY
mp-export:      afi any.unicast to AS11421 announce AS-YUNZHENG
remarks:        | CYBERVERSE LLC - TYO
mp-import:      afi any.unicast from AS216211 accept ANY
mp-export:      afi any.unicast to AS216211 announce AS-YUNZHENG
remarks:        ==================================================
remarks:        | INTERNET EXCHNAGE POINTS
remarks:        ==================================================
remarks:        - CXIX | Great Lakes
mp-import:      from AS402298 accept ANY
mp-export:      to AS402298 announce AS-YUNZHENG
remarks:        - STUIX | stuix.io
mp-import:      from AS38855 accept ANY
mp-export:      to AS38855 announce AS-YUNZHENG
remarks:        - TPIX-TW | tpix.net.tw
mp-import:      from AS10133 accept ANY
mp-export:      to AS10133 announce AS-YUNZHENG
remarks:        =================================================
sponsoring-org: ORG-ANL45-RIPE
admin-c:        ZS2129-RIPE
tech-c:         ZS2129-RIPE
remarks:        b222bfa2d373adb3b9314a52c0f4512b
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         ZYS-MNT
created:        2025-10-10T09:11:08Z
last-modified:  2026-09-09T05:36:31Z
source:         RIPE

organisation:   ORG-ZS89-RIPE
remarks:        ====================================
org-name:       zhenyun sun
descr:          zhenyun.sun - YunZheng.Space/Network
remarks:        ====================================
country:        GB
reg-nr:         Not Applicable
language:       EN
language:       ZH
remarks:        ====================================
org-type:       OTHER
address:        Tartu mnt 67/1-13b, Harjuuma
address:        10115
address:        Tallinn
address:        Estonia
phone:          +852-31651702
remarks:        ====================================
admin-c:        ZS2129-RIPE
tech-c:         ZS2129-RIPE
abuse-c:        ACRO61962-RIPE
mnt-ref:        ZYS-MNT
mnt-by:         ZYS-MNT
mnt-ref:        JIANYUELAB-STAFF-MNT
mnt-ref:        lir-ae-ttl-1-MNT
created:        2025-10-06T22:27:35Z
last-modified:  2026-08-14T08:31:59Z
source:         RIPE # Filtered

person:         ZHENYUN SUN
address:        67-1/13b Tartu mnt, Harjumma, Tallinn, Estonia
phone:          +852-31651702
nic-hdl:        ZS2129-RIPE
mnt-by:         ZYS-MNT
created:        2025-10-06T22:24:20Z
last-modified:  2026-04-27T08:14:30Z
source:         RIPE # Filtered