ASN Lookup Tool

Jun CAO CN CN 1 Routes

AS Data

AS211158

AS211158 – Jun CAO

AS Number 211158
AS Name BG4CZU-AS
Organization Jun CAO(org-jc118-ripe)
Country CN
Number of IPv4 Routes 0
Number of IPv6 Routes 1
ASN type ISP
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 2021-06-16

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Use ASN data for AS211158 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
2a0e:aa07:e021::/48 ~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 'AS208189 - AS214345'

as-block:       AS208189 - 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:        2026-02-12T14:40:05Z
last-modified:  2026-02-12T14:40:05Z
source:         RIPE

% Information related to 'AS211158'

% Abuse contact for 'AS211158' is 'bg4czu@gmail.com'

aut-num:        AS211158
as-name:        BG4CZU-AS
org:            ORG-JC118-RIPE
sponsoring-org: ORG-KL272-RIPE
import:         from AS20473 accept ANY
export:         to AS20473 announce AS211158
import:         from AS29632 accept ANY
export:         to AS29632 announce AS211158
admin-c:        JC11182-RIPE
tech-c:         JC11182-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         mnt-us-kirino-1
mnt-by:         BG4CZU-MNT
created:        2021-06-16T08:33:27Z
last-modified:  2021-06-16T08:33:27Z
source:         RIPE

organisation:   ORG-JC118-RIPE
org-name:       Jun CAO
country:        CN
org-type:       OTHER
address:        Minhang District, Shanghai, China
admin-c:        JC11182-RIPE
tech-c:         JC11182-RIPE
abuse-c:        JC11182-RIPE
mnt-ref:        BG4CZU-MNT
mnt-ref:        KIRINO-MNT
mnt-by:         BG4CZU-MNT
created:        2021-06-01T15:36:55Z
last-modified:  2025-09-09T14:24:23Z
source:         RIPE # Filtered

role:           BG4CZU NOC
address:        Donglan St.  Minhang District, Shanghai, China
abuse-mailbox:  bg4czu@gmail.com
nic-hdl:        JC11182-RIPE
mnt-by:         BG4CZU-MNT
created:        2021-06-01T15:32:00Z
last-modified:  2025-07-12T08:24:47Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.121 (DEXTER)

Parsed Whois Response

Peers

AS Number Description Country
AS29632 Netassist International EOOD BG
AS20473 The Constant Company, LLC US

Upstreams

AS Number Description Country
AS20473 The Constant Company, LLC US

Contacts

Email Contacts

bg4czu@gmail.com

Abuse Contacts

bg4czu@gmail.com

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Frequently Asked Questions

ASN AS211158 is an Autonomous System Number used to identify a network for BGP internet routing.
AS211158 is listed under Jun CAO.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.