223.223.176.0/21 - bgp.tools

223.223.176.0/21

Originated by AS4847, and 1 other

Overview
Connectivity
Whois
Validation

Registered on: 13 Aug 2010 (15 years old)

Registered to: A9294C05 (apnic)

Prefix status: Active, Allocated under APNIC

Size of prefix: 8 /24's

Upstreams

AS4837 - China Unicom Backbone
AS4134 - China Telecom Backbone

Originators

	ASN	Description
	AS4847	China Telecom Beijing Province Network
	AS4808	China Unicom Beijing Province Network

How can a prefix have multiple ASNs?

Chart Display Options

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How are upstreams and downstreams calculated?

Upstreams

ASPA Support for prefixes with more than one AS origin is not available at the moment

	ASN	Description
	AS4837	China Unicom Backbone
	AS4134	China Telecom Backbone

Peers

	ASN	Description
	AS10099	China Unicom Global
	AS4837	China Unicom Backbone
	AS4134	China Telecom Backbone

Last Update: 2026-02-14T03:23:12Z UTC

IRR Databases

IRR	Expected ASN
level3	AS4134	Show Raw route: 223.223.176.0/21 descr: Proxy-registered route object origin: AS4134 mnt-by: XINGXUNTECHLTD-MNT changed: irr@irr.irr 20240815 source: LEVEL3 last-modified: 2024-10-14T18:18:09Z
level3	AS4808	Show Raw route: 223.223.176.0/21 descr: Proxy-registered route object mnt-by: XINGXUNTECHLTD-MNT changed: irr@irr.irr 20240815 source: LEVEL3 origin: AS4808 last-modified: 2024-09-30T19:46:58Z
radb	AS4847	Show Raw route: 223.223.176.0/21 origin: AS4847 descr: register for user mnt-by: MAINT-AS4847 changed: xuhui.bj@chinatelecom.cn 20200812 #06:51:42Z source: RADB last-modified: 2023-11-13T16:01:31Z

IRR

Expected ASN

level3

AS4134

Matches IRR source, but under a different ASN

Show Raw

route:          223.223.176.0/21
descr:          Proxy-registered route object
origin:         AS4134
mnt-by:         XINGXUNTECHLTD-MNT
changed:        irr@irr.irr 20240815
source:         LEVEL3
last-modified:  2024-10-14T18:18:09Z

level3

AS4808

Show Raw

route:          223.223.176.0/21
descr:          Proxy-registered route object
mnt-by:         XINGXUNTECHLTD-MNT
changed:        irr@irr.irr 20240815
source:         LEVEL3
origin:         AS4808
last-modified:  2024-09-30T19:46:58Z

radb

AS4847

Show Raw

route:          223.223.176.0/21
origin:         AS4847
descr:          register for user
mnt-by:         MAINT-AS4847
changed:        xuhui.bj@chinatelecom.cn 20200812  #06:51:42Z
source:         RADB
last-modified:  2023-11-13T16:01:31Z

View

Upstreams

Originators

Upstreams

Peers

IRR Databases