223.121.56.0/24 - bgp.tools

223.121.56.0/24

Originated by AS58411
AS Name: Gateway Technology Development Limited

Overview
Connectivity
Whois
Validation

Registered on: 1 Jul 2010 (16 years old)

Registered to: A91EECAF (apnic); [Transfer History]

Prefix status: Active, Allocated under APNIC

Size of prefix: 1 /24's

Less Specific Announcements

	Prefix	Description
	223.121.0.0/17	Unit 09-18, Level 12, Tower 1
	223.64.0.0/10	Asia Pacific Network Information Centre

Upstreams

AS3491 - PCCW Global (HK) Ltd.
AS58453 - China Mobile International

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description
	AS3491	PCCW Global (HK) Ltd.
	AS58453	China Mobile International

Peers

	ASN	Description
	AS3491	PCCW Global (HK) Ltd.
	AS58453	China Mobile International

Last Update: 2026-07-15T03:23:09Z UTC

IRR Databases

IRR	Expected ASN
apnic	AS58411	Show Raw route: 223.121.56.0/24 origin: AS58411 descr: China Mobile International Limited Level 30, Tower 1 Kowloon Commerce Centre No. 51 Kwai Cheong Road mnt-by: MAINT-CMI-INT-HK last-modified: 2023-10-25T06:46:10Z source: APNIC
radb	AS58411	Show Raw route: 223.121.56.0/24 origin: AS58411 descr: CMI (Customer Route) mnt-by: MAINT-AS58453 changed: vickylau@cmi.chinamobile.com 20231025 #06:33:33Z source: RADB last-modified: 2023-11-13T16:19:19Z
apnic	AS58453	Show Raw route: 223.121.56.0/24 origin: AS58453 descr: China Mobile International Limited Level 30, Tower 1 Kowloon Commerce Centre No. 51 Kwai Cheong Road mnt-by: MAINT-CMI-INT-HK last-modified: 2023-10-25T06:48:01Z source: APNIC

IRR

Expected ASN

apnic

AS58411

Show Raw

route:          223.121.56.0/24
origin:         AS58411
descr:          China Mobile International Limited
                Level 30, Tower 1
                Kowloon Commerce Centre
                No. 51 Kwai Cheong Road
mnt-by:         MAINT-CMI-INT-HK
last-modified:  2023-10-25T06:46:10Z
source:         APNIC

radb

AS58411

Show Raw

route:          223.121.56.0/24
origin:         AS58411
descr:          CMI (Customer Route)
mnt-by:         MAINT-AS58453
changed:        vickylau@cmi.chinamobile.com 20231025  #06:33:33Z
source:         RADB
last-modified:  2023-11-13T16:19:19Z

apnic

AS58453

Matches IRR source, but under a different ASN

Show Raw

route:          223.121.56.0/24
origin:         AS58453
descr:          China Mobile International Limited
                Level 30, Tower 1
                Kowloon Commerce Centre
                No. 51 Kwai Cheong Road
mnt-by:         MAINT-CMI-INT-HK
last-modified:  2023-10-25T06:48:01Z
source:         APNIC

View

Less Specific Announcements

Upstreams

Upstreams

Peers

IRR Databases

RPKI Chain (Current origin: Valid)