210.51.0.0/16 - bgp.tools

210.51.0.0/16

Originated by AS9929
AS Name: China Unicom Industrial Internet Backbone

Overview
Connectivity
Whois
Validation

Registered on: 11 Oct 2000 (25 years old)

Registered to: A9143CB3 (apnic)

Prefix status: Active, Allocated under APNIC

Size of prefix: 256 /24's

Upstreams

AS3491 - PCCW Global, Inc.
AS4837 - China Unicom Backbone
AS2914 - NTT America, Inc.
AS701 - Verizon Business
AS3320 - Deutsche Telekom AG
AS1299 - Arelion (fka. Telia Carrier)
AS174 - Cogent Communications, LLC

Chart Display Options

Temporarily hide my sessions on this graph

Display paths to Route Servers

Display links using non straight lines

How are upstreams and downstreams calculated?

Upstreams

	ASN	Description
	AS3491	PCCW Global, Inc.
	AS4837	China Unicom Backbone
	AS2914	NTT America, Inc.
	AS701	Verizon Business
	AS3320	Deutsche Telekom AG
	AS1299	Arelion (fka. Telia Carrier)
	AS174	Cogent Communications, LLC

Peers

	ASN	Description
	AS3786	LG DACOM Corporation
	AS1239	Sprint Wireline (Cogent)
	AS3491	PCCW Global, Inc.
	AS2516	KDDI Corporation
	AS4134	China Telecom Backbone
	AS4766	Korea Telecom
	AS7473	Singapore Telecommunications Ltd
	AS3462	HiNet (Chunghwa Telecom)
	AS17676	SoftBank Corp.
	AS10099	China Unicom Global
	AS2914	NTT America, Inc.
	AS701	Verizon Business
	AS4837	China Unicom Backbone
	AS3320	Deutsche Telekom AG
	AS1299	Arelion (fka. Telia Carrier)
	AS174	Cogent Communications, LLC

Last Update: 2026-03-12T03:22:45Z UTC

IRR Databases

IRR	Expected ASN
apnic	AS9929	Show Raw route: 210.51.0.0/16 descr: CNC Group CncNet country: CN origin: AS9929 mnt-by: MAINT-CNCGROUP-RR last-modified: 2008-09-04T07:54:45Z source: APNIC
level3	AS9929	Show Raw route: 210.51.0.0/16 descr: CNC Route Object origin: AS9929 member-of: rs-Secondary mnt-by: CHINANETCOM-MNT changed: liuhao@china-netcom.com 20010505 source: LEVEL3

IRR

Expected ASN

apnic

AS9929

Show Raw

route:          210.51.0.0/16
descr:          CNC Group CncNet
country:        CN
origin:         AS9929
mnt-by:         MAINT-CNCGROUP-RR
last-modified:  2008-09-04T07:54:45Z
source:         APNIC

level3

AS9929

Show Raw

route:          210.51.0.0/16
descr:          CNC Route Object
origin:         AS9929
member-of:      rs-Secondary
mnt-by:         CHINANETCOM-MNT
changed:        liuhao@china-netcom.com 20010505
source:         LEVEL3

View

Upstreams

Upstreams

Peers

IRR Databases