64.238.144.0/20 - bgp.tools

64.238.144.0/20

Originated by AS62
AS Name: CyrusOne LLC

Overview
Connectivity
Whois
Validation

Registered on: 18 Feb 2010 (15 years old)

Registered to: ARIN-CL-260 (arin); [Transfer History]

Prefix status: Active, Allocated under ARIN

Size of prefix: 16 /24's

Upstreams

AS6461 - Zayo Bandwidth
AS3257 - GTT Communications Inc.
AS3356 - Lumen (Level 3)

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description
	AS6461	Zayo Bandwidth
	AS3257	GTT Communications Inc.
	AS3356	Lumen (Level 3)

Peers

	ASN	Description
	AS3257	GTT Communications Inc.
	AS3356	Lumen (Level 3)
	AS6461	Zayo Bandwidth

Last Update: 2025-06-13T03:27:28Z UTC

IRR Databases

IRR	Expected ASN
level3	AS19479	Show Raw route: 64.238.144.0/20 descr: Route for Cervalis 1-HO3SF origin: AS19479 mnt-by: CERVALIS-MNT changed: hadfield.richard@level3.com 20120619 source: LEVEL3
radb	AS19479	Show Raw route: 64.238.144.0/20 descr: CyrusOne origin: AS19479 notify: hostmaster@cyrusone.com mnt-by: MAINT-AS62 changed: hostmaster@cyrusone.com 20160815 source: RADB last-modified: 2023-11-13T15:49:48Z
radb	AS62	Show Raw route: 64.238.144.0/20 descr: CyrusOne origin: AS62 notify: hostmaster@cyrusone.com mnt-by: MAINT-AS62 changed: hostmaster@cyrusone.com 20191001 source: RADB last-modified: 2023-11-13T15:57:49Z

IRR

Expected ASN

level3

AS19479

Matches IRR source, but under a different ASN

Show Raw

route:          64.238.144.0/20
descr:          Route for Cervalis 1-HO3SF
origin:         AS19479
mnt-by:         CERVALIS-MNT
changed:        hadfield.richard@level3.com 20120619
source:         LEVEL3

radb

AS19479

Show Raw

route:          64.238.144.0/20
descr:          CyrusOne
origin:         AS19479
notify:         hostmaster@cyrusone.com
mnt-by:         MAINT-AS62
changed:        hostmaster@cyrusone.com 20160815
source:         RADB
last-modified:  2023-11-13T15:49:48Z

radb

AS62

Show Raw

route:          64.238.144.0/20
descr:          CyrusOne
origin:         AS62
notify:         hostmaster@cyrusone.com
mnt-by:         MAINT-AS62
changed:        hostmaster@cyrusone.com 20191001
source:         RADB
last-modified:  2023-11-13T15:57:49Z

View

Upstreams

Upstreams

Peers

IRR Databases