View

If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them

	Prefix	Description
	129.253.12.0/23	Western Digital Corporation
	129.253.12.0/22	Western Digital Corporation
	129.253.12.0/24	Western Digital Corporation
	129.253.13.0/24	Western Digital Corporation
	129.253.14.0/23	Western Digital Corporation
	129.253.14.0/24	Western Digital Corporation
	129.253.15.0/24	Western Digital Corporation
	129.253.40.0/24	Western Digital Corporation
	199.255.44.0/22	Western Digital Corporation
	199.255.44.0/24	Western Digital Corporation
	199.255.44.0/23	Western Digital Corporation
	199.255.45.0/24	Western Digital Corporation

---

Network Policy

Click here to learn more about what this graph means and what makes up a network policy Global Aggregation Policy heuristic_shirley Policy infallible_shtern Policy zealous_wiles Policy lucid_euler Policy eager_davinci

Chart Display Options

Display links using non straight lines

Prefixes in selected policy

Load all prefixes in policy

---

How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✘
	AS6461	Zayo Bandwidth	✔	✘
	AS2914	NTT America, Inc.	✔	✘

---

Peers

	ASN	Description	IPv4	IPv6
	AS6461	Zayo Bandwidth	✔	✘
	AS174	Cogent Communications, LLC	✔	✘
	AS2914	NTT America, Inc.	✔	✘
	AS1239	Sprint Wireline (Cogent)	✔	✘

ASHandle:       AS33045
OrgID:          WDC-7
ASName:         HGST-AS
ASNumber:       33045
RegDate:        2010-05-13
Updated:        2016-09-27
Source:         ARIN



OrgID:          WDC-7
OrgName:        Western Digital Corporation
CanAllocate:    
Street:         5601 Great Oaks Pkwy, San Jose, CA 95119
City:           Great Oaks
State/Prov:     CA
Country:        US
PostalCode:     95119
RegDate:        1988-04-08
Updated:        2025-08-22
OrgAdminHandle: ADMIN6115-ARIN
OrgTechHandle:  ARINT58-ARIN
OrgAbuseHandle: ADMIN6115-ARIN
OrgNOCHandle:   ARINT58-ARIN
Source:         ARIN





OrgAdminHandle:       ADMIN6115-ARIN
OrgAdminName:          Admin
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        ARINT58-ARIN
OrgTechName:           Arin-tech
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       ADMIN6115-ARIN
OrgAbuseName:          Admin
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         ARINT58-ARIN
OrgNOCName:            Arin-tech
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-02-09T03:25:39Z UTC

---

Member of the following AS-SETs

-	Member	ASN Count
LEVEL3	as-as23005	320
NTTCOM	as-ocn	2
JPIRR	as-ocn	2
RADB	as-tmnet-customers	2955
RADB	as-as23005	320
APNIC	as-set-gti-customers-customer	671
NTTCOM	as33045:as-hgst	2
RIPE	as-expereo	63
RADB	as-set-9930	287
RADB	as-ocn	2