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
	141.131.0.0/24	Cirrus Logic Inc.
	141.131.0.0/22	Cirrus Logic Inc.
	141.131.1.0/24	Cirrus Logic Inc.
	141.131.2.0/24	Cirrus Logic Inc.
	141.131.3.0/24	Cirrus Logic Inc.

---

Network Policy

Click here to learn more about what this graph means and what makes up a network policy Global Aggregation Policy epic_nightingale

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
	AS62	CyrusOne LLC	✔	✘

---

Peers

	ASN	Description	IPv4	IPv6
	AS62	CyrusOne LLC	✔	✘

ASHandle:       AS3828
OrgID:          CIRRUS
ASName:         CIRRUS
ASNumber:       3828
RegDate:        1994-09-16
Updated:        2012-03-29
TechHandle:     MJT39-ARIN
AbuseHandle:    MJT39-ARIN
NOCHandle:      MJT39-ARIN
Source:         ARIN



OrgID:          CIRRUS
OrgName:        Cirrus Logic Inc.
CanAllocate:    
Street:         800 W. 6th Street
City:           Austin
State/Prov:     TX
Country:        US
PostalCode:     78701
RegDate:        1990-07-24
Updated:        2014-05-09
OrgAdminHandle: MJT39-ARIN
OrgTechHandle:  MJT39-ARIN
OrgAbuseHandle: MJT39-ARIN
OrgNOCHandle:   MJT39-ARIN
Source:         ARIN





OrgAdminHandle:       MJT39-ARIN
OrgAdminName:         Michael Tetzlaff
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        MJT39-ARIN
OrgTechName:          Michael Tetzlaff
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       MJT39-ARIN
OrgAbuseName:         Michael Tetzlaff
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         MJT39-ARIN
OrgNOCName:           Michael Tetzlaff
# Email removed, Log into bgp.tools to see whois emails


TechHandle:           MJT39-ARIN
TechName:             Michael Tetzlaff
# Email removed, Log into bgp.tools to see whois emails


AbuseHandle:          MJT39-ARIN
AbuseName:            Michael Tetzlaff
# Email removed, Log into bgp.tools to see whois emails


NOCHandle:            MJT39-ARIN
NOCName:              Michael Tetzlaff
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-06-10T03:34:53Z UTC

---

Member of the following AS-SETs

-	Member	ASN Count
APNIC	as38040:as-customers	239
RADB	as-windstream-cust	2138
RIPE	as-gblx	964
RADB	as-grande	172
APNIC	as-63529-as-import-as9505	378
RADB	as-c1	207
RADB	as-rr-biz	2132