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
	203.142.10.0/24	Columbia Sportswear Japan Inc

---

Network Policy

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

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
	AS15830	Equinix, Inc.	✔	✘
	AS3257	GTT Communications Inc.	✔	✘

---

Peers

	ASN	Description	IPv4	IPv6
	AS15830	Equinix, Inc.	✔	✘
	AS3257	GTT Communications Inc.	✔	✘
	AS8928	GTT Communications Inc.	✔	✘

aut-num:        AS135372
as-name:        CSJI-AS-AP
descr:          Columbia Sportswear Japan Inc
country:        JP
org:            ORG-CSJI1-AP
admin-c:        CSJI3-AP
tech-c:         CSJI3-AP
abuse-c:        AC2717-AP
mnt-lower:      MAINT-CSJI2-JP
mnt-routes:     MAINT-CSJI2-JP
mnt-by:         APNIC-HM
mnt-irt:        IRT-CSJI-JP
last-modified:  2023-07-17T19:09:03Z
source:         APNIC


organisation:   ORG-CSJI1-AP
org-name:       Columbia Sportswear Japan Inc
org-type:       LIR
country:        JP
address:        ********
phone:          ********
# Email removed, Log into bgp.tools to see whois emails/phone numbers
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:19:21Z
source:         APNIC

Last Update: 2026-06-13T03:22:33Z UTC

---

Member of the following AS-SETs

-	Member	ASN Count
NTTCOM	as-equinix-ap	2446
RADB	as-equinix-ty	2718
RADB	as-telstra-intl-customers	12421
RIPE	as-gttcust	91769
APNIC	as-63529-as-import-as6939	39042