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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
	61.57.240.0/20	B-WIZ Technology
	61.57.240.0/22	Yulon IT Solutions Inc.
	61.57.240.0/24	Yulon IT Solutions Inc.
	61.57.242.0/24	Yulon IT Solutions Inc.
	61.57.243.0/24	Yulon IT Solutions Inc.
	61.57.244.0/23	Yulon IT Solutions Inc.
	61.57.244.0/24	Yulon IT Solutions Inc.
	61.57.245.0/24	Yulon IT Solutions Inc.
	61.57.246.0/24	Yulon IT Solutions Inc.
	61.57.247.0/24	Yulon IT Solutions Inc.
	61.57.248.0/24	Yulon IT Solutions Inc.
	61.57.249.0/24	Yulon IT Solutions Inc.
	61.57.250.0/24	Yulon IT Solutions Inc.
	61.57.251.0/24	Yulon IT Solutions Inc.
	61.57.252.0/24	Yulon IT Solutions Inc.
	61.57.253.0/24	Yulon IT Solutions Inc.
	61.57.254.0/24	Yulon IT Solutions Inc.
	61.57.255.0/24	Yulon IT Solutions Inc.

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS9924	Taiwan Fixed Network, Telco and Network Service Provider.	✔	✘
	AS134823	Sky Digital Co., Ltd.	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS9924	Taiwan Fixed Network, Telco and Network Service Provider.	✔	✘
	AS134823	Sky Digital Co., Ltd.	✔	✘

aut-num:        AS18415
as-name:        BWIZ
descr:          B-WIZ Technology
descr:          7F., No.150, Sec. 2, Nanjing E. Rd., Jhongshan District
descr:          Taipei
country:        TW
import:         from AS4747 action pref=100; accept ANY
import:         from AS17709 action pref=100; accept ANY
export:         to AS4747 announce AS18415
export:         to AS17709 announce AS18415
default:        to AS4747 action pref=50; networks ANY
default:        to AS17709 action pref=10; networks ANY
admin-c:        JJ65-AP
tech-c:         JJ65-AP
abuse-c:        AT939-AP
mnt-by:         MAINT-TW-TWNIC
mnt-irt:        IRT-BWIZ-TW
last-modified:  2025-11-06T09:25:47Z
source:         APNIC

Last Update: 2026-06-14T03:22:29Z UTC

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Member of the following AS-SETs

-	Member
NTTCOM	as-tfn-transit1
RADB	as3491:as-customers-ap
RADB	as-hinet
APNIC	as-63529-as-import-as9505
APNIC	as63529:as-63529-as-import-as9505
RADB	as-sparq
RADB	as3491:as-customers-na
RADB	as-seednet
NTTCOM	as-b-wiz
RADB	as-btn-customers
RADB	as-telstra-intl-customers-4637
RADB	as2497:as-iij
RADB	as-b-wiz
RADB	as-tpix-2003
JPIRR	as2497:as-iij
RIPE	as-misaka-customers2
RADB	as-ebix-transit
RADB	as-tfn-transit-test
RADB	as-anc-customer-proxy-register
JPIRR	as-iij
RADB	as134823:as-ipt
RADB	as-iij
RADB	as-tfn-transit1
LEVEL3	as-level3-origins-na
ARIN	as917:as-customers