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	Prefix	Description
	203.12.244.0/24	Vision Systems

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS7474	SingTel Optus Pty Ltd	✔	✘
	AS1221	Telstra Limited	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS7474	SingTel Optus Pty Ltd	✔	✘
	AS1221	Telstra Limited	✔	✘

aut-num:        AS17496
as-name:        VISION-AU
descr:          Leica Microsystems Biosystems Division Melbourne and Invetech
descr:          495 Blackburn Road Mount Waverley Victoria
country:        AU
org:            ORG-VS3-AP
admin-c:        DA462-AP
tech-c:         DA462-AP
abuse-c:        AV295-AP
mnt-lower:      MAINT-AU-VISION
mnt-routes:     MAINT-AU-VISION
mnt-by:         APNIC-HM
mnt-irt:        IRT-VISION-NON-AU
last-modified:  2020-05-27T13:02:38Z
source:         APNIC


organisation:   ORG-VS3-AP
org-name:       Vision Systems
org-type:       LIR
country:        AU
address:        495 Blackburn Road
phone:          +61-3-9211-7000
# Email removed, Log into bgp.tools to see whois emails
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:15:01Z
source:         APNIC

Last Update: 2025-12-25T03:22:14Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
ARIN	as-xo-b	58181
RADB	as-btn-customers	1495
APNIC	as7474:as-customers	21602
RADB	as-pacnet-customer-proxy-register	1171
NTTCOM	as-pldt	466
RADB	as-telstra-intl-customers	11860
RADB	as-optus	22114
RADB	as-pnapwdc002	260
RADB	as-anc-customer-proxy-register	2403
RADB	as-pnapwdc	79