AS203607 ONTARIO 1000119767 ONTARIO INC.

ONTARIO 1000119767 ONTARIO INC. · registered in Canada

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Canada#1,235largest network in CA by IPv4 space, of 1,575 · <0.01% of CA

Rank worldwide#62,136of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryCanada1,622 ASNs registered there

Open AS203607 in ASN lookup Look up an IP in this network (153.76.2.1) All networks in Canada

IPv4 prefixes

All 1 prefix, in address order.

153.76.2.0/24

IPv6 prefixes

All 1 prefix.

2a14:7580:ffe5::/48

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AS396031#1237 ATLANTA-CS-1 - 1923327 ONTARIO INC256

AS396142#1238 ALKERON - Alkeron Inc.256

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources