AS7403 Colba Net Inc.

COLBANET - Colba Net Inc. · registered in Canada

IPv4 addresses12,5445 prefixes · <0.001% of announced IPv4

Rank in Canada#248largest network in CA by IPv4 space, of 1,575 · 0.02% of CA

Rank worldwide#8,055of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryCanada1,622 ASNs registered there

Open AS7403 in ASN lookup Look up an IP in this network (155.254.136.1) All networks in Canada

IPv4 prefixes

All 5 prefixes, in address order.

155.254.136.0/21
199.102.240.0/22
199.180.96.0/22
206.123.20.0/24
216.252.64.0/19

Similar-sized networks in Canada

ASNNameIPv4 addresses

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AS27381#247 CASALE-MEDIA - Index Exchange Inc.12,544

AS54643#249 IDIGITAL - Idigital Internet Inc.12,288

AS397375#250 PHSA-INTERNET - PROVINCIAL HEALTH SERVICES AUTHORITY12,288

AS11181#251 VAXXINE - Vaxxine Computer Systems Inc.12,288

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