AS15348 Tucows.com Co.

TUCOWS - Tucows.com Co. · registered in Canada

IPv4 addresses37,37621 prefixes · 0.001% of announced IPv4

Rank in Canada#149largest network in CA by IPv4 space, of 1,575 · 0.07% of CA

Rank worldwide#4,445of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryCanada1,622 ASNs registered there

Open AS15348 in ASN lookup Look up an IP in this network (64.99.0.1) All networks in Canada

IPv4 prefixes

All 21 prefixes, in address order.

64.99.0.0/20
64.99.32.0/19
64.99.64.0/20
64.99.80.0/24
64.99.81.0/24
64.99.82.0/23
64.99.89.0/24
64.99.90.0/23
64.99.92.0/22
64.99.96.0/21
64.99.128.0/20
64.99.160.0/21
64.99.168.0/22
64.99.172.0/23
64.99.174.0/24
64.99.176.0/20
216.40.32.0/23
216.40.34.0/24
216.40.35.0/24
216.40.36.0/22
216.40.40.0/21

IPv6 prefixes

All 1 prefix.

2604:4000::/48

Other ASNs named Tucows.com Co.

4 other networks use the same organisation name; together with AS15348 they announce 56,320 IPv4 addresses.

ASNNameIPv4 addresses

AS32491TUCOWS-3 - Tucows.com Co. CA16,896

AS32636TUCOWS-2 - Tucows.com Co. CA1,280

AS63363TUCOWS-TRS-DNS2 - Tucows.com Co. CA512

AS393818TUCOWS-TRS-DNS1 - Tucows.com Co. CA256

Similar-sized networks in Canada

ASNNameIPv4 addresses

AS395570#146 FIBRESTREAM - Beanfield Technologies Inc.38,400

AS19515#147 ORICOM-AS19515 - Oricom Internet inc.37,632

AS23498#148 CDSI - Beanfield Technologies Inc.37,632

AS53338#150 ITCI - ITCI Corporation34,816

AS26546#151 NUCLEUS-INC - FIBERNETICS CORPORATION34,304

AS40473#152 AS-PLATINUM-COMMUNICATIONS - Xplore Inc.34,304

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