AS401331 Canadian Blood Services

CANADIAN-BLOOD-SERVICES-2 - Canadian Blood Services · registered in Canada

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Canada#1,557largest network in CA by IPv4 space, of 1,575 · <0.01% of CA

Rank worldwide#79,044of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryCanada1,622 ASNs registered there

Open AS401331 in ASN lookup Look up an IP in this network (198.51.2.1) All networks in Canada

IPv4 prefixes

All 1 prefix, in address order.

198.51.2.0/24

Other ASNs named Canadian Blood Services

1 other network uses the same organisation name; together with AS401331 they announce 512 IPv4 addresses.

ASNNameIPv4 addresses

AS19608CANADIAN-BLOOD-SERVICES - Canadian Blood Services CA256

Similar-sized networks in Canada

ASNNameIPv4 addresses

AS401175#1554 NEXIX-DC-01 - Nexix Inc.256

AS401196#1555 IMI-01 - Insight Medical Imaging256

AS401330#1556 RC1400 - Roots Corporation256

AS401344#1558 CCOMP-ASN-01 - Contemporary Managed Solutions256

AS401393#1559 VERTICALSCOPE - Verticalscope Inc.256

AS401439#1560 NEIGHBOURHOOD-CONNECT-2 - Neighbourhood Connect256

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