AS23261 NCS Managed Services Inc

NCS-MSI - NCS Managed Services Inc · registered in Canada

IPv4 addresses7,4245 prefixes · <0.001% of announced IPv4

Rank in Canada#325largest network in CA by IPv4 space, of 1,575 · 0.01% of CA

Rank worldwide#11,240of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryCanada1,622 ASNs registered there

Open AS23261 in ASN lookup Look up an IP in this network (23.131.112.1) All networks in Canada

IPv4 prefixes

All 5 prefixes, in address order.

23.131.112.0/24
66.235.100.0/22
136.175.116.0/22
149.18.192.0/20
156.9.4.0/22

IPv6 prefixes

All 1 prefix.

2605:2e40::/32

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AS30045#326 UHN-ASN - University Health Network7,424

AS16580#327 ATHABASCA-U - Athabasca University7,424

AS25946#328 NETACCESS-SYSTEMS - NetAccess Systems Inc7,424

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