AS397181 Stack Harbor Inc.

STACKHARBOR - Stack Harbor Inc. · registered in Canada

IPv4 addresses2,8165 prefixes · <0.001% of announced IPv4

Rank in Canada#513largest network in CA by IPv4 space, of 1,575 · <0.01% of CA

Rank worldwide#19,224of 79,396 networks with IPv4

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

CountryCanada1,622 ASNs registered there

Open AS397181 in ASN lookup Look up an IP in this network (23.128.160.1) All networks in Canada

IPv4 prefixes

All 5 prefixes, in address order.

23.128.160.0/24
68.71.54.0/24
142.249.0.0/22
143.203.116.0/22
205.204.80.0/24

IPv6 prefixes

All 1 prefix.

2604:c840::/32

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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