AS401998 Cirrus Guest Services

CIRRUS-EXT - Cirrus Guest Services · registered in the United States

IPv4 addresses5122 prefixes · <0.001% of announced IPv4

Rank in United States#10,101largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#47,450of 79,396 networks with IPv4

IPv64,352 x /482 prefixes

CountryUnited States18,679 ASNs registered there

Open AS401998 in ASN lookup Look up an IP in this network (23.145.180.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

23.145.180.0/24
23.149.216.0/24

IPv6 prefixes

All 2 prefixes.

2602:f557::/40
2602:fa96::/36

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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