AS36741 FRONTIER AIRLINES INC

FRONTIER-AIRLINES-INC - FRONTIER AIRLINES INC · registered in the United States

IPv4 addresses1,5364 prefixes · <0.001% of announced IPv4

Rank in United States#6,851largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#26,102of 79,396 networks with IPv4

IPv6256 x /488 prefixes

CountryUnited States18,679 ASNs registered there

Open AS36741 in ASN lookup Look up an IP in this network (23.157.32.1) All networks in United States

IPv4 prefixes

All 4 prefixes, in address order.

23.157.32.0/24
131.143.156.0/23
131.143.158.0/23
192.86.81.0/24

IPv6 prefixes

All 8 prefixes.

2620:12e:4000::/47
2620:12e:4002::/47
2620:12e:4004::/46
2620:12e:4008::/45
2620:12e:4010::/44
2620:12e:4020::/43
2620:12e:4040::/42
2620:12e:4080::/41

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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