AS18015 Fastcom Limited

FASTCOM-AS-AP - Fastcom Limited · registered in New Zealand

IPv4 addresses15,61610 prefixes · <0.001% of announced IPv4

Rank in New Zealand#33largest network in NZ by IPv4 space, of 419 · 0.32% of NZ

Rank worldwide#7,215of 79,396 networks with IPv4

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

CountryNew Zealand427 ASNs registered there

Open AS18015 in ASN lookup Look up an IP in this network (45.64.203.1) All networks in New Zealand

IPv4 prefixes

All 10 prefixes, in address order.

45.64.203.0/24
103.2.120.0/22
124.150.160.0/20
180.189.192.0/20
180.189.208.0/21
180.189.216.0/24
180.189.217.0/24
180.189.218.0/23
180.189.220.0/22
182.236.120.0/21

IPv6 prefixes

All 1 prefix.

2401:d200::/32

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AS10022#34 DSLAK-AS-AP - Internet access for Datacom Systems Auckland14,592

AS24183#35 DTS-ISP-Core1-AP - DTS LTD13,056

AS45179#36 SITEHOST-AS-AP - SiteHost New Zealand13,056

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