AS30377 MacStadium, Inc.

MACST-DUB - MacStadium, Inc. · registered in the United States

IPv4 addresses6,1446 prefixes · <0.001% of announced IPv4

Rank in United States#3,780largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#12,302of 79,396 networks with IPv4

IPv68,192 x /481 prefixes

CountryUnited States18,679 ASNs registered there

Open AS30377 in ASN lookup Look up an IP in this network (207.254.22.1) All networks in United States

IPv4 prefixes

All 6 prefixes, in address order.

207.254.22.0/23
207.254.24.0/21
207.254.68.0/22
207.254.100.0/22
207.254.112.0/22
208.83.0.0/23

IPv6 prefixes

All 1 prefix.

2607:6480:6000::/35

Other ASNs named MacStadium, Inc.

2 other networks use the same organisation name; together with AS30377 they announce 41,216 IPv4 addresses.

ASNNameIPv4 addresses

AS395336MACST-ATL - MacStadium, Inc. US20,736

AS395337MACST-VEGAS - MacStadium, Inc. US14,336

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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