AS400912 Mailreef

REEF-ATLNET-FL-01 - Mailreef · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#17,982largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#78,949of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS400912 in ASN lookup Look up an IP in this network (216.87.50.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

216.87.50.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS400900#17979 SKHMSA-WEB - SK Hynix Memory Solutions America Inc.256

AS400901#17980 KLG-DATACENTER - Keller Logistics Group, INC256

AS400904#17981 KEY-MANAGEMENT - Key Investment256

AS400920#17983 GRABIEN - Grabien Inc.256

AS400923#17984 ENC-DAL - Encore Group (USA) LLC256

AS400924#17985 MACPAPERS-ASN-01 - Mac Papers, LLC256

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