AS13556 IBASIS INC.

IVANET-MIAMI - IBASIS INC. · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#13,900largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#63,462of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS13556 in ASN lookup Look up an IP in this network (216.168.187.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

216.168.187.0/24

Other ASNs named IBASIS INC.

4 other networks use the same organisation name; together with AS13556 they announce 10,752 IPv4 addresses.

ASNNameIPv4 addresses

AS14616IVANET-AMSTERDAM - IBASIS INC. US4,864

AS11889IVANET-DAL - iBasis, Inc. US4,096

AS15315IVANET-LISBON - IBASIS INC. US1,024

AS18622IVANET-YTO - IBASIS INC. US512

Similar-sized networks in United States

ASNNameIPv4 addresses

AS13545#13897 MICM - Matthews International Capital Management, LLC256

AS13547#13898 PORTER-HOSPITAL - Porter Hospital256

AS13550#13899 ROTHMAN-01 - Reconstructive Orthopaedic Associates II LLC256

AS13558#13901 CMIC-HO - Church Mutual Insurance Company256

AS13575#13902 WISCONSINPUBLICPOWER - Wisconsin Public Power, Inc.256

AS13582#13903 COWAN-ASN - Cowan Systems, 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