AS63403 Afilias, Inc.

AS-AFILIAS-LAX1 - Afilias, Inc. · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#13,405largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#61,535of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryUnited States18,679 ASNs registered there

Open AS63403 in ASN lookup Look up an IP in this network (199.19.51.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

199.19.51.0/24

IPv6 prefixes

All 1 prefix.

2a01:8840:d::/48

Other ASNs named Afilias, Inc.

8 other networks use the same organisation name; together with AS63403 they announce 122,112 IPv4 addresses.

ASNNameIPv4 addresses

AS12041AS-AFILIAS1 - Afilias, Inc. US119,296

AS12287AS-AFILIAS-CTRL1 - Afilias, Inc. US768

AS40490AS-AFILIAS-CTRL2 - Afilias, Inc. US512

AS13901AS-AFILIAS-NRT1 - Afilias, Inc. US256

AS33280AS-AFILIAS-MIA2 - Afilias, Inc. US256

AS393246AS-AFILIAS-IAD1 - Afilias, Inc. US256

AS13714AS-AFILIAS-SYD1 - Afilias, Inc. US256

AS29839AS-AFILIAS-MEL1 - Afilias, Inc. US256

Similar-sized networks in United States

ASNNameIPv4 addresses

AS62815#13402 LAER-AS-CAM1 - UnitedLayer, LLC256

AS62883#13403 SCCMHA-ASN - Saginaw County Community Mental Health Authority256

AS63008#13404 SIMPLE-ASN - SIMPLE CLOUD SOLUTION LLC256

AS63477#13406 CONIFER-EDGE - Coniferous Systems, LLC256

AS64230#13407 MBX-LIB - Motherboard Express Company256

AS64251#13408 MTCCC - Monona Terrace Community and Convention Center256

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