AS19388 Team Cymru Inc.

TEAM-CYMRU-3 - Team Cymru Inc. · registered in the United States

IPv4 addresses00 prefixes · 0.000% of announced IPv4

IPv61 x /481 prefixes

CountryUnited States18,679 ASNs registered there

Open AS19388 in ASN lookup Look up an IP in this network (2604:8800:ffff::1) All networks in United States

IPv6 prefixes

All 1 prefix.

2604:8800:ffff::/48

Other ASNs named Team Cymru Inc.

1 other network uses the same organisation name; together with AS19388 they announce 17,920 IPv4 addresses.

ASNNameIPv4 addresses

AS23028TEAM-CYMRU - Team Cymru Inc. US17,920

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