AS19388 — -Reserved AS-

AS19388 announces 0 IPv4 prefixes covering 0 addresses and 1 IPv6 prefixes.

About this network

AS19388 is operated by Team Cymru Inc.

What it's used for

• The space carries a single IPv6 prefix, 2604:8800:ffff::/48, with no announced IPv4 addresses.
• The AS maintains 34 observed neighbours against a minimal address inventory, indicating a role focused on connectivity and peering rather than large-scale address aggregation.

Notable

• The registry holder is listed as TEAM-CYMRU-3, consistent with the operator identity.
• The address inventory consists solely of one IPv6 prefix, with no IPv4 prefixes in the inventory or announced.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 2604:8800:ffff::/48

Upstream networks

• AS6939 Hurricane Electric LLC
• AS9002 RETN Limited
• AS34019 Hivane Association
• AS24482 SG.GS
• AS48185 team.blue NV

Adjacent networks

• AS6939 Hurricane Electric LLC
• AS9002 RETN Limited
• AS24482 SG.GS
• AS34019 Hivane Association
• AS48185 team.blue NV

Internet exchanges

• IX.br (PTT.br) São Paulo — São Paulo, Brazil
• AMS-IX Amsterdam — Amsterdam, Netherlands
• New York International Internet Exchange — New York, United States