CALPINE LLC
One corporate group, resolved across 2 separately-registered clusters
in the same GLEIF corporate family (ultimate parent LEI 43R4VPJBXTU2O15HEF41). Each
member's own registration independently matches the family, so clusters that merely inherited a carrier's
LEI are excluded.
Data as of 2026-10-04
2 clusters ·
10 netblocks ·
5,632 IPv4 addresses ·
1 IPv6 prefixes
IPv6 ranges (1)
Member clusters
- Columbia Energy L.L.C US-DE 15 netblocks
- CALPINE CORP US-DE 2 netblocks
Possibly related
Clusters that share this name but whose own registration doesn't confirm them as part of this corporate family — a different or unverified legal entity (a joint venture, a former subsidiary, or a namesake). Shown for context; not counted in the totals above.
- MCALPINE-CO-LTD 5 netblocks
- Sir Robert McAlpine Ltd GB 5 netblocks
- ALFRED-MCALPINE GB 3 netblocks
- ALFREDMCALPINEBUSSERV 2 netblocks
- ALFREDMCALPINE 2 netblocks
- MCALPINE-CC-AU AU 2 netblocks
- NET-GB-SIR-ROBERT-MCALPINE-LTD 1 netblocks
- MCALPINEHUSSMAN-CC-AU AU 1 netblocks
- UK-MCALPINE-KIRTLEBRIDGE GB 1 netblocks
- ALFREDMCALPINEPLC 1 netblocks