TCT West, Inc.

Data as of 2026-08-23
BGP inherited
Cluster stats
Netblocks27 · 24,835 IPv4 addresses
IPv6 4 prefixes (largest 2604:8c00::/32)
Cluster ID226925481
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 11 shared RIR contact/maintainer handles
Registry names 4 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

9 weekly snapshots · JSON
38 +16 netblocks since 2026-07-05
2026-07-05 peak 38 2026-08-23

IP Ranges (27)

⬇ export CSV
CIDR Org name Registry Status Confidence
24.51.50.0/23 TCT West, Inc. BGP ANNOUNCED ● high
24.72.192.0/21 TCT West, Inc. BGP ANNOUNCED ● high
24.72.192.0/22 TCT West, Inc ARIN ASSIGNMENT ● high
24.72.200.0/28 TCT West, Inc ARIN ASSIGNMENT ● high
24.72.200.0/22 TCT West, Inc. BGP ANNOUNCED ● high
24.223.100.0/22 TCT West, Inc. BGP ANNOUNCED ● high
64.124.81.0/24 TCT West, Inc. BGP ANNOUNCED ● high
67.215.16.0/20 TCT West, Inc. BGP ANNOUNCED ● high
67.215.16.0/23 TCT West, Inc ARIN ASSIGNMENT ● high
72.21.64.0/20 TCT West, Inc. BGP ANNOUNCED ● high
96.31.96.0/19 TCT West, Inc. BGP ANNOUNCED ● high
104.36.40.0/22 TCT West, Inc. BGP ANNOUNCED ● high
162.248.136.0/22 TCT West, Inc. BGP ANNOUNCED ● high
162.248.136.0/26 TCT West, Inc ARIN ASSIGNMENT ● high
206.51.46.45/32 TCT West, Inc. PEERINGDB ASSIGNED ● high
206.53.175.38/32 TCT West, Inc. PEERINGDB ASSIGNED ● high
206.81.80.215/32 TCT West, Inc. PEERINGDB ASSIGNED ● high
216.166.135.0/24 TCT West, Inc. BGP ANNOUNCED ● high
216.166.159.0/24 TCT West, Inc. BGP ANNOUNCED ● high
2001:504:16::117a/128 TCT West, Inc. PEERINGDB ASSIGNED ● high
2001:504:58::38/128 TCT West, Inc. PEERINGDB ASSIGNED ● high
2604:8c00::/32 TCT West, Inc. BGP ANNOUNCED ● high
2605:6c00:303:303::45/128 TCT West, Inc. PEERINGDB ASSIGNED ● high
24.72.192.0 – 24.72.203.255 TCT West, Inc. ARIN DIRECT ALLOCATION ● low
66.62.88.0/24 TCT West, Inc. ARIN ALLOCATION ● low
216.166.160.0/23 TCT West, Inc. ARIN ALLOCATION ● low
216.166.165.0/24 TCT West, Inc. ARIN ALLOCATION ● low

IPv6 ranges (4)

CIDR
2604:8c00::/32
2001:504:16::117a/128
2001:504:58::38/128
2605:6c00:303:303::45/128

Network trust

what's this?
RPKI hygiene: A how networks compare →
97.4% of checked blocks have valid RPKI ROA coverage (37 of 38)
Possible discrepancies (3)

These blocks are registered to TCT West, Inc. but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

216.166.160.0/23 /23 authorized for AS19092 — Zayo Bandwidth
216.166.165.0/24 /24 authorized for AS19092 — Zayo Bandwidth
66.62.88.0/24 /24 authorized for AS19092 — Zayo Bandwidth

NIC Handles

AS4474 AS4474 C04747777 C05038619 C07697741 C07714837 TCTAD-ARIN TCTAD-ARIN TCTAD-ARIN TCTAD-ARIN TCTWE