AS55066 — ESTRUXTURE-BC-B - eStruxture Data Centers Inc.

Network type: hosting

AS55066 announces 12 IPv4 prefixes covering 8,960 addresses and 1 IPv6 prefixes.

About this network

ESTRUXTURE-BC-B is operated by eStruxture Data Centers Inc.

What it's used for

• The address space carries colocation and data center infrastructure, evidenced by netnames like ESTRUXTURE-CGNT-NET-2 and ESTRUX-ARIN-VANBLK03.
• The AS announces 10,752 IPv4 addresses across 19 prefixes and 1 IPv6 prefix, with 6 observed neighbours, indicating a hosting and colocation role rather than transit.
• Traffic from this AS consists of hosted customer workloads, including web services and API endpoints, as seen in reverse DNS entries such as mx1.newconfit.com and eabling.advertclicker.com.

Notable

• Registrants for the largest prefixes include both eStruxture Data Centers Inc. and Cogent Communications, LLC, with netnames like COGENT-A and PSINET-B2-9 appearing on multiple blocks.
• The address inventory is a mix of /20, /23, and /24 prefixes, with the largest block being 38.186.48.0/20.

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

Announced prefixes

• 38.87.86.0/24
• 38.96.152.0/24
• 38.186.48.0/20
• 104.194.4.0/24
• 154.9.114.0/23
• 154.21.56.0/23
• 154.30.156.0/23
• 154.37.196.0/23
• 154.50.60.0/23
• 154.50.62.0/24
• 154.50.96.0/24
• 208.82.120.0/22
• 2605:9000:d::/48

Upstream networks

• AS174 Cogent Communications, LLC
• AS1299 Arelion Sweden AB
• AS6939 Hurricane Electric LLC
• AS852 TELUS Communications Inc.
• AS22652 Videotron Ltee
• AS394256 Tech Futures Interactive Inc.

Adjacent networks

• AS174 Cogent Communications, LLC
• AS1299 Arelion Sweden AB
• AS6939 Hurricane Electric LLC
• AS852 TELUS Communications Inc.
• AS22652 Videotron Ltee
• AS394256 Tech Futures Interactive Inc.

Routing security

• RPKI: 5 valid, 0 invalid and 23 not-found announcements; 3 ROAs.
• ASPA: none published.
• IRR: 29% of announcements registered; 8 route objects.
• Listed in as-sets: AS-ESTRUXTURE.

Internet exchanges

• Vancouver Internet Exchange — Vancouver, Canada