AS40399 — MASERGY-CLOUD-COMMUNICATIONS

AS40399 announces 3 IPv4 prefixes covering 1,792 addresses and 0 IPv6 prefixes.

About this network

The AS handle MASERGY-CLOUD-COMMUNICATIONS is held by Masergy Cloud Communications, Inc.

What it's used for

• The address space carries corporate and cloud communications infrastructure, evidenced by netnames MASERGY-CLOUD-COMMUNICATIONS and CBG-UC-LA-10.
• The AS announces 1792 IPv4 addresses across 3 prefixes with only 1 observed neighbour, indicating a small, self-contained corporate estate rather than a transit or access network.
• Traffic from this AS consists of unified communications, cloud contact center, and managed security services for enterprise clients.

Notable

• Registrants for the largest prefixes are Masergy Cloud Communications, Inc. and CB Masergy, aligning with the announcer.
• Masergy was acquired by Comcast on October 8, 2021.
• The inventory consists of three contiguous IPv4 blocks within the 208.75.8.0/22 range, with no IPv6 prefixes announced.

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

Announced prefixes

• 208.75.8.0/23
• 208.75.11.0/24
• 208.75.12.0/22

Upstream networks

• AS19855 Masergy Communications, Inc.

Adjacent networks

• AS19855 Masergy Communications, Inc.

Routing security

• RPKI: 0 valid, 0 invalid and 7 not-found announcements; 12 ROAs.
• ASPA: none published.
• IRR: 0% of announcements registered; 1 route objects.
• Listed in as-sets: AS-ARBINET-NYC-BUYERS, AS-STEALTH, AS-WINDSTREAM-CUST, AS19855:AS-ALL, AS3491:AS-CUSTOMERS-AP, AS7474:AS-CUSTOMERS.