All ASNs

Autonomous System details for AS19855

AS19855
Masergy Communications, Inc. • masergy.com

AS19855 — Masergy Communications, Inc.

AS Name
MASERGY
Country
United States (US)
Website
Number of IPv4
198,400
Number of IPv6
2.38 × 1029
ASN type
Business
Status
Assigned
Registry
ARIN
Allocated
February 21, 2001
Last updated
March 02, 2012

IP Ranges

98 IPv4 prefixes, 5 IPv6 prefixes
Prefix Company Number of IPs
45.45.151.0/24 CSRA State and Local Solutions LLC 256
64.47.0.0/16 Masergy Communications, Inc. 65,536
64.47.0.0/23 Masergy Communications, Inc. 512
64.47.3.0/24 Masergy Communications, Inc. 256
64.47.4.0/24 Masergy Communications, Inc. 256
64.47.5.0/24 Masergy Communications, Inc. 256
64.47.14.0/24 Genesys Telecommunications Laboratories, Inc. 256
64.47.18.0/24 Masergy Communications, Inc. 256
64.47.21.0/24 CareKinesis 256
64.47.24.0/24 Wabtec Corporation 256
64.47.27.0/24 Allianz Global Investors U.S. Holdings LLC 256
64.47.28.0/23 MMHFGB 512
64.47.30.0/23 Essen Medical Associates, P.C. 512
64.47.36.0/23 Access Information Management Shared Services, LLC 512
64.47.40.0/23 Masergy Communications, Inc. 512
64.47.43.0/24 Isuzu North America Corporation 256
64.47.46.0/24 Masergy Communications, Inc. 256
64.47.48.0/24 RPM 256
64.47.49.0/24 MC004400 - Erickson Senior Living, LLC 256
64.47.50.0/23 Masergy Communications, Inc. 512
64.47.56.0/23 NextGen Communications, Inc. 512
64.47.61.0/24 Masergy Communications, Inc. 256
64.47.62.0/23 Campagna-Turano Bakery, Inc. 512
64.47.72.0/22 Masergy Communications, Inc. 1,024
64.47.76.0/22 Gunderson Dettmer Stough Villeneuve Franklin & Hachigian, LLP 1,024
64.47.84.0/22 Paragon Industries, Inc 1,024
64.47.88.0/22 Masergy Communications, Inc. 1,024
64.47.92.0/22 OceanX, LLC 1,024
64.47.96.0/22 DSC Logistics, Inc. 1,024
64.47.100.0/22 Ancra International LLC 1,024
64.47.105.0/24 Masergy Communications, Inc. 256
64.47.107.0/24 Rise, Inc. 256
64.47.112.0/22 Masergy Communications, Inc. 1,024
64.47.117.0/24 Broadcore (Domingo & Vu) 256
64.47.118.0/24 Continental Exchange Solutions, Inc. 256
64.47.120.0/22 AtlantiCare Regional Medical Center 1,024
64.47.128.0/24 Masergy Communications, Inc. 256
64.47.160.0/22 Masergy Communications, Inc. 1,024
64.47.164.0/22 Best, Best & Krieger LLP 1,024
64.47.164.0/24 Best, Best & Krieger LLP 256
64.47.180.0/24 Masergy Communications, Inc. 256
64.47.184.0/24 Global Telecom & Technology Americas, Inc. 256
64.47.187.0/24 Crown-Tonka, Inc 256
64.47.188.0/22 Pacific Market International 1,024
64.47.197.0/24 Masergy Communications, Inc. 256
64.47.208.0/22 BMT Scientific Marine Services, Inc 1,024
64.47.214.0/24 Masergy Communications, Inc. 256
64.47.216.0/24 MC003645 Daylight Transport LLC 256
64.47.217.0/24 Masergy Communications, Inc. 256
64.47.218.0/24 Masergy Communications, Inc. 256
64.47.224.0/22 M5 Networks, Inc. 1,024
64.47.228.0/22 Moore Capital Management 1,024
64.47.232.0/24 BMW of Sterling 256
64.47.233.0/24 General Atlantic Service Company, LLC 256
64.47.235.0/24 BLUEJEANSNET.COM 256
64.47.238.0/24 Masergy Communications, Inc. 256
64.47.241.0/24 Zenith Marketing Group, Inc. 256
64.47.242.0/24 TREK, Inc 256
64.47.246.0/23 Masergy Communications, Inc. 512
64.47.252.0/24 Masergy Communications, Inc. 256
64.47.253.0/24 Nexteer Automotive Corporation 256
64.138.0.0/17 CISC 32,768
64.138.2.0/23 Masergy Communications, Inc. 512
64.138.4.0/23 Masergy Communications, Inc. 512
64.138.6.0/23 Masergy Communications, Inc. 512
64.138.8.0/23 Masergy Communications, Inc. 512
64.138.10.0/23 General Aviation Manufacturers Association 512
64.138.20.0/22 Masergy Communications, Inc. 1,024
64.138.26.0/24 General Atlantic Service Company 256
64.138.31.0/24 BKUK Group Limited - MC005535 256
64.138.128.0/18 Masergy Communications, Inc. 16,384
64.138.128.0/22 Masergy Communications, Inc. 1,024
64.138.133.0/24 CB Masergy 256
64.138.134.0/24 CB Masergy 256
64.138.137.0/24 CB Masergy 256
64.138.140.0/22 Masergy Communications, Inc. 1,024
64.138.144.0/22 Thorlabs, Inc. 1,024
64.138.149.0/24 Masergy Communications, Inc. 256
64.138.150.0/24 Masergy Communications, Inc. 256
64.138.153.0/24 Masergy Communications, Inc. 256
64.138.156.0/22 Comcast Business 1,024
65.96.0.0/18 Comcast Cable Communications, LLC 16,384
65.96.128.0/18 Comcast Cable Communications, LLC 16,384
74.116.49.0/24 Rudolph Technologies, Inc. 256
80.241.64.0/20 Masergy Communications, Inc 4,096
93.187.16.0/21 Masergy Communications, Inc 2,048
94.199.128.0/21 Masergy Communications, Inc 2,048
140.242.146.0/24 HP Inc. 256
140.242.147.0/24 HP Inc. 256
169.143.243.0/24 Jeppesen ForeFlight Inc. 256
185.60.28.0/22 Masergy Communications, Inc 1,024
185.60.31.0/24 Masergy Communications, Inc 256
192.131.149.0/24 Peabody Holding Company, LLC 256
192.197.247.0/24 Hitachi High -Tech America 256
198.73.224.0/24 Blount International, Inc 256
204.139.40.0/24 AAR Corp. 256
204.139.45.0/24 AAR Corp. 256
204.139.49.0/24 AAR Corp. 256
2400:7160:2000::/44 COMCAST INDIA ENGINEERING CENTER I LLP 1.93 × 1025
2400:7160:2020::/44 COMCAST INDIA ENGINEERING CENTER I LLP 1.93 × 1025
2402:2100::/32 Masergy Communications, INC 7.92 × 1028
2607:fa70::/32 Masergy Communications, Inc. 7.92 × 1028
2a03:6580::/32 Masergy Communications, Inc 7.92 × 1028

IP ranges are the different blocks of IP addresses advertised by an Autonomous System (AS). These ranges can be used by the same organization operating the AS, or by different organizations.

Peers of AS19855

0 peers

AS19855 has no peers recorded.

Peering is a direct, often free, traffic exchange between Autonomous Systems (ASNs). They share routes only to their own networks and customers, making connections faster and cheaper for that specific traffic, without providing full internet access to each other.

Upstreams of AS19855

9 upstreams
AS174 AS3356 AS3491 AS7473 AS7474 AS7922 AS12956 AS33491 AS198148

AS19855 uses these Autonomous Systems as its upstreams.

An upstream (or transit provider) is another AS that AS19855 pays for full internet connectivity, allowing it to reach all global destinations and be reachable by them.

Downstreams of AS19855

17 downstreams
AS543 AS11199 AS12222 AS13860 AS14514 AS15027 AS15126 AS16541 AS20340 AS20427 AS22775 AS23406 AS26428 AS33014 AS33054 AS40399 AS394301

AS19855 provides internet connectivity to these downstream Autonomous Systems.

A downstream is a customer Autonomous System that pays another AS (its provider) for internet access. The provider AS carries the downstream's traffic and makes its network reachable.

Our IP address tools

Explore all tools

What is my IP?

Discover your public IP address and detailed information about your connection.

Check your IP address details

CIDR to IP Range Converter (IPv4 and IPv6)

Convert CIDR notation to IP address ranges and vice versa. Useful for network configuration and security.

Use the CIDR to IP Range Converter

IP to Hostname/rDNS Lookup

Perform a reverse DNS (rDNS) lookup to get the hostname for an IP address.

Look up an IP address’s hostname

IPv6 Expander/Collapser

Expand or collapse IPv6 addresses to their full or shortened forms for better readability and usage.

Expand or collapse IPv6 addresses