AS701 MCI Communications Services, Inc. d/b/a Verizon Business Network Details

AS701 is an autonomous system number (ASN) managed by MCI Communications Services, Inc. d/b/a Verizon Business. The registry was last assigned on 2 Aug 1990 with 1,050,108 IP addresses active in the network. AS701 network's IP addresses are assigned by the American Registry for Internet Numbers (ARIN), the regional internet registry (RIR) for North American IP addresses.

A sample hostname from the network is available at ( Based on our research of active subnet ranges, there are no active IPv6 addresses and 1,050,108 IPv4 addresses assigned to MCI Communications Services, Inc. d/b/a Verizon Business.

AS701 Network Report

Lookup details for the MCI Communications Services, Inc. d/b/a Verizon Business network.

Network Name AS701 MCI Communications Services, Inc. d/b/a Verizon Business
Network ISP MCI Communications Services, Inc. d/b/a Verizon Business
Network Organization Enterprise Services Latin America Corporation
Registry Status Active — Allocated under ARIN
Registry Date 2 Aug 1990
Total IPv4 Addresses 1,050,108
Total IPv6 Addresses 0

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AS701 IPv4 Address Subnets US Atlanta, Georgia MCI Communications Services, Inc. Enterprise Services Latin America US Baytown, Texas Frontier Communications Solutions FTR3 ADSL Baytown TX US Dickinson, Texas Frontier Communications Solutions VZB FTR3 ADSL Dickinson TX US Washington D.C., District of Columbia MCI Communications Services, Inc. Verizon Communications

Network Latency Stats

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What is an Autonomous System (AS)?

Autonomous System (AS) numbers group IP address networks and routing prefixes with the same external routing protocols. For example, all IP addresses managed by an organization are typically listed in the same AS network group. This could include all IP address prefixes managed by a university, corporate entity, internet service provider, or similar organization. Autonomous systems are useful for organizing the internet's IP addresses by the administrative entities which manage each IP address subnet. If an organization has multiple routing policies then a unique AS number will be assigned to each group of IP addresses.

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