Autonomous System
AS3378 Verizon Business
ISPActiveUnited StatesARIN
AS3378 (MCI-ASN) is an ISP network operated by Verizon Business in United States, registered with ARIN. It has 37 IPv4 prefixes with 72,704 addresses, which makes it the 2,906th largest of 82,283 active autonomous systems by IPv4 space.
IPv4 addresses72,704in 37 prefixes
IPv6 prefixes0none
Size rank#2,906of 82,283 active ASNs
Details
OrganizationVerizon Business
AS nameMCI-ASN
Websiteverizon.com
Country United States (US)
Network typeISP
RegistryARIN
Abuse contactipadmin@support.ftr.com
Registered1994-01-06
Last updated2024-07-02
IPv4 prefixes
37 prefixes · 72,704 addresses| Network | Addresses | First – last address |
|---|---|---|
| 166.34.64.0/18 | 16,384 | 166.34.64.0 – 166.34.127.255 |
| 146.1.192.0/19 | 8,192 | 146.1.192.0 – 146.1.223.255 |
| 166.38.96.0/19 | 8,192 | 166.38.96.0 – 166.38.127.255 |
| 142.77.80.0/20 | 4,096 | 142.77.80.0 – 142.77.95.255 |
| 159.24.64.0/20 | 4,096 | 159.24.64.0 – 159.24.79.255 |
| 162.47.128.0/20 | 4,096 | 162.47.128.0 – 162.47.143.255 |
| 165.122.128.0/20 | 4,096 | 165.122.128.0 – 165.122.143.255 |
| 199.249.16.0/20 | 4,096 | 199.249.16.0 – 199.249.31.255 |
| 142.77.72.0/21 | 2,048 | 142.77.72.0 – 142.77.79.255 |
| 146.1.24.0/21 | 2,048 | 146.1.24.0 – 146.1.31.255 |
| 146.1.40.0/21 | 2,048 | 146.1.40.0 – 146.1.47.255 |
| 159.98.72.0/21 | 2,048 | 159.98.72.0 – 159.98.79.255 |
| 159.98.104.0/21 | 2,048 | 159.98.104.0 – 159.98.111.255 |
| 159.98.112.0/22 | 1,024 | 159.98.112.0 – 159.98.115.255 |
| 205.150.160.0/22 | 1,024 | 205.150.160.0 – 205.150.163.255 |
| 146.1.4.0/23 | 512 | 146.1.4.0 – 146.1.5.255 |
| 146.1.16.0/23 | 512 | 146.1.16.0 – 146.1.17.255 |
| 162.47.144.0/23 | 512 | 162.47.144.0 – 162.47.145.255 |
| 162.47.146.0/23 | 512 | 162.47.146.0 – 162.47.147.255 |
| 166.38.132.0/23 | 512 | 166.38.132.0 – 166.38.133.255 |
| 166.38.136.0/23 | 512 | 166.38.136.0 – 166.38.137.255 |
| 142.77.1.0/24 | 256 | 142.77.1.0 – 142.77.1.255 |
| 142.77.14.0/24 | 256 | 142.77.14.0 – 142.77.14.255 |
| 142.77.32.0/24 | 256 | 142.77.32.0 – 142.77.32.255 |
| 142.77.46.0/24 | 256 | 142.77.46.0 – 142.77.46.255 |
166.34.64.0/18 146.1.192.0/19 166.38.96.0/19 142.77.80.0/20 159.24.64.0/20 162.47.128.0/20 165.122.128.0/20 199.249.16.0/20 142.77.72.0/21 146.1.24.0/21 146.1.40.0/21 159.98.72.0/21 159.98.104.0/21 159.98.112.0/22 205.150.160.0/22 146.1.4.0/23 146.1.16.0/23 162.47.144.0/23 162.47.146.0/23 166.38.132.0/23 166.38.136.0/23 142.77.1.0/24 142.77.14.0/24 142.77.32.0/24 142.77.46.0/24
The 25 largest of 37. The API and the database have all of them.
IPv6 prefixes
No IPv6 prefixes.
Query AS3378 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS3378&key=YOUR_API_KEY"Any address in its prefixes resolves to AS3378, with or without a key:
curl "https://api.ipapi.is/?q=166.34.64.1"Other networks of Verizon Business
6 of 24AS701 Verizon Business43,604,736 IPv4 addressesAS22394 Verizon Business31,018,752 IPv4 addressesAS6167 Verizon Business18,045,952 IPv4 addressesAS5650 Verizon Business13,091,072 IPv4 addressesAS2828 Verizon Business6,650,112 IPv4 addressesAS702 Verizon Business5,868,544 IPv4 addresses
Largest networks in United States
AS749 United States Department of Defense (DoD)227,398,912 IPv4 addressesAS16509 Amazon.com, Inc.218,475,264 IPv4 addressesAS7018 AT&T Enterprises, LLC117,261,568 IPv4 addressesAS8075 Microsoft Corporation81,463,040 IPv4 addressesAS721 United States Department of Defense (DoD)72,987,904 IPv4 addressesAS7922 Comcast Cable Communications, LLC68,337,152 IPv4 addresses