Autonomous System

AS3428 ESnet

ISPActiveUnited StatesARIN

AS3428 (ESNET-AS) is an ISP network operated by ESnet in United States, registered with ARIN. It has 5 IPv4 prefixes with 68,352 addresses and 1 IPv6 prefix, which makes it the 3,098th largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses68,352in 5 prefixes
IPv6 prefixes1≈ 1.9 × 10²⁵ addresses
Size rank#3,098of 82,200 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationESnet
AS nameESNET-AS
Websitees.net
Country United States (US)
Network typeISP
RegistryARIN
Abuse contacthostmaster@es.net
Registered1994-02-17
Last updated2012-04-10

IPv4 prefixes

5 prefixes · 68,352 addresses
NetworkAddressesFirst – last address
130.20.0.0/1665,536130.20.0.0 – 130.20.255.255
192.101.100.0/221,024192.101.100.0 – 192.101.103.255
192.101.104.0/221,024192.101.104.0 – 192.101.107.255
192.101.108.0/23512192.101.108.0 – 192.101.109.255
192.35.193.0/24256192.35.193.0 – 192.35.193.255

IPv6 prefixes

1 prefix
  • 2620:0:50f0::/44

Query AS3428 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=AS3428&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS3428, with or without a key:

curl "https://api.ipapi.is/?q=130.20.0.1"

Other networks of ESnet

AS291 ESnet262,144 IPv4 addressesAS292 ESnet262,144 IPv4 addressesAS293 ESnet140,800 IPv4 addresses

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