Autonomous System

AS16503 Zayo Bandwidth

ISPActiveUnited StatesARIN

AS16503 (ZAYO-16503) is an ISP network operated by Zayo Bandwidth in United States, registered with ARIN. It has 4 IPv4 prefixes with 20,736 addresses, which makes it the 6,691st largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses20,736in 4 prefixes
IPv6 prefixes0none
Size rank#6,691of 82,200 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationZayo Bandwidth
AS nameZAYO-16503
Websitezayo.com
Country United States (US)
Network typeISP
RegistryARIN
Abuse contactabuse@zayo.com
Registered2000-05-04
Last updated2016-09-07

IPv4 prefixes

4 prefixes · 20,736 addresses
NetworkAddressesFirst – last address
64.20.96.0/198,19264.20.96.0 – 64.20.127.255
66.45.192.0/198,19266.45.192.0 – 66.45.223.255
216.178.48.0/204,096216.178.48.0 – 216.178.63.255
64.124.127.0/2425664.124.127.0 – 64.124.127.255

IPv6 prefixes

No IPv6 prefixes.

Query AS16503 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=AS16503&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS16503, with or without a key:

curl "https://api.ipapi.is/?q=64.20.96.1"

Other networks of Zayo Bandwidth

6 of 8
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