Autonomous System

AS11686 Zayo Bandwidth

ISPActiveUnited StatesARIN

AS11686 (ZAYO-ENA-11686) is an ISP network operated by Zayo Bandwidth in United States, registered with ARIN. It has 264 IPv4 prefixes with 965,376 addresses and 6 IPv6 prefixes, which makes it the 452nd largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses965,376in 264 prefixes
IPv6 prefixes6≈ 8.1 × 10²⁸ addresses
Size rank#452of 82,200 active ASNs
Abuser scoreVery Low0.01% of its addresses flagged · method

Details

OrganizationZayo Bandwidth
AS nameZAYO-ENA-11686
Websitezayo.com
Country United States (US)
Network typeISP
RegistryARIN
Abuse contactabuse@zayo.com
Registered1998-11-16
Last updated2025-10-02

IPv4 prefixes

264 prefixes · 965,376 addresses
NetworkAddressesFirst – last address
170.180.0.0/14262,144170.180.0.0 – 170.183.255.255
96.4.0.0/15131,07296.4.0.0 – 96.5.255.255
165.138.0.0/1665,536165.138.0.0 – 165.138.255.255
165.139.0.0/1665,536165.139.0.0 – 165.139.255.255
168.254.0.0/1665,536168.254.0.0 – 168.254.255.255
208.119.0.0/1665,536208.119.0.0 – 208.119.255.255
170.185.0.0/1732,768170.185.0.0 – 170.185.127.255
170.185.128.0/1732,768170.185.128.0 – 170.185.255.255
96.4.0.0/1816,38496.4.0.0 – 96.4.63.255
96.4.64.0/1816,38496.4.64.0 – 96.4.127.255
96.4.128.0/1816,38496.4.128.0 – 96.4.191.255
96.4.192.0/1816,38496.4.192.0 – 96.4.255.255
96.5.0.0/1816,38496.5.0.0 – 96.5.63.255
168.254.0.0/1816,384168.254.0.0 – 168.254.63.255
168.254.64.0/1816,384168.254.64.0 – 168.254.127.255
96.5.64.0/198,19296.5.64.0 – 96.5.95.255
96.5.128.0/204,09696.5.128.0 – 96.5.143.255
96.5.192.0/204,09696.5.192.0 – 96.5.207.255
96.5.240.0/204,09696.5.240.0 – 96.5.255.255
170.185.0.0/204,096170.185.0.0 – 170.185.15.255
207.191.176.0/204,096207.191.176.0 – 207.191.191.255
96.4.8.0/212,04896.4.8.0 – 96.4.15.255
96.5.88.0/212,04896.5.88.0 – 96.5.95.255
96.5.96.0/212,04896.5.96.0 – 96.5.103.255
96.5.112.0/212,04896.5.112.0 – 96.5.119.255
The 25 largest of 264. The API and the database have all of them.

IPv6 prefixes

6 prefixes
  • 2610:128::/32
  • 2602:297::/40
  • 2610:128:1200::/40
  • 2610:128:9000::/40
  • 2610:128:9100::/40
  • 2610:128:9500::/40

Query AS11686 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=AS11686&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS11686, with or without a key:

curl "https://api.ipapi.is/?q=170.180.0.1"

Other networks of Zayo Bandwidth

6 of 8
AS6461 Zayo Bandwidth1,755,648 IPv4 addressesAS19092 Zayo Bandwidth93,696 IPv4 addressesAS32703 Zayo Bandwidth67,840 IPv4 addressesAS4997 Zayo Bandwidth23,808 IPv4 addressesAS15290 Zayo Bandwidth21,760 IPv4 addressesAS16503 Zayo Bandwidth20,736 IPv4 addresses

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