Data as of Nov 8, 2026
Autonomous system
AS4997
Zayo Bandwidth
Announces 22,784 addresses in 26 prefixes. None of it is anonymizer space.
Type
Internet provider
US
Announced prefixes
| Prefix | Type | Holder | RPKI |
|---|---|---|---|
| 208.39.192.0/23 since May 2005 | Internet provider | ||
| 208.39.194.0/23 since May 2005 | Internet provider | ||
| 208.39.196.0/22 since May 2005 | Internet provider | ||
| 208.39.199.0/24 since Jul 2010 | Internet provider | ||
| 208.39.218.0/24 since May 2005 | Internet provider | ||
| 208.39.222.0/24 since May 2005 | Internet provider | ||
| 208.39.224.0/22 since May 2005 | Internet provider | ||
| 208.39.228.0/24 since Jul 2010 | Internet provider | ||
| 208.39.229.0/24 since Jul 2010 | Internet provider | ||
| 208.39.232.0/21 since May 2005 | Unknown | via Twelve Horses North America, LLC | |
| 208.39.246.0/24 since Dec 2005 | Internet provider | ||
| 208.39.247.0/24 since Jun 2010 | Internet provider | ||
| 208.39.248.0/22 since Jan 2010 | Internet provider | ||
| 208.39.249.0/24 since Jan 2009 | Internet provider | ||
| 208.39.252.0/22 since Jan 2010 | Internet provider | ||
| 208.39.255.0/24 since Apr 2009 | Internet provider | ||
| 216.222.0.0/20 since May 2005 | Internet provider | ||
| 216.222.13.0/24 since Jul 2010 | Unknown | ||
| 216.222.24.0/22 since May 2005 | Internet provider | ||
| 216.222.32.0/23 since May 2005 | Internet provider | ||
| 216.222.36.0/22 since May 2005 | Internet provider | ||
| 216.222.40.0/21 since May 2005 | Internet provider | ||
| 216.222.48.0/20 since May 2005 | Internet provider | ||
| 216.222.90.0/23 since May 2005 | Internet provider | ||
| 216.222.92.0/23 since May 2005 | Internet provider | ||
| 216.222.101.0/24 since Sep 2010 | Unknown |
Network & history
Profile
- Registered
- Jan 4, 2002
- Domain
- zayo.com
- Industry
- Internet Service Provider (ISP)
The space it routes itself
Address share by type
Routing patterns
How its announcements have moved
Arrivals