IPv4 prefix
64.124.176.0/21
- IP Prefix (CIDR)
- 64.124.176.0/21
- Subnet Mask
- 255.255.248.0
- Address Count
- 2,048
Registration 1 of 3
- Owner
- Zayo Bandwidth
- Handle
- ZAYOB
- Address
- 1401 Wynkoop St. #500 Denver CO 80202 United States
- Registry
- ARIN
- Registered Prefix
- 64.124.176.0/21 (64.124.176.0 - 64.124.183.255)
- Delegated Prefix
- 64.124.128.0/19 (64.124.128.0 - 64.124.159.255)
Registration 2 of 3
- Owner
- Wilmer Cutler Pickering Hale and Dorr LLP
- Handle
- C11013498
- Address
- 128 1st Ave Needham Heights MA 02494 United States
- Registry
- ARIN
- Registered Prefix
- 64.124.176.0/29 (64.124.176.0 - 64.124.176.7)
- Delegated Prefix
- 64.124.176.0/21 (64.124.176.0 - 64.124.183.255)
Registration 3 of 3
- Owner
- Hanweck Associates
- Handle
- C06007715
- Address
- 350 E Cermak Chicago IL 60616 United States
- Registry
- ARIN
- Registered Prefix
- 64.124.177.0/24 (64.124.177.0 - 64.124.177.255)
- Delegated Prefix
- 64.124.176.0/21 (64.124.176.0 - 64.124.183.255)
| Announced Prefix | Relationship | Origin ASN | Description | Country | First Address | Last Address |
|---|---|---|---|---|---|---|
| 64.124.0.0/15 | Covering | AS6461 | Zayo Bandwidth |
United States of America (US)
|
64.124.0.0 | 64.125.255.255 |
| 64.124.177.0/24 | More specific | AS16534 | Cboe |
United States of America (US)
|
64.124.177.0 | 64.124.177.255 |