Data as of Nov 13, 2026
208.99.241.0/24
No anonymizer space · no proxy exits in 30 daysCrown Castle Fiber LLC · space held by Zayo Bandwidth
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 208.99.240.0/21 since Nov 2021 | AS46887 | Internet provider | 2 | Zayo Bandwidth | |
| 208.99.240.0/20 since Oct 2025 | AS46887 | Internet provider | 6 1 always on | Zayo Bandwidth |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 208.99.240.0/20 | 4,096 | ZAYO-CCF-208-99-240-0 | Zayo Bandwidth (ZAYOB) · US | Direct Allocation | May 13, 2008 | abuse@ |
| └ 208.99.241.0/27 | 32 | BPA-WORLDWIDE | unknown | — | — | — |
| └ 208.99.241.32/28 | 16 | NUZZO-AND-ROBERTS | unknown | — | — | — |
| └ 208.99.241.48/28 | 16 | BL-COMPANIES-3 | unknown | — | — | — |
| └ 208.99.241.64/29 | 8 | MIDDLESEX-CARDIOLOGY-ASSOCIATES | unknown | — | — | — |
| └ 208.99.241.72/29 | 8 | ENVIRONMENTAL-DATA-RESOURCES-INC | unknown | — | — | — |
| └ 208.99.241.80/28 | 16 | BRIDGEPORT-PUBLIC-SCHOOLS | unknown | — | — | — |
| └ 208.99.241.96/28 | 16 | TOWN-OF-HAMDEN | unknown | — | — | — |
| └ 208.99.241.112/29 | 8 | CAROL-AGRIA-CPA | unknown | — | — | — |
| └ 208.99.241.120/30 | 4 | CSC-COMPUTER-SCIENCE-US | unknown | — | — | — |
| └ 208.99.241.136/30 | 4 | CHIMENET | unknown | — | — | — |
| └ 208.99.241.140/30 | 4 | DESIMONE-CONSULTING-ENGINEERS | unknown | — | — | — |
| └ 208.99.241.144/29 | 8 | OEM-CONTROLS | unknown | — | — | — |
| └ 208.99.241.152/29 | 8 | FIBERTECH-NETWORKS | unknown | — | — | — |
| └ 208.99.241.160/29 | 8 | PAS-TECHNOLOGIES | unknown | — | — | — |
| └ 208.99.241.168/29 | 8 | HUBBELL-INC | unknown | — | — | — |
| └ 208.99.241.176/28 | 16 | SCHMITT-SUSSMAN-ENTERPRISES-INC-DBA-PFP | unknown | — | — | — |
| └ 208.99.241.192/27 | 32 | HOUSING-AUTHORITY-OF-THE-CITY-OF-NEW-HAVEN | unknown | — | — | — |
| └ 208.99.241.224/27 | 32 | TRANSMONDE-USA-INC | unknown | — | — | — |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
256 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Business | 244 | 95% | 18 | |
| Internet provider | 12 | 4.7% | 1 |
Network & registry
Origin network
AS46887
US
- Name
- Crown Castle Fiber LLC
- Type
- Internet provider
- Registered
- Apr 13, 2009
- Domain
- zayo.com
- Website
- www.crowncastle.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- May 2008
- Current origin since
- Jun 2025 · 1.4 yr
- Origin networks
- 2
- Last change of origin
- Jun 2025
Recorded history
History
- Handoffs
- 5
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS16657 not the origin | RADB | Crown Castle Fiber LLC | MAINT-AS27506 | May 23, 2025 |
Whois
Registration for this announcement
- Range
- 208.
99. 240. 0/ 20 - Netname
- ZAYO-CCF-208-99-240-0
- Registrant
- Zayo Bandwidth
- Organization
- Zayo Bandwidth (ZAYOB)
- Org address
- 1401 Wynkoop St., Denver, CO, 80202
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-208-99-240-0-1
- Parent
- NET-208-0-0-0-0
- Created
- May 13, 2008
- RIR
- ARIN
- Country
- US
- Delegated
- May 13, 2008
- Status
- assigned
Report abuse
Abuse contact
- abuse@
zayo. com - Name
- Abuse
- Phone
- +1-866-236-2824
- Handle
- ABUSE5675-ARIN