Data as of Nov 8, 2026
208.99.242.0/24
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 | 1 | Zayo Bandwidth | |
| 208.99.240.0/20 since Oct 2025 | AS46887 | Internet provider | 5 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@ |
| └ 208.99.242.16/29 | 8 | MAPCO-AUTO-PARKS | unknown | — | — | — |
| └ 208.99.242.24/29 | 8 | FT1-CATHOLIC-FAMILY-CENTER | unknown | — | — | — |
| └ 208.99.242.32/29 | 8 | NAZARETH-COLLEGE | unknown | — | — | — |
| └ 208.99.242.48/29 | 8 | FT2-CATHOLIC-FAMILY-CENTER | unknown | — | — | — |
| └ 208.99.242.56/29 | 8 | YELLOW-PAGE-CITY | unknown | — | — | — |
| └ 208.99.242.64/28 | 16 | PHARMA-SMART-INTERNATIONAL-INC | unknown | — | — | — |
| └ 208.99.242.80/30 | 4 | HARLEY-SCHOOL | unknown | — | — | — |
| └ 208.99.242.88/29 | 8 | MENGEL-METZGER-BARR-CO--LLP | unknown | — | — | — |
| └ 208.99.242.96/27 | 32 | HARLEY-SCHOOL | unknown | — | — | — |
| └ 208.99.242.128/29 | 8 | CYNERGY-SYSTEMS-INC | unknown | — | — | — |
| └ 208.99.242.136/29 | 8 | ME-ENGINEERING | unknown | — | — | — |
| └ 208.99.242.144/28 | 16 | ME-ENGINEERING | unknown | — | — | — |
| └ 208.99.242.160/29 | 8 | FT1-XELIC-INC | unknown | — | — | — |
| └ 208.99.242.168/29 | 8 | HARRIS-INTERACTIVE | unknown | — | — | — |
| └ 208.99.242.176/29 | 8 | IRONDEQUOIT-PUBLIC-LIBRARY | unknown | — | — | — |
| └ 208.99.242.184/29 | 8 | GREENLIGHT-NETWORKS | unknown | — | — | — |
| └ 208.99.242.192/29 | 8 | MENGEL-METZGER-BARR-AND-CO-LLP | unknown | — | — | — |
| └ 208.99.242.200/29 | 8 | EXCELLUS-BLUECROSS | unknown | — | — | — |
| └ 208.99.242.208/29 | 8 | CENTRILOGIC | unknown | — | — | — |
| └ 208.99.242.216/29 | 8 | EMPIRE-ACCESS | unknown | — | — | — |
| └ 208.99.242.224/28 | 16 | ROCHESTER-IMMEDIATE-CARE | unknown | — | — | — |
| └ 208.99.242.240/28 | 16 | FIBERTECH-NETWORKS---SPEEDTEST-SERVER | 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 | 228 | 89% | 22 | |
| Internet provider | 28 | 11% | 3 |
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
- Stable
- First seen
- Jun 2008
- Current origin since
- May 2019 · 7.5 yr
- Origin networks
- 2
- Last change of origin
- May 2019
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS46887 | RADB | MAINT-AS27506 | Sep 3, 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