Data as of Nov 7, 2026
97.107.173.0/24
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 |
|---|---|---|---|---|---|
| 97.107.172.0/23 since Nov 2021 | AS46887 | Internet provider | Zayo Bandwidth | ||
| 97.107.160.0/20 since Dec 2018 | AS46887 | Internet provider | 1 | 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 |
|---|---|---|---|---|---|---|
| 97.107.160.0/20 | 4,096 | ZAYO-CCF-97-107-160-0 | Zayo Bandwidth (ZAYOB) · US | Direct Allocation | Dec 17, 2008 | abuse@ |
| └ 97.107.173.0/27 | 32 | TOWN-OF-STRATFORD | unknown | — | — | — |
| └ 97.107.173.32/30 | 4 | A-AND-E-TELEVISION-NETWORK | unknown | — | — | — |
| └ 97.107.173.40/29 | 8 | TRUMBULL-PRINTING | unknown | — | — | — |
| └ 97.107.173.48/30 | 4 | MIDDLESEX-HOSPITAL | unknown | — | — | — |
| └ 97.107.173.52/30 | 4 | TRUEVENTS | unknown | — | — | — |
| └ 97.107.173.56/29 | 8 | DANBURY-HOSPITAL | unknown | — | — | — |
| └ 97.107.173.64/26 | 64 | THE-DAY-PUBLISHING-COMPANY | unknown | — | — | — |
| └ 97.107.173.128/27 | 32 | CUMULUS-BROADCASTING | unknown | — | — | — |
| └ 97.107.173.160/28 | 16 | PROMETHEUS-RESEARCH | unknown | — | — | — |
| └ 97.107.173.176/29 | 8 | TOTAL-MORTGAGE | unknown | — | — | — |
| └ 97.107.173.184/29 | 8 | PROMETHEUS-RESEARCH | unknown | — | — | — |
| └ 97.107.173.192/26 | 64 | NORWICH-PUBLIC-UTILITIES | 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 | 252 | 98% | 12 | |
| Internet provider | 4 | 1.6% | 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
- Stable
- First seen
- Jan 2010
- 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
- 97.
107. 160. 0/ 20 - Netname
- ZAYO-CCF-97-107-160-0
- Registrant
- Zayo Bandwidth
- Organization
- Zayo Bandwidth (ZAYOB)
- Org address
- 1401 Wynkoop St., Denver, CO, 80202
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-97-107-160-0-1
- Parent
- NET-97-0-0-0-0
- Created
- Dec 17, 2008
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 17, 2008
- Status
- assigned
Report abuse
Abuse contact
- abuse@
zayo. com - Name
- Abuse
- Phone
- +1-866-236-2824
- Handle
- ABUSE5675-ARIN