Data as of Nov 6, 2026
170.55.150.0/24
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 |
|---|---|---|---|---|---|
| 170.55.0.0/16 since Nov 2015 | AS33132 | Internet provider | 174 32 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 |
|---|---|---|---|---|---|---|
| 170.55.0.0/16 | 65,536 | ZAYO-CCF-170-55-0-0 | Zayo Bandwidth (ZAYOB) · US | Direct Allocation | Feb 15, 1994 | abuse@ |
| └ 170.55.150.0/29 | 8 | LTF-0-170-55-150-0-29 | unknown | — | — | — |
| └ 170.55.150.8/29 | 8 | LTF--170-55-150-8-29 | unknown | — | — | — |
| └ 170.55.150.16/29 | 8 | FPLFI-0-170-55-150-16-29 | unknown | — | — | — |
| └ 170.55.150.24/29 | 8 | FPLFI-0-170-55-150-24-29 | unknown | — | — | — |
| └ 170.55.150.48/29 | 8 | NET-MINTZER-SAROWITZ-ZERIS-170-55-150-48-29 | unknown | — | — | — |
| └ 170.55.150.64/26 | 64 | LTF-0-170-55-150-64-26 | unknown | — | — | — |
| └ 170.55.150.144/28 | 16 | LTF-0-170-55-150-144-28 | unknown | — | — | — |
| └ 170.55.150.160/29 | 8 | LTF-0-170-55-150-160-29 | unknown | — | — | — |
| └ 170.55.150.184/29 | 8 | FPLFI-0-170-55-150-184-29 | unknown | — | — | — |
| └ 170.55.150.192/29 | 8 | FPLFI-170-55-150-192-29 | unknown | — | — | — |
| └ 170.55.150.200/29 | 8 | FPLFI-170-55-150-200-29 | unknown | — | — | — |
| └ 170.55.150.208/29 | 8 | FPLFI-CITYPLACE-HOTEL--LLC-170-55-150-208-29 | unknown | — | — | — |
| └ 170.55.150.216/29 | 8 | FPLFI-BRIDGEPREP-ACAD-OF-VILLAGE-170-55-150-216-29 | unknown | — | — | — |
| └ 170.55.150.232/29 | 8 | FPLFI-0-170-55-150-232-29 | unknown | — | — | — |
Network & registry
Origin network
AS33132
US
- Name
- Crown Castle Fiber LLC
- Type
- Internet provider
- Registered
- Oct 7, 2004
- 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
- Mar 2023
- Current origin since
- Mar 2023 · 3.6 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS33132 | RADB | Crown Castle Fiber LLC | MAINT-AS27506 | May 23, 2025 |
Whois
Registration for this announcement
- Range
- 170.
55. 0. 0/ 16 - Netname
- ZAYO-CCF-170-55-0-0
- Registrant
- Zayo Bandwidth
- Organization
- Zayo Bandwidth (ZAYOB)
- Org address
- 1401 Wynkoop St., Denver, CO, 80202
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-170-55-0-0-1
- Parent
- NET-170-0-0-0-0
- Created
- Feb 15, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 15, 1994
- Status
- assigned
Report abuse
Abuse contact
- abuse@
zayo. com - Name
- Abuse
- Phone
- +1-866-236-2824
- Handle
- ABUSE5675-ARIN