Data as of Nov 8, 2026
207.237.156.0/23
No anonymizer space · no proxy exits in 30 daysCrown Castle Fiber LLC · space held by RCN
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 207.237.0.0/16 since May 2005 | AS6079 | Residential | 326 47 always on | RCN |
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
- Aug 2012
- Current origin since
- Jul 2019 · 7.3 yr
- Origin networks
- 2
- Last change of origin
- Jul 2019
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 207.237.156.0/23 | AS46887 | /23 | ARIN | RPKI valid |
| 207.237.0.0/16 | AS6079 | /24 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS46887 | RADB | CCFL-10 RCN | MAINT-AS27506 | May 23, 2025 |
Whois
Registration for this announcement
- Range
- 207.
237. 0. 0/ 16 - Netname
- RCN-BLK-13
- Registrant
- RCN
- Organization
- RCN (RTSL-6)
- Org address
- 650 College Road East, Princeton, NJ, 08540
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-207-237-0-0-1
- Parent
- NET-207-0-0-0-0
- Created
- Oct 28, 1996
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 28, 1996
- Status
- assigned
Report abuse
Abuse contact
- abuse@
rcn. com - Name
- RCN Abuse Department
- Phone
- +1-888-972-6622
- Handle
- RAD75-ARIN