Data as of Nov 3, 2026
63.156.168.0/24
No anonymizer space · no proxy exits in 30 daysFlorida Cancer Specialists, P.L. · space held by CenturyLink Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 63.144.0.0/12 | AS209 | Residential | 1,495 69 always on |
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 |
|---|---|---|---|---|---|---|
| 63.152.0.0/13 | 524,288 | CENTURYLINK-LEGACY-QWEST-INET-16 | CenturyLink Communications, LLC (CCL-534) · US | Direct Allocation | Jul 12, 2000 | [email protected] |
| └ 63.156.168.0/24 | 256 | QWEST-TPF-FCS1 | Florida Cancer Specialists (C02958978) · US | Reassigned | Apr 12, 2012 | [email protected] via CENTURYLINK-LEGACY-QWEST-INET-16 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
IPv4 market
Holder
- Organization
- CenturyLink Communications, LLC
- Handle
- CCL-534
- Range
- 63.152.0.0/13
- Registration type
- Direct Allocation
- Record created
- Jul 12, 2000
Origin network
AS20145
US
- Name
- Florida Cancer Specialists, P.L.
- Type
- Business
- Registered
- Sep 4, 2007
- Domain
- flcancer.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jun 2012
- Current origin since
- Jun 2012 · 14 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS20145 | RADB | RR-RC-Florida Cancer Specialists-Florida | MAINT-RR | Jul 9, 2026 |
Whois
Registration for this announcement
- Range
- 63.156.168.0/24
- Netname
- QWEST-TPF-FCS1
- Registrant
- Florida Cancer Specialists
- Organization
- Florida Cancer Specialists (C02958978)
- Type
- Reassigned
- Handle
- NET-63-156-168-0-1
- Parent
- NET-63-152-0-0-1
- Created
- Apr 12, 2012
- RIR
- ARIN
- Country
- US
- Delegated
- Jul 12, 2000
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Centurylink Abuse Desk
- Phone
- +1-877-886-6515
- Handle
- CAD54-ARIN