Data as of Nov 10, 2026
66.195.143.0/24
No anonymizer space · no proxy exits in 30 daysIntegrated Systems Corp · space held by Level 3 Parent, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 66.192.0.0/14 | AS3549 | Internet provider | 31 4 always on | Level 3 Parent, LLC |
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 |
|---|---|---|---|---|---|---|
| 66.192.0.0/14 | 262,144 | TWTC-NETBLK-4 | Level 3 Parent, LLC (LPL-141) · US | Direct Allocation | Oct 25, 2001 | abuse@ |
| └ 66.195.143.0/24 | 256 | TWTC-ISC-01 | Integrated Systems Corp (ISC-64) · US | Reassigned | Oct 12, 2004 | — |
Network & registry
IPv4 market
Holder
- Organization
- Level 3 Parent, LLC
- Handle
- LPL-141
- Range
- 66.
192. 0. 0/ 14 - Registration type
- Direct Allocation
- Record created
- Oct 25, 2001
Origin network
AS33127
US
- Name
- Integrated Systems Corp
- Type
- Hosting
- Registered
- Oct 6, 2004
- Domain
- iscorp.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
- May 2005
- Current origin since
- May 2005 · 22 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS33127 | RADB | TWTC 1 | MAINT-AS33127 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 66.
195. 143. 0/ 24 - Netname
- TWTC-ISC-01
- Registrant
- Integrated Systems Corp
- Organization
- Integrated Systems Corp (ISC-64)
- Org address
- 10325 N. Port Washington Road, Mequon, WI, 53092
- Org country
- US
- Type
- Reassigned
- Handle
- NET-66-195-143-0-1
- Parent
- NET-66-192-0-0-1
- Created
- Oct 12, 2004
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 25, 2001
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
iscorp. com - Name
- Hostmaster
- Phone
- +1-262-240-7777
- Handle
- HOSTM1442-ARIN