Data as of Nov 3, 2026
8.12.72.0/24
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 |
|---|---|---|---|---|---|
| 8.12.72.0/22 since Aug 2016 | AS13767 | Hosting | Level 3 Parent, LLC via DataBank Holdings, Ltd. | ||
| 8.0.0.0/12 | AS3356 | Internet provider | 1,616 255 always on | ||
| 8.0.0.0/9 | AS3356 | Internet provider | 5,565 930 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 |
|---|---|---|---|---|---|---|
| 8.8.9.0 - 8.127.255.255 | 7,862,016 | LVLT-ORG-8-8 | Level 3 Parent, LLC (LPL-141) · US | Direct Allocation | Dec 1, 1992 | [email protected] |
| └ 8.12.72.0/22 | 1,024 | DBNK-8-12-72-DFW-22 | DataBank Holdings, Ltd. (DHL-19) · US | Reallocated | Feb 19, 2008 | [email protected] |
| └ 8.12.72.0/24 | 256 | ISCP-W11-2527 | ISCorp (C04801486) · US | Reassigned | Dec 11, 2013 | [email protected] via DBNK-8-12-72-DFW-22 |
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
Registry
Holder
- Organization
- Level 3 Parent, LLC
- Handle
- LPL-141
- Range
- 8.8.9.0 - 8.127.255.255
- Registration type
- Direct Allocation
- Record created
- Dec 1, 1992
- Legacy
- yes
- Reallocated to
- DataBank Holdings, Ltd. (DHL-19)
- Reallocated range
- 8.12.72.0/22
- Reallocated
- Feb 19, 2008
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
- Nov 2011
- Current origin since
- Aug 2016 · 10 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 8.12.72.0/24
- Netname
- ISCP-W11-2527
- Registrant
- ISCorp
- Organization
- ISCorp (C04801486)
- Type
- Reassigned
- Handle
- NET-8-12-72-0-2
- Parent
- NET-8-12-72-0-1
- Created
- Dec 11, 2013
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 1, 1992
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse
- Phone
- +1-800-840-7533
- Handle
- ABUSE1868-ARIN