Data as of Nov 12, 2026
12.35.115.0/24
No anonymizer space · no proxy exits in 30 daysColumbus Telephone Company · reallocated from AT&T Enterprises, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 12.0.0.0/9 | AS7018 | Residential | 8,130 297 always on | AT&T Enterprises, LLC | |
| 12.0.0.0/8 | AS7018 | Residential | 13,482 538 always on | AT&T Enterprises, 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 |
|---|---|---|---|---|---|---|
| 12.0.0.0/8 | 16,777,216 | ATT | AT&T Enterprises, LLC (AEL-360) · US | Direct Allocation | Aug 23, 1983 | abuse@ |
| └ 12.35.115.0/24 | 256 | NET-12-35-115-0-1 | Columbus Telephone Company (CT-38) · US | Reallocated | Sep 22, 2023 | ghamilton@ |
Network & registry
IPv4 market
Holder
- Organization
- AT&T Enterprises, LLC
- Handle
- AEL-360
- Range
- 12.
0. 0. 0/ 8 - Registration type
- Direct Allocation
- Record created
- Aug 23, 1983
- Legacy
- yes
- Reallocated to
- Columbus Telephone Company (CT-38)
- Reallocated range
- 12.
35. 115. 0/ 24 - Reallocated
- Sep 22, 2023
Origin network
AS40230
US
- Name
- Columbus Telephone Company
- Type
- Internet provider
- Registered
- May 25, 2012
- Domain
- columbus-telephone.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
- May 2005
- Current origin since
- Jun 2019 · 7.4 yr
- Origin networks
- 2
- Last change of origin
- Aug 2012
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 12.35.115.0/24 | AS40230 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 12.
35. 115. 0/ 24 - Netname
- NET-12-35-115-0-1
- Registrant
- Columbus Telephone Company
- Organization
- Columbus Telephone Company (CT-38)
- Org address
- 224 S Kansas, Columbus, KS, 66725
- Org country
- US
- Type
- Reallocated
- Handle
- NET-12-35-115-0-1
- Parent
- NET-12-0-0-0-1
- Created
- Sep 22, 2023
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 23, 1983
- Status
- assigned
Report abuse
Abuse contact
- ghamilton@
columbus-telephone. com - Name
- Hamilton, Gene R.
- Phone
- +1-620-762-0212
- Handle
- GRH8-ARIN