Data as of Nov 7, 2026
205.240.128.0/20
No anonymizer space · no proxy exits in 30 daysBrightNet Oklahoma · space held by Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 205.240.0.0/13 | AS174 | Internet provider | 35 3 always on | Cogent Communications, 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 |
|---|---|---|---|---|---|---|
| 205.240.0.0/13 | 524,288 | COGENT-205-240-0 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Apr 24, 1995 | abuse@ |
| └ 205.240.128.0/20 | 4,096 | SPRINTLINK | Chickasaw Telephone (CHCK) · US | Reallocated | Oct 29, 2002 | kstaggs@ |
| └ 205.240.137.0/24 | 256 | CHCK-205-240-137-0-TO-205-240-137-255 | unknown | — | — | — |
| └ 205.240.138.0/24 | 256 | CHCK-205-240-138-0-TO-205-240-138-255 | unknown | — | — | — |
| └ 205.240.140.0/27 | 32 | CHCK-205-240-140-0-TO-205-240-140-31 | unknown | — | — | — |
| └ 205.240.140.32/27 | 32 | CHCK-205-240-140-32-TO-205-240-140-63 | unknown | — | — | — |
| └ 205.240.140.64/27 | 32 | CHCK-205-240-140-64-TO-205-240-140-95 | unknown | — | — | — |
| └ 205.240.143.0/29 | 8 | CHCK-205-240-143-0-TO-205-240-143-7 | unknown | — | — | — |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
4,096 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Unknown | 3,584 | 88% | 3 | |
| Residential | 512 | 13% | 2 |
Network & registry
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 205.
240. 0. 0/ 13 - Registration type
- Direct Allocation
- Record created
- Apr 24, 1995
- Legacy
- yes
- Reallocated to
- Chickasaw Telephone (CHCK)
- Reallocated range
- 205.
240. 128. 0/ 20 - Reallocated
- Oct 29, 2002
Origin network
AS8025
US
- Name
- BrightNet Oklahoma
- Type
- Internet provider
- Registered
- Aug 28, 1996
- Domain
- brightok.net
- Industry
- Computer and Information Technology
- 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 · 21 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8025 | RADB | BRIGHTOK route object | MAINT-AS8025 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 205.
240. 128. 0/ 20 - Netname
- SPRINTLINK
- Registrant
- Chickasaw Telephone
- Organization
- Chickasaw Telephone (CHCK)
- Org address
- P.O. Box 460, Sulphur, OK, 73086
- Org country
- US
- Type
- Reallocated
- Handle
- NET-205-240-128-0-1
- Parent
- NET-205-240-0-0-1
- Created
- Oct 29, 2002
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 24, 1995
- Status
- assigned
Report abuse
Abuse contact
- kstaggs@
chickasawphone. net - Name
- Kevin Staggs
- Phone
- +1-580-622-0262
- Handle
- KS109-ARIN