Data as of Nov 6, 2026
212.20.138.0/24
No anonymizer space · no proxy exits in 30 daysCogent Communications, LLC · space held by Cogent Communications Group LLC
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 212.20.128.0/19 | 8,192 | US-COGENT-980427 | Cogent Communications Group LLC (ORG-GATI1-RIPE) · US | ALLOCATED PA | Dec 17, 2001 | abuse@ |
| └ 212.20.136.0/21 | 2,048 | VEGANET-CGNT-NET-2 | unknown | SUB-ALLOCATED PA | Dec 21, 2023 | abuse@ via US-COGENT-980427 |
| └ 212.20.138.0/24 | 256 | TEKNODC | TEKNODC BILISIM TEKNOLOJiLERI ANONIM SIRKETI (ORG-TBTA10-RIPE) | ASSIGNED PA | Feb 7, 2024 | teknodc@ |
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
Announced by
Covering announcement 212.20.128.0/19
- Prefix
- 212.20.128.0/19
- Announced by
- AS174 Cogent Communications, LLC
- Type
- Internet provider
- Proxy exits
- 225
- Always-on exits
- 25
- RPKI
- No RPKI
- Netname
- US-COGENT-980427
- Registrant
- Cogent Communications Group LLC
- RIR
- RIPE NCC
Origin network
AS174
US
- Name
- Cogent Communications, LLC
- Type
- Internet provider
- Registered
- May 16, 1996
- Domain
- cogentco.com
- Website
- www.cogentco.com/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
- VPN servers
- 1,658
Routing timeline
Who has announced 212.20.128.0/19
212.20.128.0/19
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Sep 2005 · 21 yr
- Origin networks
- 2
- Last change of origin
- Sep 2005
Recorded history
History
- Handoffs
- 1
IRR
Route objects on 212.20.128.0/19
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS174 | RIPE | C.C.D. Cogent Communications Deutschland GmbH | COGENT-ROUTE-MNT | Nov 12, 2004 |
Whois
Registration for this announcement
- Range
- 212.
20. 128. 0/ 19 - Netname
- US-COGENT-980427
- Registrant
- Cogent Communications Group LLC
- Registrant country
- DE
- Organization
- Cogent Communications Group LLC (ORG-GATI1-RIPE)
- Org country
- US
- Type
- ALLOCATED PA
- Created
- Dec 17, 2001
- Updated
- Oct 25, 2024
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- US
- Delegated
- Apr 27, 1998
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Communications Hostmaster
- Handle
- CGNT-RIPE