Data as of Nov 5, 2026
154.53.161.0/24
No anonymizer space · no proxy exits in 30 daysMailbox Internet Hizmetleri Ltd. Sti. · space held by Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 154.48.0.0/12 since May 2005 | AS174 | Internet provider | 12,780 2,404 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 |
|---|---|---|---|---|---|---|
| 154.53.0.0/16 | 65,536 | COGENT-154-53-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Feb 5, 1992 | abuse@ |
| └ 154.53.160.0/21 | 2,048 | KUZEY-VERI-MERKEZI-CGNT-NET-2 | Kuzey Veri Merkezi Anonim Sirketi (C10856004) · TR | Reassigned | May 28, 2024 | abuse@ via COGENT-154-53-16 |
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
IPv4 market
Holder
- Organization
- Cogent Communications, LLC
- Handle
- COGC
- Range
- 154.
53. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Feb 5, 1992
- Legacy
- yes
Origin network
AS62425
TR
- Name
- Mailbox Internet Hizmetleri Ltd. Sti.
- Type
- Hosting
- Registered
- May 5, 2021
- Domain
- kuzeydc.com
- Website
- kuzeydc.com
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Oct 2023
- Current origin since
- Oct 2023 · 3.1 yr
- Origin networks
- 2
- Last change of origin
- Mar 2025
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 154.53.160.0/21 | AS62425 | /24 | ARIN | RPKI valid |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS62425 | RADB | Registered for Cogent Communications Customer - Kuzey Veri Merkezi Anonim Sirketi | MAINT-AS174 | Mar 31, 2025 |
Whois
Registration for this announcement
- Range
- 154.
53. 160. 0/ 21 - Netname
- KUZEY-VERI-MERKEZI-CGNT-NET-2
- Registrant
- Kuzey Veri Merkezi Anonim Sirketi
- Organization
- Kuzey Veri Merkezi Anonim Sirketi (C10856004)
- Type
- Reassigned
- Handle
- NET-154-53-160-0-1
- Parent
- NET-154-53-0-0-1
- Created
- May 28, 2024
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 5, 1992
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN