Data as of Nov 12, 2026
154.12.4.0/23
No anonymizer space · no proxy exits in 30 daysCogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Proxy exits | RPKI |
|---|---|---|---|---|---|
| 154.12.0.0/15 since Jan 2007 | AS174 | Internet provider | IP broker Aventice (part) | 657 167 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 |
|---|---|---|---|---|---|---|
| 154.12.0.0/16 | 65,536 | COGENT-154-12-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Feb 5, 1992 | abuse@ |
| └ 154.12.4.0/23 | 512 | NET-154-12-4-0-1 | GuangZhou Zike Network Technology Co Ltd (C09386857) · ES | Reassigned | Apr 19, 2023 | abuse@ via COGENT-154-12-16 |
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.
12. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Feb 5, 1992
- Legacy
- yes
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
- 2,094
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Apr 2021
- Current origin since
- Mar 2023 · 3.7 yr
- Origin networks
- 2
- Last change of origin
- Mar 2023
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 154.
12. 4. 0/ 23 - Netname
- NET-154-12-4-0-1
- Registrant
- GuangZhou Zike Network Technology Co Ltd
- Organization
- GuangZhou Zike Network Technology Co Ltd (C09386857)
- Type
- Reassigned
- Handle
- NET-154-12-4-0-1
- Parent
- NET-154-12-0-0-1
- Created
- Apr 19, 2023
- 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