Data as of Nov 6, 2026
154.12.208.0/21
No anonymizer space · no proxy exits in 30 daysThink Huge Ltd · space held by Cogent Communications, LLC
Announcement
this exact prefix
No RPKI
Announced by
Type
Internet provider
Recent change
New origin May 2026
its first announcement on record
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) | 628 181 always on |
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 154.12.208.0/24 since Aug 2026 | AS174 | Internet provider | Cogent Communications, LLC | |
| 154.12.209.0/24 since Aug 2026 | AS174 | Internet provider | Cogent Communications, LLC | |
| 154.12.210.0/24 since Aug 2026 | AS174 | Internet provider | Cogent Communications, LLC | |
| 154.12.211.0/24 since Aug 2026 | AS174 | Internet provider | Cogent Communications, LLC | |
| 154.12.212.0/24 since Aug 2026 | AS174 | Internet provider | Cogent Communications, LLC | |
| 154.12.213.0/24 since Aug 2026 | AS174 | Internet provider | Cogent Communications, LLC | |
| 154.12.214.0/24 since Aug 2026 | AS174 | Internet provider | Cogent Communications, LLC | |
| 154.12.215.0/24 since Aug 2026 | AS174 | Internet provider | Cogent Communications, LLC |
Network & registry
Origin network
AS199967
HK
- Name
- Think Huge Ltd
- Type
- Hosting
- Registered
- Feb 8, 2023
- Domain
- thinkhuge.net
- Website
- www.thinkhuge.net
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2026
- Current origin since
- May 2026 · 5 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 154.
12. 0. 0/ 16 - Netname
- COGENT-154-12-16
- Registrant
- Cogent Communications, LLC
- Organization
- Cogent Communications, LLC (COGC)
- Org address
- 2450 N Street NW, Washington, DC, 20037
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-154-12-0-0-1
- Parent
- NET-154-0-0-0-0
- Created
- Feb 5, 1992
- 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