Data as of Nov 9, 2026
38.51.156.0/23
No anonymizer space · no proxy exits in 30 daysThundernet, C.A. · space held by Cogent Communications, LLC
Announcement
this exact prefix
RPKI valid
Announced by
Type
Residential
Recent change
New origin Sep 2026
its first announcement on record
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|---|
| 38.0.0.0/8 | AS174 | Internet provider | IP broker Rackdog (part) | 401,849 78,907 always on | Cogent Communications, LLC |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 38.51.156.0/24 since Oct 2022 | AS272809 | Residential | Cogent Communications, LLC | |
| 38.51.157.0/24 since Oct 2022 | AS272809 | Residential | 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 |
|---|---|---|---|---|---|---|
| 38.0.0.0/8 | 16,777,216 | COGENT-A | Cogent Communications, LLC (COGC) · US | Direct Allocation | Apr 16, 1991 | abuse@ |
| └ 38.51.156.0/22 | 1,024 | THUNDER-CGNT-NET-1 | Thunder Services and Solutions Corp (C08758170) · VE | Reassigned | Jul 19, 2022 | abuse@ via COGENT-A |
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
- 38.
0. 0. 0/ 8 - Registration type
- Direct Allocation
- Record created
- Apr 16, 1991
- Legacy
- yes
Origin network
AS272809
VE
- Name
- Thundernet, C.A.
- Type
- Internet provider
- Registered
- Jun 22, 2022
- Domain
- thundernet.com.ve
- Website
- www.thundernet.com.ve
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2026
- Current origin since
- Sep 2026 · 2 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 38.51.156.0/22 | AS272809 | /24 | ARIN | RPKI valid |
Whois
Registration for this announcement
- Range
- 38.
51. 156. 0/ 22 - Netname
- THUNDER-CGNT-NET-1
- Registrant
- Thunder Services and Solutions Corp
- Organization
- Thunder Services and Solutions Corp (C08758170)
- Type
- Reassigned
- Handle
- NET-38-51-156-0-1
- Parent
- NET-38-0-0-0-1
- Created
- Jul 19, 2022
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 16, 1991
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN