Data as of Nov 6, 2026
38.91.63.0/24
No anonymizer space · no proxy exits in 30 daysThinkBig Networks, LLC · reallocated from Cogent Communications, LLC
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) | 405,043 77,969 always on | 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@ |
| └ 38.91.63.0/24 | 256 | THINKBIG-CGNT-NET-7 | ThinkBig Networks, LLC (TNL-31) · US | Reallocated | Feb 20, 2025 | tech@ |
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
- Reallocated to
- ThinkBig Networks, LLC (TNL-31)
- Reallocated range
- 38.
91. 63. 0/ 24 - Reallocated
- Feb 20, 2025
Origin network
AS396168
US
- Name
- ThinkBig Networks, LLC
- Type
- Hosting
- Registered
- Mar 27, 2017
- Domain
- thinkbignets.com
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2021
- Current origin since
- May 2021 · 5.5 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS396168 | RADB | Route Registered for Cogent Communications Customer - ThinkBig Networks | MAINT-AS174 | Aug 22, 2024 |
Whois
Registration for this announcement
- Range
- 38.
91. 63. 0/ 24 - Netname
- THINKBIG-CGNT-NET-7
- Registrant
- ThinkBig Networks, LLC
- Organization
- ThinkBig Networks, LLC (TNL-31)
- Org address
- 519 Morgnec Rd., Chestertown, MD, 21620
- Org country
- US
- Type
- Reallocated
- Handle
- NET-38-91-63-0-1
- Parent
- NET-38-0-0-0-1
- Created
- Feb 20, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 16, 1991
- Status
- assigned
Report abuse
Abuse contact
- tech@
thinkbignets. com - Name
- Technical Support
- Phone
- +1-888-318-1372
- Handle
- TECHN1430-ARIN