Data as of Nov 8, 2026
38.164.20.0/23
No anonymizer space · no proxy exits in 30 daysThe Institutes · space held by 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) | 403,145 78,303 always on | Cogent Communications, LLC |
Network & registry
Origin network
AS40177
US
- Name
- The Institutes
- Type
- Business
- Registered
- Dec 19, 2017
- Domain
- theinstitutes.org
- Industry
- Education Software
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2006
- Current origin since
- Mar 2018 · 8.7 yr
- Origin networks
- 2
- Last change of origin
- Mar 2018
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS7922 not the origin | RADB | Comcast Cable Communications, Inc. | MAINT-AS7922 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 38.
0. 0. 0/ 8 - Netname
- COGENT-A
- 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-38-0-0-0-1
- Created
- Apr 16, 1991
- 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