Data as of Nov 4, 2026
199.97.228.0/24
No anonymizer space · no proxy exits in 30 daysThe Institutes · space held by Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 199.97.0.0/16 since Nov 2007 | AS174 | Internet provider | 1 | 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 |
|---|---|---|---|---|---|---|
| 199.97.0.0 - 199.100.255.255 | 262,144 | COGENT-199-97-98-99-100-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Dec 30, 1993 | [email protected] |
| └ 199.97.228.0/24 | 256 | NETBLK-PSINET-C5-13 | American Institute for CPCU (C00004998) · US | Reassigned | Dec 22, 1994 | [email protected] via COGENT-199-97-98-99-100-16 |
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
- 199.97.0.0 - 199.100.255.255
- Registration type
- Direct Allocation
- Record created
- Dec 30, 1993
- Legacy
- yes
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
- May 2005
- Current origin since
- Mar 2018 · 8.6 yr
- Origin networks
- 2
- Last change of origin
- Mar 2018
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 199.97.228.0/24
- Netname
- NETBLK-PSINET-C5-13
- Registrant
- American Institute for CPCU
- Organization
- American Institute for CPCU (C00004998)
- Type
- Reassigned
- Handle
- NET-199-97-228-0-1
- Parent
- NET-199-97-0-0-1
- Created
- Dec 22, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 30, 1993
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN