Data as of Nov 9, 2026
38.133.108.0/23
No anonymizer space · no proxy exits in 30 daysCal.net, Inc. · 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) | 401,849 78,907 always on | Cogent Communications, LLC |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 38.133.108.0/24 since Jul 2020 | AS11191 | Residential | Cogent Communications, LLC | |
| 38.133.109.0/24 since Jul 2020 | AS11191 | Residential | Cogent Communications, LLC |
Network & registry
Announced by
Covering announcement 38.133.104.0/21
- Prefix
- 38.133.104.0/21
- Announced by
- AS11191 Cal.net, Inc.
- Type
- Residential
- RPKI
- No RPKI
- Netname
- COGENT-A
- Registrant
- Cogent Communications, LLC
- RIR
- ARIN
Origin network
AS11191
US
- Name
- Cal.net, Inc.
- Type
- Internet provider
- Registered
- May 12, 1998
- Domain
- cal.net
- Website
- www.cal.net/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
38.133.104.0/21
Routing history
- Pattern
- Stable
- First seen
- Feb 2016
- Current origin since
- Jul 2020 · 6.3 yr
- Origin networks
- 2
- Last change of origin
- Jul 2020
Recorded history
History
- Handoffs
- 1
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