Data as of Nov 4, 2026
154.62.187.0/24
No anonymizer space · no proxy exits in 30 daysIntegrated Systems Corp · space held by Cogent Communications, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | RPKI |
|---|---|---|---|---|
| 154.48.0.0/12 since May 2005 | AS174 | Internet provider | 12,748 2,411 always on |
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 |
|---|---|---|---|---|---|---|
| 154.62.0.0/16 | 65,536 | COGENT-154-62-16 | Cogent Communications, LLC (COGC) · US | Direct Allocation | Feb 5, 1992 | abuse@ |
| └ 154.62.187.0/24 | 256 | NET-154-62-187-0-1 | Integrated Systems Corporation (C09144094) · GB | Reassigned | Jan 16, 2023 | abuse@ via COGENT-154-62-16 |
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
- 154.
62. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Feb 5, 1992
- Legacy
- yes
Origin network
AS33127
US
- Name
- Integrated Systems Corp
- Type
- Hosting
- Registered
- Oct 6, 2004
- Domain
- iscorp.com
- Industry
- Software Development
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Apr 2021
- Current origin since
- Apr 2021 · 5.5 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS33127 | RADB | UK1 block provided by Cogent | MAINT-AS33127 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 154.
62. 187. 0/ 24 - Netname
- NET-154-62-187-0-1
- Registrant
- Integrated Systems Corporation
- Organization
- Integrated Systems Corporation (C09144094)
- Type
- Reassigned
- Handle
- NET-154-62-187-0-1
- Parent
- NET-154-62-0-0-1
- Created
- Jan 16, 2023
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 5, 1992
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cogentco. com - Name
- Cogent Abuse
- Phone
- +1-877-875-4311
- Handle
- COGEN-ARIN