Data as of Nov 3, 2026
205.156.184.0/21
No anonymizer space · no proxy exits in 30 daysMMC · space held by Marsh Inc.
Network & registry
Origin network
AS21874
US
- Name
- MMC
- Type
- Business
- Registered
- Jul 3, 2001
- Domain
- mmc.com
- Industry
- Service
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2015
- Current origin since
- Feb 2015 · 12 yr
- Origin networks
- 1
RPKI
Route origin authorizations
Whois
Registration for this announcement
- Range
- 205.156.64.0 - 205.156.191.255
- Netname
- MMC-205-156
- Registrant
- Marsh Inc.
- Organization
- Marsh Inc. (MARSHI-1)
- Org address
- 1166 Avenue of the Americas, New York, NY, 10036
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-205-156-64-0-1
- Parent
- NET-205-0-0-0-0
- Created
- Mar 13, 1995
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 13, 1995
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- MMC-Abuse
- Phone
- +1-502-561-4600
- Handle
- MMCAB-ARIN