Data as of Nov 3, 2026
199.172.136.0/24
No anonymizer space · no proxy exits in 30 daysInstitute of Electrical and Electronics Engineers, Inc · space held by Verizon Business
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 199.172.0.0/15 since May 2005 | AS701 | Internet provider | 439 123 always on | Verizon Business |
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 |
|---|---|---|---|---|---|---|
| 199.170.0.0 - 199.173.255.255 | 262,144 | NETBLK-UUCBLK170-173 | Verizon Business (MCICS) · US | Direct Allocation | Feb 10, 1994 | [email protected] |
| └ 199.172.136.0/24 | 256 | IEEE2-ORG | Institute of Electrical and Electronics Engineers, Inc (IEEE) · US | Reassigned | Dec 14, 1994 | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- Verizon Business
- Handle
- MCICS
- Range
- 199.170.0.0 - 199.173.255.255
- Registration type
- Direct Allocation
- Record created
- Feb 10, 1994
- Legacy
- yes
Origin network
AS13462
US
- Name
- Institute of Electrical and Electronics Engineers, Inc
- Type
- Education
- Registered
- Jun 15, 1999
- Domain
- ieee.org
- Industry
- Service
- 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
- May 2005 · 21 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS13462 | NTTCOM | Institute of Electrical and Electronics Engineers | MAINT-NTTCOM-RA | Apr 13, 2007 |
Whois
Registration for this announcement
- Range
- 199.172.136.0/24
- Netname
- IEEE2-ORG
- Registrant
- Institute of Electrical and Electronics Engineers, Inc
- Organization
- Institute of Electrical and Electronics Engineers, Inc (IEEE)
- Org address
- 445 Hoes Lane, Piscataway, NJ, 08855
- Org country
- US
- Type
- Reassigned
- Handle
- NET-199-172-136-0-1
- Parent
- NET-199-170-0-0-1
- Created
- Dec 14, 1994
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 10, 1994
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- IEEE Abuse
- Phone
- +1-732-562-5439
- Handle
- IEEEA-ARIN