Data as of Nov 3, 2026
198.3.45.0/24
No anonymizer space · no proxy exits in 30 days123.Net, Inc. · space held by Verizon Business
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 198.3.0.0/17 since Mar 2026 | AS701 | Internet provider | 13 2 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 |
|---|---|---|---|---|---|---|
| 198.3.0.0 - 198.3.135.255 | 34,816 | NETBLK-UUNETCBLK3 | Verizon Business (MCICS) · US | Direct Allocation | Nov 10, 1992 | [email protected] |
| └ 198.3.45.0/24 | 256 | NCMSNET2 | National Center for Manufacturing Sciences (NCMS-1) · US | Reassigned | Jan 27, 1993 | [email protected] |
Network & registry
IPv4 market
Holder
- Organization
- Verizon Business
- Handle
- MCICS
- Range
- 198.3.0.0 - 198.3.135.255
- Registration type
- Direct Allocation
- Record created
- Nov 10, 1992
- Legacy
- yes
Origin network
AS12129
US
- Name
- 123.Net, Inc.
- Type
- Internet provider
- Registered
- Mar 30, 1999
- Domain
- 123.net
- Website
- www.123.net
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 2011
- Current origin since
- Feb 2016 · 11 yr
- Origin networks
- 2
- Last change of origin
- Feb 2016
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 198.3.45.0/24
- Netname
- NCMSNET2
- Registrant
- National Center for Manufacturing Sciences
- Organization
- National Center for Manufacturing Sciences (NCMS-1)
- Org address
- 3025 Boardwalk, Ann Arbor, MI, 48108-3266
- Org country
- US
- Type
- Reassigned
- Handle
- NET-198-3-45-0-1
- Parent
- NET-198-3-0-0-1
- Created
- Jan 27, 1993
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 10, 1992
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Callihan, Phil
- Phone
- +1-734-995-2046
- Handle
- PCA30-ARIN