Data as of Nov 3, 2026
63.99.74.0/24
No anonymizer space · no proxy exits in 30 daysUSP · space held by Verizon Business
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 63.96.0.0/12 | AS701 | Internet provider | 97 5 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 |
|---|---|---|---|---|---|---|
| 63.64.0.0/10 | 4,194,304 | UUNET63 | Verizon Business (MCICS) · US | Direct Allocation | Jan 22, 1999 | [email protected] |
| └ 63.99.74.0/23 | 512 | UU-63-99-74 | USP (C00594771) · US | Reassigned | Apr 20, 2000 | [email protected] via UUNET63 |
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
- Verizon Business
- Handle
- MCICS
- Range
- 63.64.0.0/10
- Registration type
- Direct Allocation
- Record created
- Jan 22, 1999
Origin network
AS30515
US
- Name
- USP
- Type
- Business
- Registered
- Oct 28, 2003
- Domain
- usp.org
- Industry
- Chemical and Pharmaceutical Manufacturing
- 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
Whois
Registration for this announcement
- Range
- 63.99.74.0/23
- Netname
- UU-63-99-74
- Registrant
- USP
- Organization
- USP (C00594771)
- Type
- Reassigned
- Handle
- NET-63-99-74-0-1
- Parent
- NET-63-64-0-0-1
- Created
- Apr 20, 2000
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 22, 1999
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Abuse
- Phone
- +1-800-900-0241
- Handle
- ABUSE5603-ARIN