Data as of Nov 3, 2026
63.78.244.0/22
No anonymizer space · no proxy exits in 30 daysMicroCerv · space held by Verizon Business
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 63.64.0.0/12 | AS701 | Internet provider | 323 44 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] |
| └ 63.78.244.0/22 | 1,024 | UU-63-78-244 | MicroCerv (C06260373) · US | Reassigned | Nov 17, 2016 | [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
AS23219
US
- Name
- MicroCerv
- Registered
- Feb 8, 2002
- 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
- Jul 2005 · 21 yr
- Origin networks
- 2
- Last change of origin
- Jul 2005
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 63.78.244.0/22
- Netname
- UU-63-78-244
- Registrant
- MicroCerv
- Organization
- MicroCerv (C06260373)
- Type
- Reassigned
- Handle
- NET-63-78-244-0-1
- Parent
- NET-63-64-0-0-1
- Created
- Nov 17, 2016
- 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