Data as of Nov 3, 2026
63.76.66.0/23
No anonymizer space · no proxy exits in 30 daysEZE Castle Integration Inc. · reallocated from 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] |
| └ 63.76.66.0/23 | 512 | UU-63-76-66 | EZE Castle Integration Inc. (EZCI) · US | Reallocated | Jun 2, 2004 | — |
| └ 63.76.66.16/29 | 8 | ECIN-63-76-66-16 | unknown | — | — | — |
| └ 63.76.66.24/29 | 8 | ECIN-63-76-66-24 | unknown | — | — | — |
| └ 63.76.66.32/29 | 8 | ECIN-63-76-66-32 | unknown | — | — | — |
| └ 63.76.66.40/29 | 8 | ECIN-63-76-66-40 | unknown | — | — | — |
| └ 63.76.66.56/29 | 8 | ECIN-63-76-66-56 | unknown | — | — | — |
| └ 63.76.66.64/29 | 8 | ECIN-63-76-66-64 | unknown | — | — | — |
| └ 63.76.66.72/29 | 8 | ECIN-63-76-66-72 | unknown | — | — | — |
| └ 63.76.66.80/29 | 8 | EZCI-63-76-66-80 | unknown | — | — | — |
| └ 63.76.66.88/29 | 8 | EZCI-63-76-66-88 | unknown | — | — | — |
| └ 63.76.66.96/28 | 16 | ECINET-63-76-66-96--28 | unknown | — | — | — |
| └ 63.76.66.112/28 | 16 | ECIN-63-76-66-112 | unknown | — | — | — |
| └ 63.76.66.128/28 | 16 | ECIN-63-76-66-128 | unknown | — | — | — |
| └ 63.76.66.144/28 | 16 | ECIN-63-76-66-144 | unknown | — | — | — |
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
- Reallocated to
- EZE Castle Integration Inc. (EZCI)
- Reallocated range
- 63.76.66.0/23
- Reallocated
- Jun 2, 2004
Origin network
AS14717
US
- Name
- EZE Castle Integration Inc.
- Type
- Internet provider
- Registered
- Jan 31, 2000
- Domain
- eci.com
- Website
- www.eci.com/
- 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
- May 2005
- Current origin since
- May 2005 · 21 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 63.76.66.0/23
- Netname
- UU-63-76-66
- Registrant
- EZE Castle Integration Inc.
- Organization
- EZE Castle Integration Inc. (EZCI)
- Org address
- 100 High Street, Boston, MA, 02110
- Org country
- US
- Type
- Reallocated
- Handle
- NET-63-76-66-0-1
- Parent
- NET-63-64-0-0-1
- Created
- Jun 2, 2004
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 22, 1999
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- abuse
- Phone
- +1-800-900-0241
- Handle
- ABUSE3-ARIN