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IPV4

63.76.66.0/23

Record found
Retrieved · 04 Oct 2026, 19:54 UTC1 sourceView JSON
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01

Registry record

RDAPhttps://rdap.arin.net/registry/ip/63.76.66.0/23
Record found
Record ID
NET-63-76-66-0-1
Network name
UU-63-76-66
Address range
63.76.66.0 — 63.76.67.255
CIDR blocks
63.76.66.0/23
Network type
ALLOCATION
Parent network
NET-63-64-0-0-1
Last changed
2004-06-02T16:53:08-04:00
Registered
2004-06-02T16:53:08-04:00
Status
active
Notices & terms 4

Terms of Service

By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use https://www.arin.net/resources/registry/whois/tou/

Whois Inaccuracy Reporting

If you see inaccuracies in the results, please visit: https://www.arin.net/resources/registry/whois/inaccuracy_reporting/

Copyright Notice

Copyright 1997-2026, American Registry for Internet Numbers, Ltd.

Registration Comments

Addresses within this block are non-portable.

Organizations & contacts

4
Organization / registrant
EZE Castle Integration Inc.
EZCI
Address
100 High Street 16th Floor Boston MA 02110 United States
Type
org

Registry · rdap.arin.net

Administrative
William Tan
WT27-ARIN
Address
55 Court St Suite 520 Boston MA 02108 United States
Name
Tan William
Type
individual
Email
wtan@eci.com
Phone (work, voice)
+1-617-217-3006
Fax
+1-617-217-3001
Unvalidated POC
ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2023-01-18

Registry · rdap.arin.net

Technical · Abuse · Noc
ECINet Network Operations Center
ENOC23-ARIN
Address
529 Fifth Avenue, 7th Floor New York NY 10017 United States
Organization
Eze Castle Integration, Inc.
Type
group
Email
noc@eci.com
Phone (work, voice)
+1-212-954-0660
Registration Comments
https://www.eci.com/support/

Registry · rdap.arin.net

Technical
Michael Abbey
MAB27-ARIN
Address
529 Fifth Avenue 7th Floor New York NY 10017 United States
Name
Abbey Michael
Type
individual
Email
mabbey@eci.com
Phone (work, voice)
+1-212-954-0622

Registry · rdap.arin.net

Route / route6 records IRR

rr.arin.net:43

BGP observations →

Exact and covering objects from ARIN. These are registered routing policies; they do not confirm a live announcement.

Origin
AS701
Source
ARIN

MCI Communications Services, LLC d/b/a Verizon Business

Routing object details
route: 63.64.0.0/12
descr: MCI Communications Services, LLC d/b/a Verizon Business
origin: AS701
notify: stephen.r.middleton@verizon.com
mnt-by: MNT-MCICS
changed: MCICS@verizon.com 20211110
source: ARIN
Registry · RDAP Original response
https://rdap.arin.net/registry/ip/63.76.66.0/23
{
    "arin_originas0_originautnums": [],
    "cidr0_cidrs": [
        {
            "v4prefix": "63.76.66.0",
            "length": 23
        }
    ],
    "endAddress": "63.76.67.255",
    "entities": [
        {
            "entities": [
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2025-11-08T09:11:04-05:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2022-06-16T14:10:56-04:00"
                        }
                    ],
                    "handle": "ENOC23-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/ENOC23-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/ip/63.76.66.0/23"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/ENOC23-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/ip/63.76.66.0/23"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "remarks": [
                        {
                            "description": [
                                "https://www.eci.com/support/"
                            ],
                            "title": "Registration Comments"
                        }
                    ],
                    "roles": [
                        "technical",
                        "abuse",
                        "noc"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "529 Fifth Avenue, 7th Floor\nNew York\nNY\n10017\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "ECINet Network Operations Center"
                            ],
                            [
                                "org",
                                [],
                                "text",
                                "Eze Castle Integration, Inc."
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "group"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "noc@eci.com"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-212-954-0660"
                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2022-01-18T13:00:03-05:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "1998-09-28T22:24:02-04:00"
                        }
                    ],
                    "handle": "WT27-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/WT27-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/ip/63.76.66.0/23"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/WT27-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/ip/63.76.66.0/23"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "remarks": [
                        {
                            "description": [
                                "ARIN has attempted to validate the data for this POC, but has received no response from the POC since 2023-01-18"
                            ],
                            "title": "Unvalidated POC"
                        }
                    ],
                    "roles": [
                        "administrative"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "55 Court St\nSuite 520\nBoston\nMA\n02108\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "William Tan"
                            ],
                            [
                                "n",
                                [],
                                "text",
                                [
                                    "Tan",
                                    "William",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "individual"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "wtan@eci.com"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-617-217-3006"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "fax"
                                    ]
                                },
                                "text",
                                "+1-617-217-3001"
                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2025-11-08T09:11:25-05:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2004-03-11T17:15:15-05:00"
                        }
                    ],
                    "handle": "MAB27-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/MAB27-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/ip/63.76.66.0/23"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/MAB27-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/ip/63.76.66.0/23"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
                        "technical"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "529 Fifth Avenue\n7th Floor\nNew York\nNY\n10017\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Michael Abbey"
                            ],
                            [
                                "n",
                                [],
                                "text",
                                [
                                    "Abbey",
                                    "Michael",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "individual"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "mabbey@eci.com"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-212-954-0622"
                            ]
                        ]
                    ]
                }
            ],
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2024-11-25T11:09:46-05:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "2000-01-31T00:00:00-05:00"
                }
            ],
            "handle": "EZCI",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/EZCI",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/ip/63.76.66.0/23"
                },
                {
                    "href": "https://whois.arin.net/rest/org/EZCI",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/ip/63.76.66.0/23"
                }
            ],
            "objectClassName": "entity",
            "port43": "whois.arin.net",
            "roles": [
                "registrant"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "EZE Castle Integration Inc."
                    ],
                    [
                        "adr",
                        {
                            "label": "100 High Street\n16th Floor\nBoston\nMA\n02110\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "org"
                    ]
                ]
            ]
        }
    ],
    "events": [
        {
            "eventAction": "last changed",
            "eventDate": "2004-06-02T16:53:08-04:00"
        },
        {
            "eventAction": "registration",
            "eventDate": "2004-06-02T16:53:08-04:00"
        }
    ],
    "handle": "NET-63-76-66-0-1",
    "ipVersion": "v4",
    "links": [
        {
            "href": "https://rdap.arin.net/registry/ip/63.76.66.0",
            "rel": "self",
            "type": "application/rdap+json",
            "value": "https://rdap.arin.net/registry/ip/63.76.66.0/23"
        },
        {
            "href": "https://whois.arin.net/rest/net/NET-63-76-66-0-1",
            "rel": "alternate",
            "type": "application/xml",
            "value": "https://rdap.arin.net/registry/ip/63.76.66.0/23"
        },
        {
            "href": "https://rdap.arin.net/registry/ip/63.64.0.0/10",
            "rel": "up",
            "type": "application/rdap+json",
            "value": "https://rdap.arin.net/registry/ip/63.76.66.0/23"
        }
    ],
    "name": "UU-63-76-66",
    "notices": [
        {
            "description": [
                "By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use"
            ],
            "links": [
                {
                    "href": "https://www.arin.net/resources/registry/whois/tou/",
                    "rel": "terms-of-service",
                    "type": "text/html",
                    "value": "https://rdap.arin.net/registry/ip/63.76.66.0/23"
                }
            ],
            "title": "Terms of Service"
        },
        {
            "description": [
                "If you see inaccuracies in the results, please visit: "
            ],
            "links": [
                {
                    "href": "https://www.arin.net/resources/registry/whois/inaccuracy_reporting/",
                    "rel": "inaccuracy-report",
                    "type": "text/html",
                    "value": "https://rdap.arin.net/registry/ip/63.76.66.0/23"
                }
            ],
            "title": "Whois Inaccuracy Reporting"
        },
        {
            "description": [
                "Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
            ],
            "title": "Copyright Notice"
        }
    ],
    "objectClassName": "ip network",
    "parentHandle": "NET-63-64-0-0-1",
    "port43": "whois.arin.net",
    "rdapConformance": [
        "nro_rdap_profile_0",
        "rdap_level_0",
        "cidr0",
        "arin_originas0"
    ],
    "remarks": [
        {
            "description": [
                "Addresses within this block are non-portable."
            ],
            "title": "Registration Comments"
        }
    ],
    "startAddress": "63.76.66.0",
    "status": [
        "active"
    ],
    "type": "ALLOCATION"
}