DNSRegistration lookup
THE INTERNET, ON RECORD

Domain, IP & ASN lookup.

Explore domains, TLDs, networks and the organizations behind them.

IPV4

45.173.43.255

Record found
Retrieved · 11 Oct 2026, 14:59 UTC1 sourceView JSON
BGP / routing →Reverse DNS →
Click a domain or IP to look it up.
01

Registry record

RDAPhttps://rdap.lacnic.net/rdap/ip/45.173.43.255
Record found
Record ID
45.173.40.0/22
Network name
45.173.40.0 - 45.173.43.255
Address range
45.173.40.0 — 45.173.43.255
CIDR blocks
45.173.40.0/22
Network type
ALLOCATED
Parent network
45.160.0.0/11
Registered
2019-03-19T14:05:43Z
Last changed
2019-03-19T14:05:43Z
Status
active
Notices & terms 2

Terms and Conditions

This is the LACNIC RDAP service. Objects are in RDAP format. https://www.lacnic.net/registration-data-access-protocol

remarks

Network: 45.173.40.0/22

Organizations & contacts

2
Organization / registrant
Black Net S.R.L
AR-BNSR2-LACNIC
Type
org
Address
Brown Coronel Suárez 7540 AR
Phone (voice)
+54 2926 422607

Registry · rdap.lacnic.net

Administrative · Technical · Abuse
Gaston Ducos
GAD21
Type
individual
Address
Brown Coronel Suarez 7540 AR
Phone (voice)
+54 2926 422607
Email
gaston.ducos@regarsuarez.com.ar
Lang
es

Registry · rdap.lacnic.net

Route / route6 records IRR

irr.lacnic.net:43

BGP observations →

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

Origin
AS7049
Source
LACNIC

LACNIC generated route for Black Net S.R.L

Routing object details
route: 45.173.40.0/22
descr: LACNIC generated route for Black Net S.R.L
origin: AS7049
remarks: LACNIC generated route for Black Net S.R.L
remarks: maxLength 24
remarks: ***************************************************
remarks: This object may have been modified
remarks: For more information, please query whois.lacnic.net
remarks: ***************************************************
mnt-by: MNT-AR-BNSR2-LACNIC
changed: 20260213
source: LACNIC
last-modified: 2026-09-26T21:00:09Z
Origin
AS22927
Source
LACNIC

LACNIC generated route for Black Net S.R.L

Routing object details
route: 45.173.40.0/22
descr: LACNIC generated route for Black Net S.R.L
origin: AS22927
remarks: LACNIC generated route for Black Net S.R.L
remarks: maxLength 24
remarks: ***************************************************
remarks: This object may have been modified
remarks: For more information, please query whois.lacnic.net
remarks: ***************************************************
mnt-by: MNT-AR-BNSR2-LACNIC
changed: 20260213
source: LACNIC
last-modified: 2026-09-26T21:00:09Z
Origin
AS52273
Source
LACNIC

LACNIC generated route for Black Net S.R.L

Routing object details
route: 45.173.40.0/22
descr: LACNIC generated route for Black Net S.R.L
origin: AS52273
remarks: LACNIC generated route for Black Net S.R.L
remarks: maxLength 24
remarks: ***************************************************
remarks: This object may have been modified
remarks: For more information, please query whois.lacnic.net
remarks: ***************************************************
mnt-by: MNT-AR-BNSR2-LACNIC
changed: 20250426
source: LACNIC
last-modified: 2026-09-26T21:00:09Z
Origin
AS264758
Source
LACNIC

LACNIC generated route for Black Net S.R.L

Routing object details
route: 45.173.40.0/22
descr: LACNIC generated route for Black Net S.R.L
origin: AS264758
remarks: LACNIC generated route for Black Net S.R.L
remarks: maxLength 24
remarks: ***************************************************
remarks: This object may have been modified
remarks: For more information, please query whois.lacnic.net
remarks: ***************************************************
mnt-by: MNT-AR-BNSR2-LACNIC
changed: 20250426
source: LACNIC
last-modified: 2026-09-26T21:00:09Z
Origin
AS265768
Source
LACNIC

LACNIC generated route for Black Net S.R.L

Routing object details
route: 45.173.40.0/22
descr: LACNIC generated route for Black Net S.R.L
origin: AS265768
remarks: LACNIC generated route for Black Net S.R.L
remarks: maxLength 24
remarks: ***************************************************
remarks: This object may have been modified
remarks: For more information, please query whois.lacnic.net
remarks: ***************************************************
mnt-by: MNT-AR-BNSR2-LACNIC
changed: 20250426
source: LACNIC
last-modified: 2026-09-26T21:00:09Z
Origin
AS267802
Source
LACNIC

LACNIC generated route for Black Net S.R.L

Routing object details
route: 45.173.40.0/22
descr: LACNIC generated route for Black Net S.R.L
origin: AS267802
remarks: LACNIC generated route for Black Net S.R.L
remarks: maxLength 24
remarks: ***************************************************
remarks: This object may have been modified
remarks: For more information, please query whois.lacnic.net
remarks: ***************************************************
mnt-by: MNT-AR-BNSR2-LACNIC
changed: 20250426
source: LACNIC
last-modified: 2026-09-26T21:00:09Z
Registry · RDAP Original response
https://rdap.lacnic.net/rdap/ip/45.173.43.255
{
    "rdapConformance": [
        "rdap_level_0",
        "cidr0",
        "lacnic_level_0"
    ],
    "notices": [
        {
            "title": "Terms and Conditions",
            "description": [
                "This is the LACNIC RDAP service. Objects are in RDAP format."
            ],
            "links": [
                {
                    "value": "https://www.lacnic.net/registration-data-access-protocol",
                    "rel": "terms-of-service",
                    "href": "https://www.lacnic.net/registration-data-access-protocol",
                    "type": "text/html"
                }
            ]
        }
    ],
    "remarks": [
        {
            "description": [
                "Network: 45.173.40.0/22"
            ],
            "title": "remarks"
        }
    ],
    "links": [
        {
            "value": "https://rdap.lacnic.net/rdap/ip/45.173.40.0/22",
            "rel": "self",
            "type": "application/rdap+json",
            "href": "https://rdap.lacnic.net/rdap/ip/45.173.40.0/22"
        },
        {
            "value": "https://rdap.lacnic.net/rdap/ip/45.173.40.0/22",
            "rel": "up",
            "type": "application/rdap+json",
            "href": "https://rdap.lacnic.net/rdap/ip/45.160.0.0/11"
        }
    ],
    "events": [
        {
            "eventAction": "registration",
            "eventDate": "2019-03-19T14:05:43Z"
        },
        {
            "eventAction": "last changed",
            "eventDate": "2019-03-19T14:05:43Z"
        }
    ],
    "objectClassName": "ip network",
    "handle": "45.173.40.0/22",
    "parentHandle": "45.160.0.0/11",
    "startAddress": "45.173.40.0",
    "endAddress": "45.173.43.255",
    "ipVersion": "v4",
    "name": "45.173.40.0 - 45.173.43.255",
    "type": "ALLOCATED",
    "status": [
        "active"
    ],
    "entities": [
        {
            "objectClassName": "entity",
            "handle": "AR-BNSR2-LACNIC",
            "roles": [
                "registrant"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Black Net S.R.L"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "org"
                    ],
                    [
                        "adr",
                        {
                            "label": "Brown\nCoronel Suárez\n7540\nAR"
                        },
                        "text",
                        [
                            "",
                            "",
                            "Brown",
                            "Coronel Suárez",
                            "",
                            "7540",
                            "AR"
                        ]
                    ],
                    [
                        "tel",
                        {
                            "type": "voice"
                        },
                        "text",
                        "+54 2926 422607"
                    ]
                ]
            ],
            "events": [
                {
                    "eventAction": "registration",
                    "eventDate": "2019-02-08T14:00:08Z"
                },
                {
                    "eventAction": "last changed",
                    "eventDate": "2024-09-02T23:15:22Z"
                }
            ],
            "links": [
                {
                    "value": "https://rdap.lacnic.net/rdap/entity/AR-BNSR2-LACNIC",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "href": "https://rdap.lacnic.net/rdap/entity/AR-BNSR2-LACNIC"
                }
            ]
        },
        {
            "objectClassName": "entity",
            "handle": "GAD21",
            "roles": [
                "administrative",
                "technical",
                "abuse"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Gaston Ducos"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "individual"
                    ],
                    [
                        "adr",
                        {
                            "label": "Brown\nCoronel Suarez\n7540\nAR"
                        },
                        "text",
                        [
                            "",
                            "",
                            "Brown",
                            "Coronel Suarez",
                            "",
                            "7540",
                            "AR"
                        ]
                    ],
                    [
                        "tel",
                        {
                            "type": "voice"
                        },
                        "text",
                        "+54 2926 422607"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "gaston.ducos@regarsuarez.com.ar"
                    ],
                    [
                        "lang",
                        [],
                        "language-tag",
                        "es"
                    ]
                ]
            ],
            "events": [
                {
                    "eventAction": "registration",
                    "eventDate": "2016-10-18T09:12:24Z"
                },
                {
                    "eventAction": "last changed",
                    "eventDate": "2021-10-06T15:58:23Z"
                }
            ],
            "links": [
                {
                    "value": "https://rdap.lacnic.net/rdap/entity/GAD21",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "href": "https://rdap.lacnic.net/rdap/entity/GAD21"
                }
            ]
        }
    ],
    "lacnic_originAutnum": [
        "AS264758",
        "AS22927",
        "AS52273",
        "AS7049",
        "AS265768",
        "AS267802"
    ],
    "lacnic_legalRepresentative": "Gastón Ducos",
    "lacnic_reverseDelegations": [
        {
            "startAddress": "45.173.40.0",
            "endAddress": "45.173.43.255",
            "nameservers": [
                {
                    "objectClassName": "nameserver",
                    "ldhName": "NS1.FASTNET.COM.AR.",
                    "events": [
                        {
                            "eventAction": "delegation check",
                            "eventDate": "2026-10-08T07:17:32Z",
                            "status": [
                                "20261008 AA"
                            ]
                        },
                        {
                            "eventAction": "last correct delegation check",
                            "eventDate": "2026-10-08T07:17:32Z"
                        }
                    ]
                },
                {
                    "objectClassName": "nameserver",
                    "ldhName": "NS2.FASTNET.COM.AR.",
                    "events": [
                        {
                            "eventAction": "delegation check",
                            "eventDate": "2026-10-08T07:17:32Z",
                            "status": [
                                "20261008 AA"
                            ]
                        },
                        {
                            "eventAction": "last correct delegation check",
                            "eventDate": "2026-10-08T07:17:32Z"
                        }
                    ]
                }
            ],
            "secureDNS": {
                "zoneSigned": false,
                "delegationSigned": false,
                "dsData": []
            }
        }
    ],
    "cidr0_cidrs": [
        {
            "v4prefix": "45.173.40.0",
            "length": 22
        }
    ],
    "port43": "whois.lacnic.net"
}