CIDR Details

51.91.0.0/16

AS16276OVH SAS

Summary

ASNAS16276
Registration Date2019-04-08
Last Changed Date2019-04-08
Abuse Email[email protected]
Hosted IPs65536
IP AddressRDAPHosted IPName ServerMail Server

IP Address

CIDR is a method for assigning IP addresses and defining IP address ranges more flexibly than the older class-based addressing methods. It allows network administrators to allocate IP addresses in smaller, more efficient blocks, which reduces address wastage. Below is a comprehensive list of all IP addresses within the CIDR block 51.91.0.0/16.

RDAP

RDAP stands for Registration Data Access Protocol. It is a protocol used to access and retrieve registration data for internet resources such as domain names, IP addresses, and autonomous system numbers. RDAP has several advantages over the WHOIS protocol, including support for internationalization, secure access to data, and the ability to provide differentiated access to registration data. Here is the RDAP raw data for 51.91.0.0/16.

Summary

CountryFR
NameSD-10G-GRA-gra2-22A-B-n56
Registration Date2019-04-08
Last Changed Date2019-04-08
Abuse EMAIL[email protected]

Raw data

1{
2        "handle": "51.91.0.0 - 51.91.3.255",
3        "startAddress": "51.91.0.0",
4        "endAddress": "51.91.3.255",
5        "ipVersion": "v4",
6        "name": "SD-10G-GRA-gra2-22A-B-n56",
7        "type": "LEGACY",
8        "country": "FR",
9        "parentHandle": "51.91.0.0 - 51.91.255.255",
10        "cidr0_cidrs": [
11                {
12                        "v4prefix": "51.91.0.0",
13                        "length": 22
14                }
15        ],
16        "status": [
17                "active"
18        ],
19        "entities": [
20                {
21                        "handle": "ORG-OS3-RIPE",
22                        "roles": [
23                                "registrant"
24                        ],
25                        "objectClassName": "entity"
26                },
27                {
28                        "handle": "OTC2-RIPE",
29                        "roles": [
30                                "technical",
31                                "administrative"
32                        ],
33                        "objectClassName": "entity"
34                },
35                {
36                        "handle": "OVH-MNT",
37                        "roles": [
38                                "registrant"
39                        ],
40                        "objectClassName": "entity"
41                },
42                {
43                        "handle": "AR15333-RIPE",
44                        "vcardArray": [
45                                "vcard",
46                                [
47                                        [
48                                                "version",
49                                                {},
50                                                "text",
51                                                "4.0"
52                                        ],
53                                        [
54                                                "fn",
55                                                {},
56                                                "text",
57                                                "Abuse-C Role"
58                                        ],
59                                        [
60                                                "kind",
61                                                {},
62                                                "text",
63                                                "group"
64                                        ],
65                                        [
66                                                "adr",
67                                                {
68                                                        "label": "OVH SAS\n2 Rue Kellermann\n59100 ROUBAIX\nFRANCE"
69                                                },
70                                                "text",
71                                                [
72                                                        "",
73                                                        "",
74                                                        "",
75                                                        "",
76                                                        "",
77                                                        "",
78                                                        ""
79                                                ]
80                                        ],
81                                        [
82                                                "email",
83                                                {
84                                                        "type": "email"
85                                                },
86                                                "text",
87                                                "[email protected]"
88                                        ],
89                                        [
90                                                "email",
91                                                {
92                                                        "type": "abuse"
93                                                },
94                                                "text",
95                                                "[email protected]"
96                                        ]
97                                ]
98                        ],
99                        "roles": [
100                                "abuse"
101                        ],
102                        "entities": [
103                                {
104                                        "handle": "OVH-MNT",
105                                        "roles": [
106                                                "registrant"
107                                        ],
108                                        "objectClassName": "entity"
109                                }
110                        ],
111                        "objectClassName": "entity"
112                }
113        ],
114        "links": [
115                {
116                        "value": "https://rdap.db.ripe.net/ip/51.91.0.0",
117                        "rel": "self",
118                        "href": "https://rdap.db.ripe.net/ip/51.91.0.0"
119                },
120                {
121                        "value": "http://www.ripe.net/data-tools/support/documentation/terms",
122                        "rel": "copyright",
123                        "href": "http://www.ripe.net/data-tools/support/documentation/terms"
124                }
125        ],
126        "events": [
127                {
128                        "eventAction": "registration",
129                        "eventDate": "2019-04-08T13:05:22Z"
130                },
131                {
132                        "eventAction": "last changed",
133                        "eventDate": "2019-04-08T13:05:22Z"
134                }
135        ],
136        "rdapConformance": [
137                "cidr0",
138                "rdap_level_0",
139                "nro_rdap_profile_0"
140        ],
141        "notices": [
142                {
143                        "title": "Filtered",
144                        "description": [
145                                "This output has been filtered."
146                        ]
147                },
148                {
149                        "title": "Whois Inaccuracy Reporting",
150                        "description": [
151                                "If you see inaccuracies in the results, please visit:"
152                        ],
153                        "links": [
154                                {
155                                        "value": "https://rdap.db.ripe.net/ip/51.91.0.0",
156                                        "rel": "inaccuracy-report",
157                                        "href": "https://www.ripe.net/contact-form?topic=ripe_dbm&show_form=true",
158                                        "type": "text/html"
159                                }
160                        ]
161                },
162                {
163                        "title": "Source",
164                        "description": [
165                                "Objects returned came from source",
166                                "RIPE"
167                        ]
168                },
169                {
170                        "title": "Terms and Conditions",
171                        "description": [
172                                "This is the RIPE Database query service. The objects are in RDAP format."
173                        ],
174                        "links": [
175                                {
176                                        "value": "https://rdap.db.ripe.net/ip/51.91.0.0",
177                                        "rel": "terms-of-service",
178                                        "href": "http://www.ripe.net/db/support/db-terms-conditions.pdf",
179                                        "type": "application/pdf"
180                                }
181                        ]
182                }
183        ],
184        "port43": "whois.ripe.net",
185        "objectClassName": "ip network"
186}

Hosted IP

Below is a comprehensive list of all IP details for the CIDR block 51.91.0.0/16, including the count of domains, nameservers, and mailservers associated with it.

Name Server

A name server, also known as a DNS (Domain Name System) server, is a fundamental component of the internet infrastructure that helps translate human-readable domain names into their corresponding numerical IP addresses. Here are the name servers hosted on all IP addresses within the CIDR range 51.91.0.0/16.

Mail Server

Mail server, also known as a mail exchange server (MX server), is a specific type of server responsible for handling incoming and outgoing email messages in the Domain Name System (DNS) infrastructure. Here are the mail servers hosted on all IP addresses within the CIDR range 51.91.0.0/16.

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FAQ

What is the netmask for 51.91.0.0/16?

The netmask for CIDR 51.91.0.0/16 is 255.255.0.0. This defines the number of available IP addresses in the CIDR range

What are the network start and end addresses in CIDR 51.91.0.0/16?

The network start address in CIDR 51.91.0.0/16 is 51.91.0.0 and the end address is 51.91.255.255

What is the ASN of 51.91.0.0/16?

The ASN of 51.91.0.0/16 is 16276