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IPV4

81.2.128.0/18

Record found
Retrieved · 21 Sep 2026, 23:44 UTC1 sourceView JSON
Click a domain or IP to look it up.
01

Registry record

RDAPhttps://rdap.db.ripe.net/ip/81.2.128.0/18
Record found
Network name
US-COGENT-20020315
Address range
81.2.128.081.2.191.255
CIDR blocks
81.2.128.0/18
Network type
ALLOCATED PA
Parent network
0.0.0.0 - 255.255.255.255
Country in registry
DE
Registered
2002-03-15T13:06:36Z
Last changed
2024-10-25T13:19:53Z
Status
active
Notices & terms 4

Filtered

This output has been filtered.

Whois Inaccuracy Reporting

If you see inaccuracies in the results, please visit: https://www.ripe.net/contact-form?topic=ripe_dbm&show_form=true

Source

Objects returned came from source RIPE

Terms and Conditions

This is the RIPE Database query service. The objects are in RDAP format. http://www.ripe.net/db/support/db-terms-conditions.pdf

Organizations & contacts

4
Organization / registrant
Cogent Communications Group LLC
ORG-GATI1-RIPE
Type
org
Address
Lyoner Str. 15 60528 Frankfurt GERMANY
Phone (voice)
+17036577906
Fax
+496929989666
Fax
+13023402514

Registry · rdap.db.ripe.net

Administrative · Technical · Abuse
Cogent Communications Hostmaster
CGNT-RIPE
Type
group
Address
Cogent Communications, Inc. 2450 N Street NW Washington, DC 20037 USA
Phone (voice)
+1 703 657 7906
Email (abuse)
abuse@cogentco.com

Registry · rdap.db.ripe.net

Maintainers COGENT-ROOT-MNT · RIPE-NCC-HM-MNT

Route / route6 records IRR

whois.ripe.net:43

BGP observations →

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

The routing registry returned a response that could not be interpreted. Registration data remains available.

Registry · RDAP Original response
https://rdap.db.ripe.net/ip/81.2.128.0/18
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                {
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            "type": "application/rdap+json"
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        {
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            "rel": "self",
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            "type": "application/rdap+json"
        },
        {
            "value": "http://www.ripe.net/data-tools/support/documentation/terms",
            "rel": "copyright",
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        }
    ],
    "events": [
        {
            "eventAction": "registration",
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    ],
    "notices": [
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            "description": [
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            ]
        },
        {
            "title": "Whois Inaccuracy Reporting",
            "description": [
                "If you see inaccuracies in the results, please visit:"
            ],
            "links": [
                {
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                    "type": "text/html"
                }
            ]
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        {
            "title": "Source",
            "description": [
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                "RIPE"
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        },
        {
            "title": "Terms and Conditions",
            "description": [
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            ],
            "links": [
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