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AS WHOIS

Look up an Autonomous System — holder, registry, contacts, announced IPv4/IPv6 prefixes, upstreams and downstreams.

Your public IP address216.73.216.24 IPv4

AS31756

COLORADOSPRINGS-GOV - City of Colorado Springs Announcing routes
AS nameCOLORADOSPRINGS-GOV
OrganisationCity of Colorado Springs
Registry (RIR)ARIN
HandleAS31756
RangeAS31756
Registered02 Mar 2011
Last changed02 Mar 2012
1IPv4 prefixes
0IPv6 prefixes
1Upstreams
0Downstreams

Upstreams

ASNetwork nameVisibility
AS15221STRATUSIQ - StratusIQ270

Downstreams

None seen.

IPv4 prefixes (1)

RPKI-validate all prefixes of AS31756

Contacts

RoleNameHandleEmail / phoneAddress
registrantCity of Colorado SpringsCCS-29Office of Information Technology, 121 S Tejon St, Suite 300, Colorado Springs, CO, 80903, United States
noc, routing, dns, abuse, technical, administrativeChristopher W PorterCWP5-ARIN[email protected], +1-719-385-710530 S. Nevada Ave, Colorado Springs, CO, 80903, United States
routing, dns, technical, abuse, nocJeff RudykRUDYK-ARIN[email protected], +1-719-385-5721121 S Tejon St, Suite 300, Colorado Springs, CO, 80903, United States
abuse, dns, technical, routing, nocTravis Travis BakerTTB2-ARIN[email protected], +1-719-385-5707121 S. Tejon st, Suite 300, Colorado Springs, CO, 80903, United States
technical, noc, abuseOffice of Information TechnologyOIT1-ARIN[email protected], [email protected], +1-719-385-5767, +1-719-444-7658Office of Information Technology , 30 S. Nevada Suite 701, Colorado Springs, CO, 80903, United States
Raw registry response
{
    "endAutnum": 31756,
    "entities": [
        {
            "entities": [
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2025-12-03T09:37:18-05:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2024-12-03T12:58:35-05:00"
                        }
                    ],
                    "handle": "CWP5-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/CWP5-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/31756"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/CWP5-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/31756"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
                        "noc",
                        "routing",
                        "dns",
                        "abuse",
                        "technical",
                        "administrative"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "30 S. Nevada Ave\nColorado Springs\nCO\n80903\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Christopher W Porter"
                            ],
                            [
                                "n",
                                [],
                                "text",
                                [
                                    "Porter",
                                    "Christopher",
                                    "W",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "individual"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-719-385-7105"
                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2025-05-06T09:46:16-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2021-03-19T10:42:15-04:00"
                        }
                    ],
                    "handle": "RUDYK-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/RUDYK-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/31756"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/RUDYK-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/31756"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
                        "routing",
                        "dns",
                        "technical",
                        "abuse",
                        "noc"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "121 S Tejon St, Suite 300\nColorado Springs\nCO\n80903\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Jeff Rudyk"
                            ],
                            [
                                "n",
                                [],
                                "text",
                                [
                                    "Rudyk",
                                    "Jeff",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "individual"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-719-385-5721"
                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2024-07-29T12:09:36-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2021-10-06T16:07:39-04:00"
                        }
                    ],
                    "handle": "TTB2-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/TTB2-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/31756"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/TTB2-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/31756"
                        }
                    ],
                    "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 2025-07-29"
                            ],
                            "title": "Unvalidated POC"
                        }
                    ],
                    "roles": [
                        "abuse",
                        "dns",
                        "technical",
                        "routing",
                        "noc"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "121 S. Tejon st\nSuite 300\nColorado Springs\nCO\n80903\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Travis Travis Baker"
                            ],
                            [
                                "n",
                                [],
                                "text",
                                [
                                    "Baker",
                                    "Travis",
                                    "Travis",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "individual"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-719-385-5707"
                            ]
                        ]
                    ]
                }
            ],
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2025-03-03T10:34:02-05:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "1992-02-28T00:00:00-05:00"
                }
            ],
            "handle": "CCS-29",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/CCS-29",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/autnum/31756"
                },
                {
                    "href": "https://whois.arin.net/rest/org/CCS-29",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/autnum/31756"
                }
            ],
            "objectClassName": "entity",
            "port43": "whois.arin.net",
            "roles": [
                "registrant"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "City of Colorado Springs"
                    ],
                    [
                        "adr",
                        {
                            "label": "Office of Information Technology\n121 S Tejon St, Suite 300\nColorado Springs\nCO\n80903\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "org"
                    ]
                ]
            ]
        },
        {
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2013-01-24T18:56:18-05:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "2009-04-06T14:28:16-04:00"
                }
            ],
            "handle": "OIT1-ARIN",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/OIT1-ARIN",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/autnum/31756"
                },
                {
                    "href": "https://whois.arin.net/rest/poc/OIT1-ARIN",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/autnum/31756"
                }
            ],
            "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 2014-01-24"
                    ],
                    "title": "Unvalidated POC"
                }
            ],
            "roles": [
                "technical",
                "noc",
                "abuse"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "adr",
                        {
                            "label": "Office of Information Technology\r\n30 S. Nevada Suite 701\nColorado Springs\nCO\n80903\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Office of Information Technology"
                    ],
                    [
                        "org",
                        [],
                        "text",
                        "City of Colorado Springs"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "group"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "[email protected]"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "[email protected]"
                    ],
                    [
                        "tel",
                        {
                            "type": [
                                "work",
                                "voice"
                            ]
                        },
                        "text",
                        "+1-719-385-5767"
                    ],
                    [
                        "tel",
                        {
                            "type": [
                                "work",
                                "voice"
                            ]
                        },
                        "text",
                        "+1-719-444-7658"
                    ]
                ]
            ]
        }
    ],
    "events": [
        {
            "eventAction": "last changed",
            "eventDate": "2012-03-02T08:03:18-05:00"
        },
        {
            "eventAction": "registration",
            "eventDate": "2011-03-01T14:59:14-05:00"
        }
    ],
    "handle": "AS31756",
    "links": [
        {
            "href": "https://rdap.arin.net/registry/autnum/31756",
            "rel": "self",
            "type": "application/rdap+json",
            "value": "https://rdap.arin.net/registry/autnum/31756"
        },
        {
            "href": "https://whois.arin.net/rest/asn/AS31756",
            "rel": "alternate",
            "type": "application/xml",
            "value": "https://rdap.arin.net/registry/autnum/31756"
        }
    ],
    "name": "COLORADOSPRINGS-GOV",
    "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/autnum/31756"
                }
            ],
            "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/autnum/31756"
                }
            ],
            "title": "Whois Inaccuracy Reporting"
        },
        {
            "description": [
                "Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
            ],
            "title": "Copyright Notice"
        }
    ],
    "objectClassName": "autnum",
    "port43": "whois.arin.net",
    "rdapConformance": [
        "nro_rdap_profile_0",
        "rdap_level_0",
        "nro_rdap_profile_asn_flat_0"
    ],
    "startAutnum": 31756,
    "status": [
        "active"
    ]
}

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