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AS4900
ASN1 - Montgomery County Hospital District Announcing routesAS nameASN1
OrganisationMontgomery County Hospital District
Registry (RIR)ARIN
HandleAS4900
RangeAS4900
Registered25 Sep 2009
Last changed06 Oct 2026
2IPv4 prefixes
0IPv6 prefixes
4Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS6300 | CCI-TEXAS - Fidium | 128 |
| AS394437 | PSLIGHTWAVE - PS Lightwave | 101 |
| AS7018 | ATT-INTERNET4 - AT&T Enterprises, LLC | 42 |
| AS35847 | AS-EFTL - Ezee Fiber | 15 |
Downstreams
None seen.
IPv4 prefixes (2)
RPKI-validate all prefixes of AS4900
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | Montgomery County Hospital District | MONTG-46 | 1400 S Loop 336 W, Conroe, TX, 77304, United States | |
| technical | Seth D Montgomery | SDM31-ARIN | [email protected], +1-281-364-0539 | 780 Westridge Road, The Woodlands, TX, 77380, United States |
| administrative, technical, abuse | IT DEPT | ITDEP76-ARIN | [email protected], [email protected], +1-936-523-1120 | 1400 S Loop 336 W, Conroe, TX, 77304, United States |
| technical | James Krause | KRAUS195-ARIN | [email protected], +1-281-364-0539 | 780 Westridge Rd., Spring, TX, 77380, United States |
Raw registry response
{
"endAutnum": 4900,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-02-04T07:13:38-05:00"
},
{
"eventAction": "registration",
"eventDate": "2008-02-07T13:42:54-05:00"
}
],
"handle": "SDM31-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/SDM31-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/4900"
},
{
"href": "https://whois.arin.net/rest/poc/SDM31-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/4900"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "780 Westridge Road\nThe Woodlands\nTX\n77380\nUnited States"
},
"text",
[
"",
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""
]
],
[
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"text",
"Seth D Montgomery"
],
[
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]
],
[
"kind",
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],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-281-364-0539"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-07-30T10:26:26-04:00"
},
{
"eventAction": "registration",
"eventDate": "2009-09-17T00:18:03-04:00"
}
],
"handle": "ITDEP76-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ITDEP76-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/4900"
},
{
"href": "https://whois.arin.net/rest/poc/ITDEP76-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/4900"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative",
"technical",
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1400 S Loop 336 W\nConroe\nTX\n77304\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"IT DEPT"
],
[
"org",
[],
"text",
"Montgomery County Hospital District"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-936-523-1120"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-02-10T14:30:32-05:00"
},
{
"eventAction": "registration",
"eventDate": "2025-02-10T14:30:32-05:00"
}
],
"handle": "KRAUS195-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/KRAUS195-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/4900"
},
{
"href": "https://whois.arin.net/rest/poc/KRAUS195-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/4900"
}
],
"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 2026-02-10"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "780 Westridge Rd.\nSpring\nTX\n77380\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"James Krause"
],
[
"n",
[],
"text",
[
"Krause",
"James",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-281-364-0539"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-07-15T18:05:38-04:00"
},
{
"eventAction": "registration",
"eventDate": "2009-09-21T18:30:33-04:00"
}
],
"handle": "MONTG-46",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MONTG-46",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/4900"
},
{
"href": "https://whois.arin.net/rest/org/MONTG-46",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/4900"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Montgomery County Hospital District"
],
[
"adr",
{
"label": "1400 S Loop 336 W\nConroe\nTX\n77304\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-10-05T16:20:31-04:00"
},
{
"eventAction": "registration",
"eventDate": "2009-09-24T15:57:08-04:00"
}
],
"handle": "AS4900",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/4900",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/4900"
},
{
"href": "https://whois.arin.net/rest/asn/AS4900",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/4900"
}
],
"name": "ASN1",
"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/4900"
}
],
"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/4900"
}
],
"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"
],
"remarks": [
{
"description": [
"packetvis_com_a2ec4949"
],
"title": "Registration Comments"
}
],
"startAutnum": 4900,
"status": [
"active"
]
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