Free network tools
AS WHOIS
Look up an Autonomous System — holder, registry, contacts, announced IPv4/IPv6 prefixes, upstreams and downstreams.
Network Report (All-in-one) BGP Looking Glass BGP Security Check RPKI Validator BGP Hijack & Leak Monitor ASN Intelligence Internet Outages & Anomalies Country Internet Report Domain Insights IP WHOIS AS WHOIS
AS36086
TELX-LEGACY - Telx Announcing routesAS nameTELX-LEGACY
OrganisationTelx
Registry (RIR)ARIN
HandleAS36086
RangeAS36086
Registered26 Aug 2005
Last changed24 Feb 2012
140IPv4 prefixes
16IPv6 prefixes
20Upstreams
53Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS1299 | TWELVE99 Arelion Sweden AB | 3582 |
| AS174 | COGENT-174 - Cogent Communications, LLC | 2379 |
| AS3356 | LEVEL3 - Level 3 Parent, LLC | 1297 |
| AS6461 | ZAYO-6461 - Zayo Bandwidth | 996 |
| AS6939 | HURRICANE - Hurricane Electric LLC | 637 |
| AS1828 | UNITAS - Unitas Global | 409 |
| AS27552 | TWDX - TowardEX Technologies International, Inc. | 302 |
| AS13335 | CLOUDFLARENET - Cloudflare, Inc. | 236 |
| AS25091 | IP-Max IP-Max SA | 98 |
| AS33891 | CORE-BACKBONE Core-Backbone GmbH | 51 |
| AS13786 | SEABORN - Seabras 1 USA, LLC | 33 |
| AS41327 | FIBERTELECOM-AS Fiber Telecom S.p.A. | 33 |
| AS9002 | RETN-AS RETN Limited | 23 |
| AS4230 | AS4230 - CLARO S.A. | 20 |
| AS7195 | AS7195 - EDGEUNO S.A.S | 14 |
Downstreams
| AS | Network name | Visibility |
|---|---|---|
| AS27208 | DISCOVERY-ENERGY-LLC-01 - Discovery Energy, LLC | 380 |
| AS1631 | AS1631 - Radnet Management, Inc. | 323 |
| AS19901 | BRIGHTSPEED - Brightspeed | 314 |
| AS36563 | TELX-DALLAS - Telx | 313 |
| AS22980 | APOGEE-TELECOM-RESERVED - Apogee Telecom Inc. | 230 |
| AS202597 | nayax NAYAX LTD | 228 |
| AS46806 | BNU-1-46806 - BlueCat Networks (USA) Inc. | 228 |
| AS6498 | INTRADO-CORP - West Technology Group, LLC | 228 |
| AS29996 | APORTER - Arnold & Porter Kaye Scholer LLP | 227 |
| AS36272 | ZBIDR - Ziff Brothers Investments, LLC | 227 |
| AS56748 | AS-HQCAPITAL ciden GmbH | 227 |
| AS62634 | NGP-TELENETWORKS - NGP Telenetworks, Inc. | 227 |
| AS13821 | ACML - AllianceBernstein L.P. | 226 |
| AS27461 | POMEROY-ASN - Pomeroy Technologies LLC | 225 |
| AS399348 | JEANCOMPUTECH-CORPORATION - JeanComputech Corporation | 225 |
IPv4 prefixes (140)
192.196.176.0/22208.64.176.0/21208.65.108.0/24192.55.248.0/24206.126.115.0/24192.235.100.0/22198.35.57.0/2472.28.108.0/24199.253.207.0/24192.235.79.0/2467.23.48.0/24198.24.53.0/24192.196.180.0/2267.23.52.0/2472.28.102.0/24192.196.164.0/24192.235.65.0/24198.24.38.0/24208.65.109.0/24198.24.52.0/2464.34.60.0/2472.28.98.0/2472.28.113.0/24192.235.88.0/2170.36.16.0/2172.28.105.0/24198.35.50.0/24192.235.70.0/23192.235.68.0/24198.35.53.0/2467.23.62.0/23198.24.62.0/24192.196.163.0/24192.235.67.0/24198.24.39.0/2472.28.117.0/2467.23.54.0/24198.24.36.0/24198.24.37.0/24143.192.148.0/2272.28.100.0/2472.28.116.0/24198.24.34.0/24192.235.98.0/23199.195.156.0/2272.28.125.0/24208.65.106.0/24198.24.59.0/2467.23.58.0/24198.24.63.0/2472.28.109.0/24198.35.59.0/24192.196.166.0/24198.35.54.0/2467.23.54.0/2372.28.121.0/24143.192.128.0/22198.24.32.0/24166.88.62.0/2472.28.126.0/24199.195.156.0/2472.28.118.0/24170.230.250.0/24199.6.15.0/24198.35.48.0/2467.23.61.0/24199.195.157.0/24143.192.188.0/2267.23.50.0/2467.23.49.0/24198.24.40.0/2272.28.106.0/2472.28.123.0/24208.65.107.0/24206.132.176.0/20204.144.58.0/24192.235.124.0/22192.235.96.0/23192.196.183.0/2472.28.110.0/2472.28.101.0/2464.226.50.0/23208.65.104.0/24192.235.120.0/22192.235.112.0/2267.23.59.0/24192.235.76.0/24199.195.158.0/24198.24.44.0/22198.24.40.0/23192.235.75.0/24192.196.161.0/2467.23.53.0/2467.23.51.0/2472.28.124.0/24192.235.64.0/2472.28.111.0/24192.235.66.0/24208.65.111.0/24198.24.60.0/2367.23.57.0/24192.235.87.0/24143.192.144.0/22198.24.48.0/22198.24.56.0/24166.88.19.0/24198.24.54.0/2372.28.119.0/2472.28.122.0/24192.235.72.0/23198.35.55.0/2472.28.107.0/24192.235.121.0/24170.230.252.0/24192.235.80.0/22198.24.35.0/2472.28.114.0/2370.36.24.0/21192.235.105.0/2472.28.104.0/24198.35.51.0/24192.235.114.0/23198.35.52.0/24199.195.159.0/24192.196.184.0/22192.196.164.0/2267.23.56.0/24208.65.105.0/24192.235.104.0/22192.235.108.0/22192.235.77.0/2472.28.97.0/2467.23.60.0/2472.28.99.0/2472.28.112.0/24143.192.152.0/22198.35.49.0/24198.44.196.0/2472.28.127.0/2472.28.120.0/24
IPv6 prefixes (16)
RPKI-validate all prefixes of AS36086
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | Telx | THETE-23 | 1 State St , 21st Floor, New York, NY, 10004, United States | |
| abuse | IP Abuse | IPABU50-ARIN | [email protected], +1-415-738-6500 | Four Embarcadero Center , Suite 3200, San Francisco, CA, 94111, United States |
| technical, noc, administrative | IP Engineering | IPENG23-ARIN | [email protected], +1-877-357-7782 | 1 State Street, 21st Floor, New York, NY, 10004, United States |
| noc, abuse, technical | IP Engineering | IPENG23-ARIN | [email protected], +1-877-357-7782 | 1 State Street, 21st Floor, New York, NY, 10004, United States |
Raw registry response
{
"endAutnum": 36086,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-07-10T05:10:19-04:00"
},
{
"eventAction": "registration",
"eventDate": "2026-07-10T05:10:19-04:00"
}
],
"handle": "IPABU50-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/IPABU50-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/36086"
},
{
"href": "https://whois.arin.net/rest/poc/IPABU50-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/36086"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "Four Embarcadero Center \nSuite 3200\nSan Francisco\nCA\n94111\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"IP Abuse"
],
[
"org",
[],
"text",
"Digital Realty"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-415-738-6500"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-07-21T04:46:13-04:00"
},
{
"eventAction": "registration",
"eventDate": "2011-03-18T11:44:45-04:00"
}
],
"handle": "IPENG23-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/IPENG23-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/36086"
},
{
"href": "https://whois.arin.net/rest/poc/IPENG23-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/36086"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical",
"noc",
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1 State Street\n21st Floor\nNew York\nNY\n10004\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"IP Engineering"
],
[
"org",
[],
"text",
"Telx"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-877-357-7782"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-07-10T05:11:32-04:00"
},
{
"eventAction": "registration",
"eventDate": "2009-04-20T07:04:27-04:00"
}
],
"handle": "THETE-23",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/THETE-23",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/36086"
},
{
"href": "https://whois.arin.net/rest/org/THETE-23",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/36086"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Telx"
],
[
"adr",
{
"label": "1 State St\r\n21st Floor\nNew York\nNY\n10004\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-07-21T04:46:13-04:00"
},
{
"eventAction": "registration",
"eventDate": "2011-03-18T11:44:45-04:00"
}
],
"handle": "IPENG23-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/IPENG23-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/36086"
},
{
"href": "https://whois.arin.net/rest/poc/IPENG23-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/36086"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"noc",
"abuse",
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1 State Street\n21st Floor\nNew York\nNY\n10004\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"IP Engineering"
],
[
"org",
[],
"text",
"Telx"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-877-357-7782"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2012-02-24T09:44:34-05:00"
},
{
"eventAction": "registration",
"eventDate": "2005-08-25T16:36:35-04:00"
}
],
"handle": "AS36086",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/36086",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/36086"
},
{
"href": "https://whois.arin.net/rest/asn/AS36086",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/36086"
}
],
"name": "TELX-LEGACY",
"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/36086"
}
],
"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/36086"
}
],
"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": 36086,
"status": [
"active"
]
}Results come from public internet registries and live global routing data. Results are cached for up to an hour. Lookups are logged with your IP address to prevent abuse — see our Privacy Policy.