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AS36351
SOFTLAYER - IBM Cloud Announcing routesAS nameSOFTLAYER
OrganisationIBM Cloud
Registry (RIR)ARIN
HandleAS36351
RangeAS36351
Registered13 Dec 2005
Last changed01 Mar 2025
Abuse contact[email protected]
342IPv4 prefixes
73IPv6 prefixes
126Upstreams
13Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS6939 | HURRICANE - Hurricane Electric LLC | 911 |
| AS9498 | BBIL-AP - BHARTI Airtel Ltd. | 565 |
| AS1299 | TWELVE99 Arelion Sweden AB | 495 |
| AS2914 | NTT-DATA-2914 - NTT America, Inc. | 372 |
| AS3356 | LEVEL3 - Level 3 Parent, LLC | 311 |
| AS13335 | CLOUDFLARENET - Cloudflare, Inc. | 276 |
| AS32787 | PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK - Akamai Technologies, Inc. | 266 |
| AS1221 | ASN-TELSTRA - Telstra Limited | 124 |
| AS9002 | RETN-AS RETN Limited | 123 |
| AS4637 | ASN-TELSTRA-GLOBAL - Telstra Global | 83 |
| AS3491 | PCCWG-APAC-HK - PCCW Global (HK) Ltd. | 73 |
| AS6453 | AS6453 - TATA COMMUNICATIONS (AMERICA) INC | 71 |
| AS13030 | INIT7 Init7 (Switzerland) Ltd. | 69 |
| AS34549 | MEER-AS meerfarbig GmbH & Co. KG | 47 |
| AS39351 | ESAB-AS 31173 Services AB | 32 |
Downstreams
| AS | Network name | Visibility |
|---|---|---|
| AS17390 | CIO-ORGANIZATION - IBM | 869 |
| AS48851 | radware Radware Ltd | 718 |
| AS219514 | CENNSO Cennso Technologies GmbH | 485 |
| AS46160 | SKYTAP-TUK - Kyndryl | 411 |
| AS25773 | RADWARE-CLOUD-SERVICES - RADWARE INC. | 397 |
| AS204527 | BJNIP bejuno GmbH | 390 |
| AS49765 | Comms365 Comms365 Limited | 288 |
| AS50524 | STERL IBM Deutschland GmbH | 268 |
| AS202665 | SMSHW SMShighway Limited | 267 |
| AS200432 | Borgun Teya Iceland hf | 262 |
| AS14417 | LANDSTAR - Landstar System Inc | 261 |
| AS38719 | DREAMSCAPE-AS-AP - Dreamscape Networks Limited | 260 |
| AS36344 | ADVAN-CAST - Virtuozzo Inc. | 207 |
IPv4 prefixes (342)
52.117.0.0/18159.8.64.0/18169.38.36.0/22141.125.128.0/1889.38.53.0/24103.70.48.0/24150.238.64.0/1889.144.43.0/24169.57.128.0/17207.44.128.0/17169.38.212.0/22169.60.64.0/1852.118.128.0/18169.38.204.0/22159.122.64.0/18130.198.64.0/18150.238.128.0/18162.133.64.0/18169.38.216.0/21159.8.192.0/18207.218.192.0/18169.38.208.0/22108.168.128.0/1967.18.0.0/1867.228.254.0/2367.214.223.0/24161.156.64.0/1850.22.16.0/21169.48.64.0/18192.107.243.0/24169.61.128.0/18207.231.156.0/2374.86.0.0/16174.37.0.0/1869.57.140.0/2252.116.128.0/18104.207.183.0/24169.63.192.0/1850.22.40.0/21173.247.105.0/24173.192.248.0/21161.202.64.0/18198.23.104.0/22150.239.64.0/18173.192.64.0/18150.238.192.0/18173.247.107.0/2467.228.64.0/1852.118.192.0/18174.36.64.0/1852.118.0.0/18149.81.192.0/18129.35.190.0/2450.22.0.0/21169.56.0.0/18203.57.74.0/23165.192.128.0/18149.81.64.0/18173.247.115.0/24169.62.128.0/18216.234.226.0/2352.116.0.0/18161.199.86.0/2450.22.8.0/2150.22.192.0/21158.177.64.0/18169.63.128.0/18169.45.192.0/18119.81.0.0/18103.53.196.0/24169.47.64.0/1850.22.64.0/20169.38.224.0/21169.38.16.0/2250.22.24.0/22169.48.80.0/20119.81.140.0/22169.38.232.0/22161.202.224.0/19169.48.144.0/20169.38.128.0/18169.46.0.0/17161.199.16.0/24169.38.12.0/2252.117.179.0/24169.62.0.0/18163.107.64.0/1866.228.112.0/20169.55.0.0/18207.231.152.0/23169.47.192.0/18165.181.254.0/2469.57.144.0/22150.240.192.0/18174.37.128.0/18185.13.56.0/22165.181.255.0/24141.125.64.0/18158.177.128.0/1867.228.252.0/23169.44.0.0/17169.55.60.0/22208.43.0.0/18173.193.0.0/18163.69.64.0/18169.61.192.0/18159.8.128.0/1875.126.64.0/2169.57.136.0/22167.94.160.0/24158.176.192.0/18161.202.128.0/19161.156.128.0/18162.133.128.0/18208.43.192.0/19216.12.192.0/1967.15.0.0/1675.126.56.0/22161.156.141.0/24163.66.64.0/1866.37.96.0/24169.38.192.0/21169.48.128.0/18163.68.64.0/1875.126.48.0/2167.18.64.0/1813.116.64.0/1850.22.208.0/21173.193.128.0/1846.16.184.0/2143.245.168.0/24185.228.37.0/2475.126.112.0/20185.10.228.0/2252.117.192.0/18169.45.128.0/18174.133.116.0/22169.48.32.0/24169.45.20.0/22169.38.16.0/21208.101.0.0/1852.116.192.0/18161.202.192.0/19158.177.192.0/18163.102.64.0/18169.63.64.0/1881.95.144.0/24169.54.64.0/18165.192.64.0/18174.120.0.0/14185.150.176.0/24150.239.0.0/18128.168.192.0/22169.54.192.0/18144.69.0.0/18169.38.224.0/22150.240.128.0/18169.59.192.0/18199.244.72.0/22169.62.64.0/18169.38.200.0/21169.61.64.0/18150.112.64.0/18169.50.0.0/18209.85.0.0/17169.45.0.0/20174.36.0.0/18129.41.224.0/19216.185.96.0/19130.198.0.0/1950.22.24.0/21128.168.128.0/18119.81.64.0/18150.239.192.0/18158.176.0.0/18149.81.0.0/18169.55.64.0/18163.73.64.0/18119.81.144.0/21169.38.232.0/21158.176.64.0/1875.126.32.0/2150.22.200.0/21192.255.30.0/24169.50.128.0/18216.12.217.0/24169.38.64.0/19169.53.192.0/18198.23.112.0/20163.75.64.0/18161.156.0.0/1875.126.80.0/20169.60.0.0/18169.48.36.0/22168.1.64.0/1862.84.171.0/24185.228.39.0/24173.192.72.0/22158.175.64.0/18169.44.128.0/17185.228.36.0/24158.176.128.0/18169.38.208.0/21169.51.0.0/19108.168.160.0/19185.228.38.0/24168.1.0.0/18169.46.128.0/1713.120.64.0/1875.126.0.0/16148.59.154.0/2467.228.128.0/18169.38.200.0/22169.45.32.0/19128.168.64.0/1852.116.64.0/1867.228.0.0/1889.38.54.0/24149.81.128.0/18169.38.228.0/22108.229.8.0/21159.253.144.0/2152.117.0.0/20169.63.0.0/1866.98.128.0/17158.175.128.0/1850.97.16.0/235.10.96.0/19161.156.192.0/18169.47.0.0/18169.48.192.0/18185.228.36.0/2269.57.132.0/22169.38.32.0/2164.5.40.0/21185.228.68.0/22192.255.0.0/19216.234.224.0/2452.118.64.0/18169.48.0.0/19159.122.128.0/18169.38.64.0/18207.231.158.0/23169.62.192.0/18216.127.71.0/24169.60.128.0/18163.109.64.0/18119.81.192.0/19169.59.0.0/18128.168.0.0/1850.22.32.0/21185.150.177.0/2467.228.192.0/18174.133.0.0/16119.81.0.0/1667.18.128.0/18169.38.24.0/21169.38.236.0/22163.74.64.0/18169.47.128.0/18173.192.254.0/24169.55.128.0/18108.168.254.0/2367.214.212.0/2413.122.64.0/18169.38.96.0/19169.60.248.0/21159.253.128.0/21169.55.192.0/18158.231.64.0/18169.51.32.0/19161.202.0.0/19169.38.40.0/21169.38.8.0/22206.253.232.0/21103.106.108.0/24169.38.32.0/22169.60.208.0/20169.38.0.0/21199.166.36.0/23169.50.192.0/18169.45.64.0/18199.20.39.0/24150.238.0.0/18135.90.64.0/1852.116.128.0/20169.53.0.0/18170.225.160.0/2475.126.72.0/22169.50.64.0/18150.240.0.0/1813.121.64.0/18169.59.128.0/18103.193.4.0/22199.187.172.0/22169.38.44.0/22169.51.128.0/19169.47.80.0/20198.23.96.0/21169.38.40.0/22
IPv6 prefixes (73)
2a03:8180:1d00::/402607:f0d0:2900::/402607:f0d0:1e00::/402607:f0d0:4500::/402607:f0d0::/322602:ff84:c::/482620:11b:3002::/482607:f0d0:3d00::/402001:df5:9000::/482607:f0d0:4600::/402607:f0d0:3::/482403:ad80:20::/482401:c900:1800::/402602:ff1c:1::/482607:f0d0:1100::/402607:f0d0:1d00::/402401:c900:2d00::/402607:f0d0:1c00::/402602:ff84:12::/482602:ff84:11::/482602:ff84:1::/482607:f0d0:1f00::/402607:f0d0:3500::/402607:f0d0:4100::/402401:c900:2900::/402a03:8180:1c00::/402803:2f40:ffff::/482a03:8180:1300::/402607:f0d0:3a00::/402a04:f400:3000::/482403:a280:8000::/362a03:8180:2800::/402607:f0d0:6::/642401:c900:2800::/402607:f0d0:3700::/402a03:8180:1900::/402402:b180:1::/482401:c900:2f00::/402401:c900:1f00::/402a03:8180:2200::/402401:c900:1000::/402607:f0d0:3c00::/402607:f0d0:7::/482607:f0d0:3600::/402a03:8180:2000::/402607:f0d0:4200::/402401:c900:1500::/402a03:8180:2100::/402401:c900:1400::/402607:f0d0:2700::/402401:c900:3000::/402401:c900:1100::/402607:f0d0:1900::/402a03:8180:2900::/402a03:8180:2700::/402402:2f80::/482607:f0d0:1b00::/402607:f0d0:1a00::/402a05:dfc7:30::/482a03:8180:1100::/402401:c900:2000::/402403:1480:1000::/362a03:8180:1200::/402607:f0d0:3900::/402401:c900:2e00::/402a03:8180:1800::/402401:c900:2700::/402401:c900:2100::/402a03:8180:1f00::/402607:f0d0:1000::/402607:f0d0:2600::/402a03:8180:1400::/402607:f0d0:3800::/40
RPKI-validate all prefixes of AS36351
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | IBM Cloud | IBMC-24 | 1 New Orchard Road, Armonk, NY, 10504-1722, United States | |
| abuse | Abuse | ABUSE1025-ARIN | [email protected], +1-214-442-0605, +1-214-442-0601 | 4849 Alpha Rd., Dallas, TX, 75244, United States |
| technical, administrative | IP Admin | IPADM258-ARIN | [email protected], [email protected], [email protected], +1-214-442-0600, +1-214-442-0601 | 4849 Alpha Rd., Dallas, TX, 75244, United States |
| technical | John Mills | MILLS406-ARIN | [email protected], +1-307-381-1184 | 1300 El Camino Real, Menlo Park, CA, 94025, United States |
Raw registry response
{
"endAutnum": 36351,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-12-18T11:30:05-05:00"
},
{
"eventAction": "registration",
"eventDate": "2005-10-17T12:00:18-04:00"
}
],
"handle": "ABUSE1025-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ABUSE1025-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/36351"
},
{
"href": "https://whois.arin.net/rest/poc/ABUSE1025-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/36351"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "4849 Alpha Rd.\nDallas\nTX\n75244\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"Abuse"
],
[
"org",
[],
"text",
"SoftLayer Technologies"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-214-442-0605"
],
[
"tel",
{
"type": [
"work",
"fax"
]
},
"text",
"+1-214-442-0601"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-12-18T09:36:10-05:00"
},
{
"eventAction": "registration",
"eventDate": "2005-10-17T12:15:07-04:00"
}
],
"handle": "IPADM258-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/IPADM258-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/36351"
},
{
"href": "https://whois.arin.net/rest/poc/IPADM258-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/36351"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical",
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "4849 Alpha Rd.\nDallas\nTX\n75244\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"IP Admin"
],
[
"org",
[],
"text",
"SoftLayer Technologies"
],
[
"kind",
[],
"text",
"group"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-214-442-0600"
],
[
"tel",
{
"type": [
"work",
"fax"
]
},
"text",
"+1-214-442-0601"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-03-17T17:08:16-04:00"
},
{
"eventAction": "registration",
"eventDate": "2023-06-20T17:28:04-04:00"
}
],
"handle": "MILLS406-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MILLS406-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/36351"
},
{
"href": "https://whois.arin.net/rest/poc/MILLS406-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/36351"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"adr",
{
"label": "1300 El Camino Real\nMenlo Park\nCA\n94025\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
[],
"text",
"John Mills"
],
[
"n",
[],
"text",
[
"Mills",
"John",
"",
"",
""
]
],
[
"kind",
[],
"text",
"individual"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-307-381-1184"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-12-18T14:12:25-05:00"
},
{
"eventAction": "registration",
"eventDate": "2025-01-14T17:34:28-05:00"
}
],
"handle": "IBMC-24",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/IBMC-24",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/36351"
},
{
"href": "https://whois.arin.net/rest/org/IBMC-24",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/36351"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"IBM Cloud"
],
[
"adr",
{
"label": "1 New Orchard Road\nArmonk\nNY\n10504-1722\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
[],
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-02-28T13:53:54-05:00"
},
{
"eventAction": "registration",
"eventDate": "2005-12-12T17:00:02-05:00"
}
],
"handle": "AS36351",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/36351",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/36351"
},
{
"href": "https://whois.arin.net/rest/asn/AS36351",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/36351"
}
],
"name": "SOFTLAYER",
"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/36351"
}
],
"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/36351"
}
],
"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": 36351,
"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.