Registration
IPv4 Prefixes
8 prefixes · 2,048 addresses Routing data as of 2026-10-09 08:00 UTC
| Prefix | Range | Addresses |
|---|---|---|
| 139.177.127.0/24 | 139.177.127.0 – 139.177.127.255 | 256 |
| 143.112.255.0/24 | 143.112.255.0 – 143.112.255.255 | 256 |
| 194.61.251.0/24 | 194.61.251.0 – 194.61.251.255 | 256 |
| 206.203.65.0/24 | 206.203.65.0 – 206.203.65.255 | 256 |
| 206.203.67.0/24 | 206.203.67.0 – 206.203.67.255 | 256 |
| 206.203.73.0/24 | 206.203.73.0 – 206.203.73.255 | 256 |
| 206.203.74.0/24 | 206.203.74.0 – 206.203.74.255 | 256 |
| 206.203.78.0/24 | 206.203.78.0 – 206.203.78.255 | 256 |
IPv6 Prefixes
This AS does not currently announce any IPv6 prefixes.
BGP Neighbours
6 unique neighbours · 5 upstream/peer · 0 downstream · 1 collector-only. A neighbour can be seen on more than one side. Rows are ordered by AS paths: the number of BGP paths seen by RIPE RIS that contain the adjacency. Sightings count each IPv4/IPv6 route with the adjacency once per RIS peer that sees it (routes × peers), so they show how widely it is seen, not how many distinct routes it carries. Networks seen to the left of this AS in BGP paths, toward the route collectors — typically its transit providers (upstreams) and peers. Networks seen to the left of this AS only when they peer directly with a RIPE RIS route collector, so the adjacency may be an artefact of that peering; many of them also appear on the downstream side. Upstream & peer side (5)
AS Name AS paths IPv4 sightings IPv6 sightings AS15830 Equinix Equinix (EMEA) Acquisition Enterprises B.V. 478 1,042 0 AS3356 LEVEL3 - Level 3 Parent, LLC 304 604 0 AS209 CENTURYLINK-US-LEGACY-QWEST - CenturyLink Communications, LLC 263 737 0 AS3549 LVLT-3549 - Level 3 Parent, LLC 138 168 0 AS3910 CENTURYLINK-EUROPE-LEGACY-QWEST - CenturyLink Communications, LLC 130 166 0 Collector-only (1)
AS Name AS paths IPv4 sightings IPv6 sightings AS7018 ATT-INTERNET4 - AT&T Enterprises, LLC 1 1 0
Raw RDAP Response
{
"endAutnum": 10599,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-01-09T08:54:01-05:00"
},
{
"eventAction": "registration",
"eventDate": "2008-12-18T16:31:44-05:00"
}
],
"handle": "NIT2-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NIT2-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/10599"
},
{
"href": "https://whois.arin.net/rest/poc/NIT2-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/10599"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"abuse",
"technical",
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "6555 State Highway 161\nIrving\nTX\n75039\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Network Infrastructure Team"
],
[
"org",
{},
"text",
"McKesson Corporation"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-972-446-4800;extN/A"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2020-06-26T16:44:36-04:00"
},
{
"eventAction": "registration",
"eventDate": "1996-08-22T00:00:00-04:00"
}
],
"handle": "MCKESS",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MCKESS",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/10599"
},
{
"href": "https://whois.arin.net/rest/org/MCKESS",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/10599"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"McKesson Corp."
],
[
"adr",
{
"label": "6535 N. State Highway 161\nIrving\nTX\n75039\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2000-05-02T11:33:29-04:00"
},
{
"eventAction": "registration",
"eventDate": "2000-05-02T11:33:29-04:00"
}
],
"handle": "MT424-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MT424-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/10599"
},
{
"href": "https://whois.arin.net/rest/poc/MT424-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/10599"
}
],
"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 2010-06-17"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2000-05-02T11:33:20-04:00"
},
{
"eventAction": "registration",
"eventDate": "1997-09-30T00:00:00-04:00"
}
],
"handle": "AS10599",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/10599",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/10599"
},
{
"href": "https://whois.arin.net/rest/asn/AS10599",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/10599"
}
],
"name": "MCKESSON",
"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/10599"
}
],
"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/10599"
}
],
"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": 10599,
"status": [
"active"
]
} Contact details of private individuals are redacted.