Registration
IPv4 Prefixes
2 prefixes · 512 addresses Routing data as of 2026-10-04 00:00 UTC
| Prefix | Range | Addresses |
|---|---|---|
| 164.153.140.0/24 | 164.153.140.0 – 164.153.140.255 | 256 |
| 174.34.252.0/24 | 174.34.252.0 – 174.34.252.255 | 256 |
IPv6 Prefixes
1 prefix · 256 × /48 Routing data as of 2026-10-04 00:00 UTC
| Prefix | Addresses |
|---|---|
| 2602:f9a4:: | 288 |
BGP Neighbours
32 unique neighbours · 4 upstream/peer · 28 downstream. 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 right of this AS in BGP paths — networks whose routes it carries, typically its customers (downstreams). Upstream & peer side (4)
Downstream side (28)
AS Name AS paths IPv4 sightings IPv6 sightings AS398663 SHIPPENSBURG-UNIVERSITY-01 - Shippensburg University 228 402 211 AS62989 IUP - Indiana University of Pennsylvania 162 33 211 AS9 CMU-ROUTER - Carnegie Mellon University 141 300 161 AS22644 TJUH - Thomas Jefferson University Hospitals, Inc. 110 188 2,091 AS4130 UPITT-AS - University of Pittsburgh 81 101 98 AS31746 FANDM - Franklin and Marshall College 41 141 0 AS394170 SUSQUEHANNA-UNIVERSITY - Susquehanna University 39 133 0 AS394962 PCT-ASN1 - PENNSYLVANIA COLLEGE OF TECHNOLOGY 37 66 0 AS36269 UOFSCRANTON - University of Scranton 30 42 0 AS11395 THIEL-AS - Thiel College 23 28 0 AS3999 PENN-STATE - The Pennsylvania State University 18 248 13 AS16794 THADDEUS-STEVENS-COLLEGE - Thaddeus Stevens College of Technology 16 19 0 AS398643 SRU-ASN - Slippery Rock University of Pennsylvania 15 59 1 AS397913 ESU-AS - East Stroudsburg University of Pennsylvania 14 92 2 AS398537 KUTZTOWN-01 - Kutztown University 13 59 0 AS398564 EUP-SCOTS-NET - Pennsylvania Western University 13 141 0 AS398774 CUP-3 - Pennsylvania Western University 13 35 0 AS6522 LEHIGH - Lehigh University 12 15 0 AS10448 VILLANOVA-UNIV - Villanova University 12 14 0 AS398655 CALU-ASN - Pennsylvania Western University 12 46 0 AS398813 MILLERSVILLE-UNIVERSITY - Millersville University of Pennsylvania 12 102 1 AS7150 CUPANET-BLM-AS - Commonwealth University of Pennsylvania 10 70 0 AS19395 BCCC-COLLEGE-I2 - Bucks County Community College 10 24 0 AS22192 SSHENET - Pennsylvania State System of Higher Education 10 68 0 AS398850 CHEYNEY-UNIVERSITY-OF-PA - Cheyney University Of Pennsylvania 10 22 0 AS22198 LAFAYE - Lafayette College 9 20 0 AS26699 MUHLENBERG-COLLEGE - Muhlenberg College 9 14 0 AS32744 MCCC - Montgomery County Community College 5 12 0
Raw RDAP Response
{
"endAutnum": 399855,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-08-25T16:13:17-04:00"
},
{
"eventAction": "registration",
"eventDate": "2026-08-25T16:12:09-04:00"
}
],
"handle": "AMBRO64-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/AMBRO64-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/399855"
},
{
"href": "https://whois.arin.net/rest/poc/AMBRO64-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/399855"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"dns",
"noc",
"routing",
"technical",
"abuse"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "7000 Edgerton Ave\nPittsburgh\nPA\n15208\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Scott Ambrose"
],
[
"n",
{},
"text",
[
"Ambrose",
"Scott",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-412-467-6130"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-03-18T08:53:52-04:00"
},
{
"eventAction": "registration",
"eventDate": "2023-10-10T11:00:21-04:00"
}
],
"handle": "MILLE3207-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MILLE3207-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/399855"
},
{
"href": "https://whois.arin.net/rest/poc/MILLE3207-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/399855"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"https://www.keystoneren.org"
],
"title": "Registration Comments"
}
],
"roles": [
"dns",
"abuse",
"routing",
"technical",
"administrative",
"noc"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "1002 Lititz Pike, Suite 137\nLititz\nPA\n17111\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Ben Miller"
],
[
"n",
{},
"text",
[
"Miller",
"Ben",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-717-320-8359"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-08-25T16:19:08-04:00"
},
{
"eventAction": "registration",
"eventDate": "2023-10-11T15:51:13-04:00"
}
],
"handle": "KEYST-48",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/KEYST-48",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/399855"
},
{
"href": "https://whois.arin.net/rest/org/KEYST-48",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/399855"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"remarks": [
{
"description": [
"https://www.keystoneren.org/"
],
"title": "Registration Comments"
}
],
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Keystone REN, LLC"
],
[
"adr",
{
"label": "1002 Lititz Pike, Suite 137\nLititz\nPA\n17111\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2023-11-30T06:56:42-05:00"
},
{
"eventAction": "registration",
"eventDate": "2023-11-30T06:56:42-05:00"
}
],
"handle": "AS399855",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/399855",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/399855"
},
{
"href": "https://whois.arin.net/rest/asn/AS399855",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/399855"
}
],
"name": "KEYSTONEREN",
"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/399855"
}
],
"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/399855"
}
],
"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": [
"http://www.keystoneren.org"
],
"title": "Registration Comments"
}
],
"startAutnum": 399855,
"status": [
"active"
]
} Contact details of private individuals are redacted.