AS17275
Federal Home Loan Mortgage Corporation
Registration
IPv4 Prefixes
53 prefixes · 17,408 addresses · 18 top-level Routing data as of 2026-10-16 16:00 UTC
161.0.0.0/8 · 53 prefixes · 17,408 addresses
| Prefix | Range | Addresses |
|---|---|---|
| 161.107.0.0/22 | 161.107.0.0 – 161.107.3.255 | 1,024 |
| 161.107.0.0/23 | 161.107.0.0 – 161.107.1.255 | 512 |
| 161.107.2.0/23 | 161.107.2.0 – 161.107.3.255 | 512 |
| 161.107.16.0/22 | 161.107.16.0 – 161.107.19.255 | 1,024 |
| 161.107.16.0/23 | 161.107.16.0 – 161.107.17.255 | 512 |
| 161.107.18.0/23 | 161.107.18.0 – 161.107.19.255 | 512 |
| 161.107.20.0/22 | 161.107.20.0 – 161.107.23.255 | 1,024 |
| 161.107.20.0/23 | 161.107.20.0 – 161.107.21.255 | 512 |
| 161.107.22.0/23 | 161.107.22.0 – 161.107.23.255 | 512 |
| 161.107.24.0/22 | 161.107.24.0 – 161.107.27.255 | 1,024 |
| 161.107.24.0/23 | 161.107.24.0 – 161.107.25.255 | 512 |
| 161.107.26.0/23 | 161.107.26.0 – 161.107.27.255 | 512 |
| 161.107.28.0/22 | 161.107.28.0 – 161.107.31.255 | 1,024 |
| 161.107.28.0/23 | 161.107.28.0 – 161.107.29.255 | 512 |
| 161.107.30.0/23 | 161.107.30.0 – 161.107.31.255 | 512 |
| 161.107.44.0/22 | 161.107.44.0 – 161.107.47.255 | 1,024 |
| 161.107.44.0/23 | 161.107.44.0 – 161.107.45.255 | 512 |
| 161.107.46.0/23 | 161.107.46.0 – 161.107.47.255 | 512 |
| 161.107.56.0/22 | 161.107.56.0 – 161.107.59.255 | 1,024 |
| 161.107.56.0/23 | 161.107.56.0 – 161.107.57.255 | 512 |
| 161.107.58.0/23 | 161.107.58.0 – 161.107.59.255 | 512 |
| 161.107.60.0/22 | 161.107.60.0 – 161.107.63.255 | 1,024 |
| 161.107.60.0/23 | 161.107.60.0 – 161.107.61.255 | 512 |
| 161.107.63.0/24 | 161.107.63.0 – 161.107.63.255 | 256 |
| 161.107.64.0/22 | 161.107.64.0 – 161.107.67.255 | 1,024 |
| 161.107.64.0/23 | 161.107.64.0 – 161.107.65.255 | 512 |
| 161.107.66.0/23 | 161.107.66.0 – 161.107.67.255 | 512 |
| 161.107.68.0/22 | 161.107.68.0 – 161.107.71.255 | 1,024 |
| 161.107.68.0/23 | 161.107.68.0 – 161.107.69.255 | 512 |
| 161.107.69.0/24 | 161.107.69.0 – 161.107.69.255 | 256 |
| 161.107.70.0/23 | 161.107.70.0 – 161.107.71.255 | 512 |
| 161.107.72.0/22 | 161.107.72.0 – 161.107.75.255 | 1,024 |
| 161.107.72.0/23 | 161.107.72.0 – 161.107.73.255 | 512 |
| 161.107.74.0/23 | 161.107.74.0 – 161.107.75.255 | 512 |
| 161.107.76.0/22 | 161.107.76.0 – 161.107.79.255 | 1,024 |
| 161.107.76.0/23 | 161.107.76.0 – 161.107.77.255 | 512 |
| 161.107.78.0/23 | 161.107.78.0 – 161.107.79.255 | 512 |
| 161.107.79.0/24 | 161.107.79.0 – 161.107.79.255 | 256 |
| 161.107.100.0/23 | 161.107.100.0 – 161.107.101.255 | 512 |
| 161.107.108.0/23 | 161.107.108.0 – 161.107.109.255 | 512 |
| 161.107.112.0/22 | 161.107.112.0 – 161.107.115.255 | 1,024 |
| 161.107.112.0/23 | 161.107.112.0 – 161.107.113.255 | 512 |
| 161.107.114.0/23 | 161.107.114.0 – 161.107.115.255 | 512 |
| 161.107.116.0/22 | 161.107.116.0 – 161.107.119.255 | 1,024 |
| 161.107.116.0/23 | 161.107.116.0 – 161.107.117.255 | 512 |
| 161.107.118.0/23 | 161.107.118.0 – 161.107.119.255 | 512 |
| 161.107.118.0/24 | 161.107.118.0 – 161.107.118.255 | 256 |
| 161.107.120.0/22 | 161.107.120.0 – 161.107.123.255 | 1,024 |
| 161.107.120.0/23 | 161.107.120.0 – 161.107.121.255 | 512 |
| 161.107.122.0/23 | 161.107.122.0 – 161.107.123.255 | 512 |
| 161.107.124.0/22 | 161.107.124.0 – 161.107.127.255 | 1,024 |
| 161.107.124.0/23 | 161.107.124.0 – 161.107.125.255 | 512 |
| 161.107.127.0/24 | 161.107.127.0 – 161.107.127.255 | 256 |
IPv6 Prefixes
This AS does not currently announce any IPv6 prefixes.
BGP Neighbours
5 unique neighbours · 5 upstream/peer · 0 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. Upstream & peer side (5)
Raw RDAP Response
{
"endAutnum": 17275,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2020-10-22T14:08:34-04:00"
},
{
"eventAction": "registration",
"eventDate": "2020-10-22T14:08:34-04:00"
}
],
"handle": "ABUSE8016-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ABUSE8016-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/17275"
},
{
"href": "https://whois.arin.net/rest/poc/ABUSE8016-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/17275"
}
],
"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 2021-10-22"
],
"title": "Unvalidated POC"
}
],
"roles": [
"abuse"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "8250 Jones Branch Dr\nMcLean\nVA\n22102\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Abuse"
],
[
"org",
{},
"text",
"Federal Home Loan Mortgage Corp. (FHLMC)"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-703-918-5000"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-10-02T12:39:26-04:00"
},
{
"eventAction": "registration",
"eventDate": "2020-10-21T21:54:34-04:00"
}
],
"handle": "CHENS46-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CHENS46-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/17275"
},
{
"href": "https://whois.arin.net/rest/poc/CHENS46-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/17275"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-07-08T12:41:25-04:00"
},
{
"eventAction": "registration",
"eventDate": "2011-06-23T10:15:07-04:00"
}
],
"handle": "MUSAM-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MUSAM-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/17275"
},
{
"href": "https://whois.arin.net/rest/poc/MUSAM-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/17275"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-10-05T10:45:56-04:00"
},
{
"eventAction": "registration",
"eventDate": "2018-05-24T14:49:19-04:00"
}
],
"handle": "DRA168-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/DRA168-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/17275"
},
{
"href": "https://whois.arin.net/rest/poc/DRA168-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/17275"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"administrative"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "8250 Jones Branch Drive\nMcLean\nVA\n22102\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Domain Registrar Admin"
],
[
"org",
{},
"text",
"Federal Home Loan Mortgage Corp aka Freddie Mac"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-703-903-1717"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2020-10-22T14:13:31-04:00"
},
{
"eventAction": "registration",
"eventDate": "2020-10-22T14:13:31-04:00"
}
],
"handle": "NOC33215-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/NOC33215-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/17275"
},
{
"href": "https://whois.arin.net/rest/poc/NOC33215-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/17275"
}
],
"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 2021-10-22"
],
"title": "Unvalidated POC"
}
],
"roles": [
"noc"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "8250 Jones Branch Dr\nMcLean\nVA\n22102\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"NOC"
],
[
"org",
{},
"text",
"Federal Home Loan Mortgage Corp. (FHLMC)"
],
[
"kind",
{},
"text",
"group"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-703-918-5000"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-07-08T16:46:05-04:00"
},
{
"eventAction": "registration",
"eventDate": "2026-07-08T16:46:05-04:00"
}
],
"handle": "ZEIBA-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/ZEIBA-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/17275"
},
{
"href": "https://whois.arin.net/rest/poc/ZEIBA-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/17275"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"technical"
],
"status": [
"validated"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-07-08T16:54:23-04:00"
},
{
"eventAction": "registration",
"eventDate": "1997-05-27T00:00:00-04:00"
}
],
"handle": "FREDDI-2",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/FREDDI-2",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/17275"
},
{
"href": "https://whois.arin.net/rest/org/FREDDI-2",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/17275"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Federal Home Loan Mortgage Corporation"
],
[
"adr",
{
"label": "8200 Jones Branch Drive\r\nMS 433\nMcLean\nVA\n22102\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2011-06-23T10:21:54-04:00"
},
{
"eventAction": "registration",
"eventDate": "2011-06-23T10:21:54-04:00"
}
],
"handle": "MFA91-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MFA91-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/17275"
},
{
"href": "https://whois.arin.net/rest/poc/MFA91-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/17275"
}
],
"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 2012-06-22"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2018-05-24T12:03:31-04:00"
},
{
"eventAction": "registration",
"eventDate": "2018-05-24T12:03:31-04:00"
}
],
"handle": "MCNUL18-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/MCNUL18-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/17275"
},
{
"href": "https://whois.arin.net/rest/poc/MCNUL18-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/17275"
}
],
"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 2019-05-24"
],
"title": "Unvalidated POC"
}
],
"roles": [
"abuse"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "1771 Business Center Drive\nReston\nVA\n20190\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Brian McNulty"
],
[
"n",
{},
"text",
[
"McNulty",
"Brian",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-703-450-3360"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2000-08-15T13:09:26-04:00"
},
{
"eventAction": "registration",
"eventDate": "2000-08-15T13:09:26-04:00"
}
],
"handle": "JW1043-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/JW1043-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/17275"
},
{
"href": "https://whois.arin.net/rest/poc/JW1043-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/17275"
}
],
"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 2010-06-15"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2014-11-15T08:58:44-05:00"
},
{
"eventAction": "registration",
"eventDate": "2011-06-23T10:11:16-04:00"
}
],
"handle": "KNOWL3-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/KNOWL3-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/17275"
},
{
"href": "https://whois.arin.net/rest/poc/KNOWL3-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/17275"
}
],
"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 2015-11-15"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2018-05-25T12:41:59-04:00"
},
{
"eventAction": "registration",
"eventDate": "2000-08-15T00:00:00-04:00"
}
],
"handle": "AS17275",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/17275",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/17275"
},
{
"href": "https://whois.arin.net/rest/asn/AS17275",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/17275"
}
],
"name": "FMAC-I-BILLING",
"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/17275"
}
],
"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/17275"
}
],
"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": 17275,
"status": [
"active"
]
} Contact details of private individuals are redacted.