Registration
IPv4 Prefixes
94 prefixes · 23,552 addresses · 63 top-level Routing data as of 2026-10-08 16:00 UTC
64.0.0.0/8 · 1 prefix · 256 addresses
| Prefix | Range | Addresses |
|---|---|---|
| 64.39.239.0/24 | 64.39.239.0 – 64.39.239.255 | 256 |
205.0.0.0/8 · 21 prefixes · 4,864 addresses
| Prefix | Range | Addresses |
|---|---|---|
| 205.159.194.0/24 | 205.159.194.0 – 205.159.194.255 | 256 |
| 205.242.92.0/23 | 205.242.92.0 – 205.242.93.255 | 512 |
| 205.242.92.0/24 | 205.242.92.0 – 205.242.92.255 | 256 |
| 205.242.93.0/24 | 205.242.93.0 – 205.242.93.255 | 256 |
| 205.242.176.0/24 | 205.242.176.0 – 205.242.176.255 | 256 |
| 205.242.177.0/24 | 205.242.177.0 – 205.242.177.255 | 256 |
| 205.242.178.0/24 | 205.242.178.0 – 205.242.178.255 | 256 |
| 205.242.179.0/24 | 205.242.179.0 – 205.242.179.255 | 256 |
| 205.242.180.0/24 | 205.242.180.0 – 205.242.180.255 | 256 |
| 205.242.181.0/24 | 205.242.181.0 – 205.242.181.255 | 256 |
| 205.242.182.0/24 | 205.242.182.0 – 205.242.182.255 | 256 |
| 205.242.183.0/24 | 205.242.183.0 – 205.242.183.255 | 256 |
| 205.242.184.0/21 | 205.242.184.0 – 205.242.191.255 | 2,048 |
| 205.242.184.0/24 | 205.242.184.0 – 205.242.184.255 | 256 |
| 205.242.185.0/24 | 205.242.185.0 – 205.242.185.255 | 256 |
| 205.242.186.0/24 | 205.242.186.0 – 205.242.186.255 | 256 |
| 205.242.187.0/24 | 205.242.187.0 – 205.242.187.255 | 256 |
| 205.242.188.0/24 | 205.242.188.0 – 205.242.188.255 | 256 |
| 205.242.189.0/24 | 205.242.189.0 – 205.242.189.255 | 256 |
| 205.242.190.0/24 | 205.242.190.0 – 205.242.190.255 | 256 |
| 205.242.191.0/24 | 205.242.191.0 – 205.242.191.255 | 256 |
206.0.0.0/8 · 28 prefixes · 6,912 addresses
| Prefix | Range | Addresses |
|---|---|---|
| 206.196.96.0/24 | 206.196.96.0 – 206.196.96.255 | 256 |
| 206.196.97.0/24 | 206.196.97.0 – 206.196.97.255 | 256 |
| 206.196.98.0/24 | 206.196.98.0 – 206.196.98.255 | 256 |
| 206.196.99.0/24 | 206.196.99.0 – 206.196.99.255 | 256 |
| 206.196.101.0/24 | 206.196.101.0 – 206.196.101.255 | 256 |
| 206.196.102.0/24 | 206.196.102.0 – 206.196.102.255 | 256 |
| 206.196.103.0/24 | 206.196.103.0 – 206.196.103.255 | 256 |
| 206.196.104.0/24 | 206.196.104.0 – 206.196.104.255 | 256 |
| 206.196.105.0/24 | 206.196.105.0 – 206.196.105.255 | 256 |
| 206.196.106.0/24 | 206.196.106.0 – 206.196.106.255 | 256 |
| 206.196.107.0/24 | 206.196.107.0 – 206.196.107.255 | 256 |
| 206.196.108.0/24 | 206.196.108.0 – 206.196.108.255 | 256 |
| 206.196.109.0/24 | 206.196.109.0 – 206.196.109.255 | 256 |
| 206.196.112.0/24 | 206.196.112.0 – 206.196.112.255 | 256 |
| 206.196.113.0/24 | 206.196.113.0 – 206.196.113.255 | 256 |
| 206.196.114.0/24 | 206.196.114.0 – 206.196.114.255 | 256 |
| 206.196.116.0/24 | 206.196.116.0 – 206.196.116.255 | 256 |
| 206.196.117.0/24 | 206.196.117.0 – 206.196.117.255 | 256 |
| 206.196.118.0/24 | 206.196.118.0 – 206.196.118.255 | 256 |
| 206.196.119.0/24 | 206.196.119.0 – 206.196.119.255 | 256 |
| 206.196.120.0/22 | 206.196.120.0 – 206.196.123.255 | 1,024 |
| 206.196.120.0/24 | 206.196.120.0 – 206.196.120.255 | 256 |
| 206.196.121.0/24 | 206.196.121.0 – 206.196.121.255 | 256 |
| 206.196.122.0/24 | 206.196.122.0 – 206.196.122.255 | 256 |
| 206.196.123.0/24 | 206.196.123.0 – 206.196.123.255 | 256 |
| 206.196.126.0/24 | 206.196.126.0 – 206.196.126.255 | 256 |
| 206.196.127.0/24 | 206.196.127.0 – 206.196.127.255 | 256 |
| 206.225.8.0/24 | 206.225.8.0 – 206.225.8.255 | 256 |
207.0.0.0/8 · 3 prefixes · 1,280 addresses
| Prefix | Range | Addresses |
|---|---|---|
| 207.244.192.0/22 | 207.244.192.0 – 207.244.195.255 | 1,024 |
| 207.244.192.0/24 | 207.244.192.0 – 207.244.192.255 | 256 |
| 207.244.223.0/24 | 207.244.223.0 – 207.244.223.255 | 256 |
208.0.0.0/8 · 17 prefixes · 4,096 addresses
| Prefix | Range | Addresses |
|---|---|---|
| 208.19.224.0/21 | 208.19.224.0 – 208.19.231.255 | 2,048 |
| 208.19.224.0/24 | 208.19.224.0 – 208.19.224.255 | 256 |
| 208.19.225.0/24 | 208.19.225.0 – 208.19.225.255 | 256 |
| 208.19.227.0/24 | 208.19.227.0 – 208.19.227.255 | 256 |
| 208.19.228.0/24 | 208.19.228.0 – 208.19.228.255 | 256 |
| 208.19.229.0/24 | 208.19.229.0 – 208.19.229.255 | 256 |
| 208.19.230.0/24 | 208.19.230.0 – 208.19.230.255 | 256 |
| 208.19.231.0/24 | 208.19.231.0 – 208.19.231.255 | 256 |
| 208.19.232.0/21 | 208.19.232.0 – 208.19.239.255 | 2,048 |
| 208.19.232.0/24 | 208.19.232.0 – 208.19.232.255 | 256 |
| 208.19.233.0/24 | 208.19.233.0 – 208.19.233.255 | 256 |
| 208.19.234.0/24 | 208.19.234.0 – 208.19.234.255 | 256 |
| 208.19.235.0/24 | 208.19.235.0 – 208.19.235.255 | 256 |
| 208.19.236.0/24 | 208.19.236.0 – 208.19.236.255 | 256 |
| 208.19.237.0/24 | 208.19.237.0 – 208.19.237.255 | 256 |
| 208.19.238.0/24 | 208.19.238.0 – 208.19.238.255 | 256 |
| 208.19.239.0/24 | 208.19.239.0 – 208.19.239.255 | 256 |
209.0.0.0/8 · 15 prefixes · 3,840 addresses
| Prefix | Range | Addresses |
|---|---|---|
| 209.135.128.0/24 | 209.135.128.0 – 209.135.128.255 | 256 |
| 209.135.132.0/24 | 209.135.132.0 – 209.135.132.255 | 256 |
| 209.135.133.0/24 | 209.135.133.0 – 209.135.133.255 | 256 |
| 209.135.134.0/24 | 209.135.134.0 – 209.135.134.255 | 256 |
| 209.135.135.0/24 | 209.135.135.0 – 209.135.135.255 | 256 |
| 209.135.136.0/24 | 209.135.136.0 – 209.135.136.255 | 256 |
| 209.135.141.0/24 | 209.135.141.0 – 209.135.141.255 | 256 |
| 209.135.143.0/24 | 209.135.143.0 – 209.135.143.255 | 256 |
| 209.135.144.0/24 | 209.135.144.0 – 209.135.144.255 | 256 |
| 209.135.145.0/24 | 209.135.145.0 – 209.135.145.255 | 256 |
| 209.135.146.0/24 | 209.135.146.0 – 209.135.146.255 | 256 |
| 209.135.153.0/24 | 209.135.153.0 – 209.135.153.255 | 256 |
| 209.135.159.0/24 | 209.135.159.0 – 209.135.159.255 | 256 |
| 209.145.32.0/24 | 209.145.32.0 – 209.145.32.255 | 256 |
| 209.145.35.0/24 | 209.145.35.0 – 209.145.35.255 | 256 |
216.0.0.0/8 · 9 prefixes · 2,304 addresses
| Prefix | Range | Addresses |
|---|---|---|
| 216.87.38.0/23 | 216.87.38.0 – 216.87.39.255 | 512 |
| 216.87.38.0/24 | 216.87.38.0 – 216.87.38.255 | 256 |
| 216.87.40.0/24 | 216.87.40.0 – 216.87.40.255 | 256 |
| 216.87.58.0/24 | 216.87.58.0 – 216.87.58.255 | 256 |
| 216.114.66.0/24 | 216.114.66.0 – 216.114.66.255 | 256 |
| 216.114.67.0/24 | 216.114.67.0 – 216.114.67.255 | 256 |
| 216.114.70.0/24 | 216.114.70.0 – 216.114.70.255 | 256 |
| 216.114.74.0/24 | 216.114.74.0 – 216.114.74.255 | 256 |
| 216.114.78.0/24 | 216.114.78.0 – 216.114.78.255 | 256 |
IPv6 Prefixes
1 prefix · 65,536 × /48 Routing data as of 2026-10-08 16:00 UTC
| Prefix | Addresses |
|---|---|
| 2606:9200:: | 296 |
BGP Neighbours
7 unique neighbours · 3 upstream/peer · 4 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 (3)
Downstream side (4)
Raw RDAP Response
{
"endAutnum": 6428,
"entities": [
{
"entities": [
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2022-12-04T01:24:54-05:00"
},
{
"eventAction": "registration",
"eventDate": "1995-09-07T09:42:06-04:00"
}
],
"handle": "CM553-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CM553-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/6428"
},
{
"href": "https://whois.arin.net/rest/poc/CM553-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/6428"
}
],
"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 2023-12-03"
],
"title": "Unvalidated POC"
}
],
"roles": [
"administrative",
"abuse",
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"adr",
{
"label": "CDM On-Line dba Primary Network\n11756 Borman Dr\nSt Louis\nMO\n63146-\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"fn",
{},
"text",
"Chris Malone"
],
[
"n",
{},
"text",
[
"Malone",
"Chris",
"",
"",
""
]
],
[
"kind",
{},
"text",
"individual"
],
[
"email",
{},
"text",
"[email protected]"
],
[
"tel",
{
"type": [
"work",
"voice"
]
},
"text",
"+1-314-216-2043"
],
[
"tel",
{
"type": [
"work",
"fax"
]
},
"text",
"+1-314-991-1564"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2012-10-10T01:54:27-04:00"
},
{
"eventAction": "registration",
"eventDate": "1996-04-12T00:00:00-04:00"
}
],
"handle": "CDM-31",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CDM-31",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/6428"
},
{
"href": "https://whois.arin.net/rest/org/CDM-31",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/6428"
}
],
"objectClassName": "entity",
"port43": "whois.arin.net",
"roles": [
"registrant"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"CDM"
],
[
"adr",
{
"label": "11756 Borman Drive\nSt. Louis\nMO\n63146\nUnited States"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"kind",
{},
"text",
"org"
]
]
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2022-12-04T01:24:54-05:00"
},
{
"eventAction": "registration",
"eventDate": "1995-09-07T09:42:06-04:00"
}
],
"handle": "CM553-ARIN",
"links": [
{
"href": "https://rdap.arin.net/registry/entity/CM553-ARIN",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/6428"
},
{
"href": "https://whois.arin.net/rest/poc/CM553-ARIN",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/6428"
}
],
"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 2023-12-03"
],
"title": "Unvalidated POC"
}
],
"roles": [
"technical"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"REDACTED"
],
[
"kind",
{},
"text",
"individual"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "1996-04-12T10:28:38-04:00"
},
{
"eventAction": "registration",
"eventDate": "1996-04-12T00:00:00-04:00"
}
],
"handle": "AS6428",
"links": [
{
"href": "https://rdap.arin.net/registry/autnum/6428",
"rel": "self",
"type": "application/rdap+json",
"value": "https://rdap.arin.net/registry/autnum/6428"
},
{
"href": "https://whois.arin.net/rest/asn/AS6428",
"rel": "alternate",
"type": "application/xml",
"value": "https://rdap.arin.net/registry/autnum/6428"
}
],
"name": "CDM",
"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/6428"
}
],
"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/6428"
}
],
"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": 6428,
"status": [
"active"
]
} Contact details of private individuals are redacted.