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Autonomous System Number 11951 : MCSP (United States of America)
🖥 Autonomous System Number 11951 : MCSP (United States of America)
Autonomous System (AS) number AS11951 is managed by MCSP, an organization based in United States of America. Specific details about this AS are provided below. This data was last updated on: 2026-04-20T16:27:01.
| IP Network - AS11951 | |||||||
| Address Range: | AS11951 | ||||||
| Network Name: | MCSP | ||||||
| Events: | last changedregistration | ||||||
| ClassName: | autnum | ||||||
| Notices: | |||||||
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| Status: | Active | ||||||
| Links: | https://rdap.arin.net/registry/autnum/11951 ( Self ) https://whois.arin.net/rest/asn/AS11951 ( Alternate ) |
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| Whois Server: | whois.arin.net | ||||||
| Conformance: | nro_rdap_profile_0, rdap_level_0, nro_rdap_profile_asn_flat_0 | ||||||
| entity- MDCS | |
| Handle: | MDCS |
| Roles: | Registrant |
| Events: | last changed : 2011-09-24T08:30:57-04:00 registration : 1997-04-04T00:00:00-05:00 |
| Links: | https://rdap.arin.net/registry/entity/MDCS ( Self ) https://whois.arin.net/rest/org/MDCS ( Alternate ) |
| Version: | 4.0 |
| Name: | Medical Computer Systems |
| kind: | Org |
| Address: | 1729 21st Street, NW Washington DC 20009 United States |
| entity- PW25-ARIN | |
| Handle: | PW25-ARIN |
| Roles: | Abuse, Noc, Technical |
| Events: | last changed : 2026-04-16T10:10:25-04:00 registration : 1994-01-11T14:10:46-05:00 |
| Links: | https://rdap.arin.net/registry/entity/PW25-ARIN ( Self ) https://whois.arin.net/rest/poc/PW25-ARIN ( Alternate ) |
| Version: | 4.0 |
| Name: | Paul Wolotsky |
| kind: | Individual |
| Phone: | +1-866-814-9543 |
| Email: | pdw@mcsp.com |
🖥 IP Address Ranges for AS11951
The following is a list of all IP address ranges that belong to Autonomous System AS11951. Each entry shows the starting IP of the range and the total number of IPs it contains.
| Network | Start IP | End IP | Number of IP |
|---|---|---|---|
| 204.152.42.0/23 | 204.152.42.0 | 204.152.43.255 | 512 |
| 205.147.160.0/19 | 205.147.160.0 | 205.147.191.255 | 8192 |
| 207.152.128.0/18 | 207.152.128.0 | 207.152.191.255 | 16384 |
| 209.50.192.0/19 | 209.50.192.0 | 209.50.223.255 | 8192 |
| 66.186.128.0/20 | 66.186.128.0 | 66.186.143.255 | 4096 |
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