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AS11951
Medical Computer Systems·
IP address details
AS11951
Medical Computer Systems·
  • Summary IP.CC
  • Prefixes
  • Peers
  • Upstream
  • Downstream
  • Graphs
  • World Map
  • WHOIS Details
  • IX

Summary

  • As Number
    AS11951
  • Org Name
    Medical Computer Systems
  • Country
  • Country Code
  • Website
  • Regional Registry
    IANA
  • Allocated Date
    12th February 1999
  • Allocated Status
    Assigned
  • Ipv4 Prefixes
    11
  • Ipv6 Prefixes
    0
  • Ipv4 Peers
    2
  • Ipv6 Peers
    0
  • Ipv4 Upstreams
    2
  • Ipv6 Upstreams
    0

Prefixes

There are 11 IPv4 Prefixes for this ASN.

Country
Announced Prefix
Description
Parent Prefix
RIR
United States204.152.42.0/23
Management Analsysis, Inc.
--ARIN
204.152.42.0/24
--
204.152.43.0/24
--
United States205.147.160.0/19
Sytex Access Ltd.
--ARIN
United States207.152.128.0/18
MAI Network Services
--ARIN
207.152.134.0/24
--
207.152.135.0/24
--
United States209.50.192.0/19
Medical Computer Systems
--ARIN
209.50.193.0/24
--
United States66.186.128.0/20
Lan2Wan, Inc.
--ARIN
66.186.129.0/24
--
  • 1
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Peers

There are 2 IPv4 Peers for this ASN.

Country
ASN
Description
IPv6
United StatesAS174
Cogent Communications
true
AS33657
Comcast Cable Communications, LLC
true
  • 1
ASN data
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Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
ASN data
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Useful for Cybersecurity
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Upstream

There are 2 IPv4 Upstreams for this ASN.

Country
ASN
Description
IPv6
United StatesAS174
Cogent Communications
true
AS33657
Comcast Cable Communications, LLC
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC

Downstream

There are 0 IPv4 Downstreams for this ASN.

Country
ASN
Description
IPv6
暂无数据
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC

Graphs

AS11951 Combined Upstream Graph AS11951 AS11951 AS174 AS174 AS11951->AS174 AS33657 AS33657 AS11951->AS33657 AS7018 AS7018 AS174->AS7018 AS2497 AS2497 AS174->AS2497 AS3356 AS3356 AS174->AS3356 AS1299 AS1299 AS174->AS1299 AS3257 AS3257 AS174->AS3257 AS1239 AS1239 AS174->AS1239 AS2914 AS2914 AS174->AS2914 AS33657->AS3356 AS7922 AS7922 AS33657->AS7922 AS3549 AS3549 AS3356->AS3549 AS209 AS209 AS3356->AS209 AS2914->AS2497 AS7922->AS174 AS7922->AS7018 AS7922->AS1299 AS7922->AS3257 AS7922->AS1239 AS7922->AS2914 AS3320 AS3320 AS7922->AS3320 AS6461 AS6461 AS7922->AS6461 AS5511 AS5511 AS7922->AS5511
AS11951 Combined Upstream Graph AS11951 AS11951 AS174 AS174 AS11951->AS174 AS33657 AS33657 AS11951->AS33657 AS7018 AS7018 AS174->AS7018 AS2497 AS2497 AS174->AS2497 AS3356 AS3356 AS174->AS3356 AS1299 AS1299 AS174->AS1299 AS3257 AS3257 AS174->AS3257 AS1239 AS1239 AS174->AS1239 AS2914 AS2914 AS174->AS2914 AS33657->AS3356 AS7922 AS7922 AS33657->AS7922 AS3549 AS3549 AS3356->AS3549 AS209 AS209 AS3356->AS209 AS2914->AS2497 AS7922->AS174 AS7922->AS7018 AS7922->AS1299 AS7922->AS3257 AS7922->AS1239 AS7922->AS2914 AS3320 AS3320 AS7922->AS3320 AS6461 AS6461 AS7922->AS6461 AS5511 AS5511 AS7922->AS5511

World Map

WHOIS Details


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber: 11951
ASName: MCSP
ASHandle: AS11951
RegDate: 1999-02-12
Updated: 2021-07-14
Ref: https://rdap.arin.net/registry/autnum/11951


OrgName: Medical Computer Systems
OrgId: MDCS
Address: 1729 21st Street, NW
City: Washington
StateProv: DC
PostalCode: 20009
Country: US
RegDate: 1997-04-04
Updated: 2011-09-24
Ref: https://rdap.arin.net/registry/entity/MDCS


OrgTechHandle: PW25-ARIN
OrgTechName: Wolotsky, Paul
OrgTechPhone: +1-949-365-1249
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/PW25-ARIN

OrgAbuseHandle: PW25-ARIN
OrgAbuseName: Wolotsky, Paul
OrgAbusePhone: +1-949-365-1249
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/PW25-ARIN

RTechHandle: PW25-ARIN
RTechName: Wolotsky, Paul
RTechPhone: +1-949-365-1249
RTechEmail: [email protected]
RTechRef: https://rdap.arin.net/registry/entity/PW25-ARIN

RNOCHandle: PW25-ARIN
RNOCName: Wolotsky, Paul
RNOCPhone: +1-949-365-1249
RNOCEmail: [email protected]
RNOCRef: https://rdap.arin.net/registry/entity/PW25-ARIN

RAbuseHandle: PW25-ARIN
RAbuseName: Wolotsky, Paul
RAbusePhone: +1-949-365-1249
RAbuseEmail: [email protected]
RAbuseRef: https://rdap.arin.net/registry/entity/PW25-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber: 11951
ASName: MCSP
ASHandle: AS11951
RegDate: 1999-02-12
Updated: 2021-07-14
Ref: https://rdap.arin.net/registry/autnum/11951


OrgName: Medical Computer Systems
OrgId: MDCS
Address: 1729 21st Street, NW
City: Washington
StateProv: DC
PostalCode: 20009
Country: US
RegDate: 1997-04-04
Updated: 2011-09-24
Ref: https://rdap.arin.net/registry/entity/MDCS


OrgTechHandle: PW25-ARIN
OrgTechName: Wolotsky, Paul
OrgTechPhone: +1-949-365-1249
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/PW25-ARIN

OrgAbuseHandle: PW25-ARIN
OrgAbuseName: Wolotsky, Paul
OrgAbusePhone: +1-949-365-1249
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/PW25-ARIN

RTechHandle: PW25-ARIN
RTechName: Wolotsky, Paul
RTechPhone: +1-949-365-1249
RTechEmail: [email protected]
RTechRef: https://rdap.arin.net/registry/entity/PW25-ARIN

RNOCHandle: PW25-ARIN
RNOCName: Wolotsky, Paul
RNOCPhone: +1-949-365-1249
RNOCEmail: [email protected]
RNOCRef: https://rdap.arin.net/registry/entity/PW25-ARIN

RAbuseHandle: PW25-ARIN
RAbuseName: Wolotsky, Paul
RAbusePhone: +1-949-365-1249
RAbuseEmail: [email protected]
RAbuseRef: https://rdap.arin.net/registry/entity/PW25-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#

IX

Country
IX
IPv4
IPv6
Port Speed
暂无数据
  • 1
Country
IX
IPv4
IPv6
Port Speed
暂无数据
  • 1
IP.CC
Search
IP address details
AS11951
Medical Computer Systems·
IP address details
AS11951
Medical Computer Systems·

Summary

  • As Number
    AS11951
  • Org Name
    Medical Computer Systems
  • Country
  • Country Code
  • Website
  • Regional Registry
    IANA
  • Allocated Date
    12th February 1999
  • Allocated Status
    Assigned
  • Ipv4 Prefixes
    11
  • Ipv6 Prefixes
    0
  • Ipv4 Peers
    2
  • Ipv6 Peers
    0
  • Ipv4 Upstreams
    2
  • Ipv6 Upstreams
    0

Prefixes

There are 11 IPv4 Prefixes for this ASN.

Country
Announced Prefix
Description
Parent Prefix
RIR
United States204.152.42.0/23
Management Analsysis, Inc.
--ARIN
204.152.42.0/24
--
204.152.43.0/24
--
United States205.147.160.0/19
Sytex Access Ltd.
--ARIN
United States207.152.128.0/18
MAI Network Services
--ARIN
207.152.134.0/24
--
207.152.135.0/24
--
United States209.50.192.0/19
Medical Computer Systems
--ARIN
209.50.193.0/24
--
United States66.186.128.0/20
Lan2Wan, Inc.
--ARIN
66.186.129.0/24
--
  • 1
IP Ranges API
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
Useful for GameTech, and Advertising Technology
IP Ranges APIIP.CC
IP Ranges API
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
Useful for GameTech, and Advertising Technology
IP Ranges APIIP.CC

Peers

There are 2 IPv4 Peers for this ASN.

Country
ASN
Description
IPv6
United StatesAS174
Cogent Communications
true
AS33657
Comcast Cable Communications, LLC
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC

Upstream

There are 2 IPv4 Upstreams for this ASN.

Country
ASN
Description
IPv6
United StatesAS174
Cogent Communications
true
AS33657
Comcast Cable Communications, LLC
true
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC

Downstream

There are 0 IPv4 Downstreams for this ASN.

Country
ASN
Description
IPv6
暂无数据
  • 1
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC
ASN data
ASN details for every IP address and every ASN’s related domains, allocation date, registry name, total number of IP addresses, and assigned prefixes.
Useful for Cybersecurity
ASN APIIP.CCASN DatabaseIP.CC

Graphs

AS11951 Combined Upstream Graph AS11951 AS11951 AS174 AS174 AS11951->AS174 AS33657 AS33657 AS11951->AS33657 AS7018 AS7018 AS174->AS7018 AS2497 AS2497 AS174->AS2497 AS3356 AS3356 AS174->AS3356 AS1299 AS1299 AS174->AS1299 AS3257 AS3257 AS174->AS3257 AS1239 AS1239 AS174->AS1239 AS2914 AS2914 AS174->AS2914 AS33657->AS3356 AS7922 AS7922 AS33657->AS7922 AS3549 AS3549 AS3356->AS3549 AS209 AS209 AS3356->AS209 AS2914->AS2497 AS7922->AS174 AS7922->AS7018 AS7922->AS1299 AS7922->AS3257 AS7922->AS1239 AS7922->AS2914 AS3320 AS3320 AS7922->AS3320 AS6461 AS6461 AS7922->AS6461 AS5511 AS5511 AS7922->AS5511
AS11951 Combined Upstream Graph AS11951 AS11951 AS174 AS174 AS11951->AS174 AS33657 AS33657 AS11951->AS33657 AS7018 AS7018 AS174->AS7018 AS2497 AS2497 AS174->AS2497 AS3356 AS3356 AS174->AS3356 AS1299 AS1299 AS174->AS1299 AS3257 AS3257 AS174->AS3257 AS1239 AS1239 AS174->AS1239 AS2914 AS2914 AS174->AS2914 AS33657->AS3356 AS7922 AS7922 AS33657->AS7922 AS3549 AS3549 AS3356->AS3549 AS209 AS209 AS3356->AS209 AS2914->AS2497 AS7922->AS174 AS7922->AS7018 AS7922->AS1299 AS7922->AS3257 AS7922->AS1239 AS7922->AS2914 AS3320 AS3320 AS7922->AS3320 AS6461 AS6461 AS7922->AS6461 AS5511 AS5511 AS7922->AS5511

World Map

WHOIS Details


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber: 11951
ASName: MCSP
ASHandle: AS11951
RegDate: 1999-02-12
Updated: 2021-07-14
Ref: https://rdap.arin.net/registry/autnum/11951


OrgName: Medical Computer Systems
OrgId: MDCS
Address: 1729 21st Street, NW
City: Washington
StateProv: DC
PostalCode: 20009
Country: US
RegDate: 1997-04-04
Updated: 2011-09-24
Ref: https://rdap.arin.net/registry/entity/MDCS


OrgTechHandle: PW25-ARIN
OrgTechName: Wolotsky, Paul
OrgTechPhone: +1-949-365-1249
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/PW25-ARIN

OrgAbuseHandle: PW25-ARIN
OrgAbuseName: Wolotsky, Paul
OrgAbusePhone: +1-949-365-1249
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/PW25-ARIN

RTechHandle: PW25-ARIN
RTechName: Wolotsky, Paul
RTechPhone: +1-949-365-1249
RTechEmail: [email protected]
RTechRef: https://rdap.arin.net/registry/entity/PW25-ARIN

RNOCHandle: PW25-ARIN
RNOCName: Wolotsky, Paul
RNOCPhone: +1-949-365-1249
RNOCEmail: [email protected]
RNOCRef: https://rdap.arin.net/registry/entity/PW25-ARIN

RAbuseHandle: PW25-ARIN
RAbuseName: Wolotsky, Paul
RAbusePhone: +1-949-365-1249
RAbuseEmail: [email protected]
RAbuseRef: https://rdap.arin.net/registry/entity/PW25-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#


ASNumber: 11951
ASName: MCSP
ASHandle: AS11951
RegDate: 1999-02-12
Updated: 2021-07-14
Ref: https://rdap.arin.net/registry/autnum/11951


OrgName: Medical Computer Systems
OrgId: MDCS
Address: 1729 21st Street, NW
City: Washington
StateProv: DC
PostalCode: 20009
Country: US
RegDate: 1997-04-04
Updated: 2011-09-24
Ref: https://rdap.arin.net/registry/entity/MDCS


OrgTechHandle: PW25-ARIN
OrgTechName: Wolotsky, Paul
OrgTechPhone: +1-949-365-1249
OrgTechEmail: [email protected]
OrgTechRef: https://rdap.arin.net/registry/entity/PW25-ARIN

OrgAbuseHandle: PW25-ARIN
OrgAbuseName: Wolotsky, Paul
OrgAbusePhone: +1-949-365-1249
OrgAbuseEmail: [email protected]
OrgAbuseRef: https://rdap.arin.net/registry/entity/PW25-ARIN

RTechHandle: PW25-ARIN
RTechName: Wolotsky, Paul
RTechPhone: +1-949-365-1249
RTechEmail: [email protected]
RTechRef: https://rdap.arin.net/registry/entity/PW25-ARIN

RNOCHandle: PW25-ARIN
RNOCName: Wolotsky, Paul
RNOCPhone: +1-949-365-1249
RNOCEmail: [email protected]
RNOCRef: https://rdap.arin.net/registry/entity/PW25-ARIN

RAbuseHandle: PW25-ARIN
RAbuseName: Wolotsky, Paul
RAbusePhone: +1-949-365-1249
RAbuseEmail: [email protected]
RAbuseRef: https://rdap.arin.net/registry/entity/PW25-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2025, American Registry for Internet Numbers, Ltd.
#

IX

Country
IX
IPv4
IPv6
Port Speed
暂无数据
  • 1
Country
IX
IPv4
IPv6
Port Speed
暂无数据
  • 1
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What is an ASN?
Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.
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