- Registered on
-
6 Sep 1995 (30 years old)
- Registered to
-
ARIN-UMMC-1-Z (arin)
- Network status
-
Active, Allocated under ARIN
- Network type
-
Unknown
- Prefixes Originated
- 4 IPv4, 0 IPv6
Upstreams
-
AS398427 - Markley Network Services, LLC
-
AS174 - Cogent Communications, LLC
Locations of Operation
United States
Prefixes Originated
4 IPv4, 0 IPv6
Addresses Originated
256 /24's of IPv4
0 /48's of IPv6
If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them
ASHandle: AS5724
OrgID: UMMC-1-Z
ASName: UMASSMED
ASNumber: 5724
RegDate: 1995-09-06
Comment: http://www.umassmed.edu
Updated: 2023-07-01
TechHandle: HOSTE28-ARIN
Source: ARIN
OrgID: UMMC-1-Z
OrgName: University of Massachusetts Medical School
CanAllocate:
Street: 55 Lake Avenue North
City: Worcester
State/Prov: MA
Country: US
PostalCode: 01655
RegDate: 2023-06-20
Updated: 2023-06-20
OrgAdminHandle: HOSTE28-ARIN
OrgTechHandle: HOSTE28-ARIN
OrgAbuseHandle: HOSTE28-ARIN
OrgNOCHandle: HOSTE28-ARIN
Source: ARIN
OrgAdminHandle: HOSTE28-ARIN
OrgAdminName: Hosted Services
# Email removed, Log into bgp.tools to see whois emails
OrgTechHandle: HOSTE28-ARIN
OrgTechName: Hosted Services
# Email removed, Log into bgp.tools to see whois emails
OrgAbuseHandle: HOSTE28-ARIN
OrgAbuseName: Hosted Services
# Email removed, Log into bgp.tools to see whois emails
OrgNOCHandle: HOSTE28-ARIN
OrgNOCName: Hosted Services
# Email removed, Log into bgp.tools to see whois emails
TechHandle: HOSTE28-ARIN
TechName: Hosted Services
# Email removed, Log into bgp.tools to see whois emails
Last Update: 2026-06-04T03:25:20Z UTC
Member of the following AS-SETs