View

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

	Prefix	Description
	192.107.111.0/24	Medical Card System, Inc.

---

Network Policy

Click here to learn more about what this graph means and what makes up a network policy Global Aggregation Policy sad_dewdney

Chart Display Options

Display links using non straight lines

Prefixes in selected policy

Load all prefixes in policy

---

How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS14638	Liberty Communications of Puerto Rico LLC	✔	✘

---

Peers

	ASN	Description	IPv4	IPv6
	AS14638	Liberty Communications of Puerto Rico LLC	✔	✘

ASHandle:       AS393937
OrgID:          MCS-305
ASName:         MCS-PUBLIC-NET
ASNumber:       393937
RegDate:        2015-04-30
Updated:        2015-04-30
Source:         ARIN



OrgID:          MCS-305
OrgName:        Medical Card System, Inc.
CanAllocate:    
Street:         255 Ponce De Leon Ave
City:           San Juan
State/Prov:     PR
Country:        PR
PostalCode:     00917
RegDate:        2015-01-16
Updated:        2015-01-16
OrgAdminHandle: NETAD216-ARIN
OrgTechHandle:  NETAD216-ARIN
OrgAbuseHandle: NETAD216-ARIN
OrgNOCHandle:   NETAD216-ARIN
Source:         ARIN





OrgAdminHandle:       NETAD216-ARIN
OrgAdminName:          Netadmins
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        NETAD216-ARIN
OrgTechName:           Netadmins
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       NETAD216-ARIN
OrgAbuseName:          Netadmins
# Email removed, Log into bgp.tools to see whois emails


OrgNOCHandle:         NETAD216-ARIN
OrgNOCName:            Netadmins
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-06-14T03:28:03Z UTC

---

Member of the following AS-SETs

-	Member	ASN Count
RADB	as-nwn-transit	2129