IP range details

12.19.88.0/21

AS109 · CISCO SYSTEMS, INC.

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Summary

Country	United States
Domain	cisco.com
ASN	AS109
Registry	arin
Hosted IPs	2,048
ID	CISCO-SY558-88

WHOIS Details

NetHandle:      NET-12-19-88-0-1
OrgID:          CISCO-13
Parent:         NET-12-0-0-0-1
NetName:        CISCO-SY558-88
NetRange:       12.19.88.0 - 12.19.95.255
NetType:        reassignment
RegDate:        2006-03-17
Updated:        2006-03-17
Source:         ARIN


OrgID:          CISCO-13
OrgName:        CISCO SYSTEMS INC
CanAllocate:    
Street:         2200 E PRESIDENT GEORGE BUSH HIGHWAY
City:           RICHARDSON
State/Prov:     TX
Country:        US
PostalCode:     75081
RegDate:        2006-03-17
Updated:        2021-01-27
OrgAdminHandle: GATC-ARIN
OrgTechHandle:  CAMT-ARIN
OrgTechHandle:  GATC-ARIN
OrgAbuseHandle: DN5-ORG-ARIN
OrgNOCHandle:   GATC-ARIN
Source:         ARIN


POCHandle:      DN5-ORG-ARIN
IsRole:         Y
LastName:       Cisco Systems Inc
FirstName:      
Street:         170 W. Tasman Dr.
City:           San Jose
State/Prov:     CA
Country:        US
PostalCode:     95134
RegDate:        1999-03-24
Updated:        2019-11-12
OfficePhone:    +1-408-527-9223
Mailbox:        dns-info@cisco.com
Source:         ARIN


POCHandle:      GATC-ARIN
IsRole:         Y
LastName:       GIS ARIN Technical Contact
FirstName:      
Street:         170 West Tasman Dr.
City:           San Jose
State/Prov:     CA
Country:        US
PostalCode:     95134
RegDate:        2012-05-20
Updated:        2024-03-25
OfficePhone:    +1-408-526-8888
Mailbox:        arin-tech@cisco.com
Mailbox:        cidr-block-admins@cisco.com
Source:         ARIN


POCHandle:      CAMT-ARIN
IsRole:         Y
LastName:       Cisco address management team
FirstName:      
Street:         170 West Tasman Dr.
City:           San Jose
State/Prov:     CA
Country:        US
PostalCode:     95134
RegDate:        2021-01-27
Updated:        2021-01-27
OfficePhone:    +1-408-526-4000
Mailbox:        cidr-block-admins@cisco.com
Source:         ARIN

Hosted domains

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What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

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