General Info

ID

COGENT-A

Description

PSINet, Inc.

ASN

AS16534 Hanweck Associates LLC

Country
United States
Registry

arin

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Whois Details

NetHandle:      NET-38-0-0-0-1
OrgID:          PSI
Parent:         
NetName:        COGENT-A
NetRange:       38.0.0.0 - 38.255.255.255
NetType:        allocation
OriginAS:       174
Comment:        Reassignment information for this block can be found at
Comment:        rwhois.cogentco.com 4321
RegDate:        1991-04-16
Updated:        2011-05-20
TechHandle:     PSI-NISC-ARIN
Source:         ARIN


OrgID:          PSI
OrgName:        PSINet, Inc.
CanAllocate:    
Street:         2450 N Street NW
City:           Washington
State/Prov:     DC
Country:        US
PostalCode:     20037
Comment:        rwhois.cogentco.com
RegDate:        1970-01-01
Updated:        2015-06-04
ReferralServer: rwhois://rwhois.cogentco.com:4321
OrgAdminHandle: IPALL-ARIN
OrgAbuseHandle: COGEN-ARIN
OrgTechHandle:  IPALL-ARIN
OrgNOCHandle:   ZC108-ARIN
Source:         ARIN

IP Addresses in this range

Details

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.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.