General Info
ID
COGENT-A
Description
PSINet, Inc.
ASN
AS16534 Hanweck Associates LLC
Country
United States
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.