AS22255 Allegheny Health Network
18.104.22.168/24 - WPHOSP3
NetHandle: NET-204-69-181-0-1 OrgID: WPH-1 Parent: NET-204-0-0-0-0 NetName: WPHOSP3 NetRange: 22.214.171.124 - 126.96.36.199 NetType: assignment RegDate: 1994-08-23 Updated: 2005-11-29 TechHandle: PK81-ARIN Source: ARIN OrgID: WPH-1 OrgName: The Western Pennsylvania Hospital CanAllocate: Street: 320 East North Avenue City: Pittsburgh State/Prov: PA Country: US PostalCode: 15212 RegDate: 1994-08-23 Updated: 2011-09-24 OrgAdminHandle: PK81-ARIN OrgTechHandle: PK81-ARIN OrgAbuseHandle: PK81-ARIN Source: ARIN
IP Addresses in this range
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.