AS21899 is the autonomous system of Abbott Laboratories. It holds 43,776 IPv4 addresses in 31 prefixes, mainly in 
United States.
By IPv4 addresses the network ranks #4,129 worldwide and #1,524 of 18,202 networks in United States.
The largest block is 130.36.220.0 to 130.36.255.255 with 9,216 addresses, geolocated to Lake Bluff.
- IPv4 addresses
- 43,776
- IPv4 prefixes
- 31
- World rank
- #4,129
Addresses by country
- United States 100%
Largest blocks
- 130.36.220.0 Lake Bluff9,216
- 130.36.92.0 Lake Bluff8,192
- 130.36.36.0 Lake Bluff7,168
- 130.36.0.0 Lake Bluff4,096
- 130.36.65.0 Lake Bluff3,840
- 130.36.208.0 Lake Bluff2,048
- 130.36.184.0 Lake Bluff2,048
- 130.36.153.0 Lake Bluff1,792
Networks of similar size
43,776
43,776
43,776
43,776
43,776
43,520
43,520
43,520IPv4 prefixes
- 130.36.0.0/20
- 130.36.32.0/23
- 130.36.36.0/22
- 130.36.40.0/21
- 130.36.48.0/20
- 130.36.65.0/24
- 130.36.66.0/23
- 130.36.68.0/22
- 130.36.72.0/21
- 130.36.88.0/23
- 130.36.90.0/24
- 130.36.92.0/22
- 130.36.96.0/20
- 130.36.112.0/21
- 130.36.120.0/22
- 130.36.126.0/23
- 130.36.128.0/22
- 130.36.140.0/23
- 130.36.142.0/24
- 130.36.153.0/24
- 130.36.154.0/23
- 130.36.156.0/22
- 130.36.162.0/23
- 130.36.168.0/23
- 130.36.170.0/24
- 130.36.172.0/24
- 130.36.174.0/24
- 130.36.184.0/21
- 130.36.208.0/21
- 130.36.220.0/22
- 130.36.224.0/19
Questions and answers
Who owns AS21899?
Autonomous system AS21899 is operated by Abbott Laboratories.
How many IP addresses does AS21899 have?
The network holds 43,776 IPv4 addresses in 31 prefixes.
Which country is AS21899 in?
The main country is United States.
How big is AS21899?
By IPv4 addresses it ranks #4,129 worldwide.
What is the largest address block of AS21899?
130.36.220.0 to 130.36.255.255, 9,216 addresses.