AS553 is the autonomous system of Universitaet Stuttgart. It holds 2,109,696 IPv4 addresses in 51 prefixes plus 4 IPv6 ranges, mainly in 
Germany.
By IPv4 addresses the network ranks #186 worldwide and #8 of 2,588 networks in Germany. That is 1.5% of the country’s IPv4 space.
The largest block is 141.68.0.0 to 141.70.255.255 with 196,608 addresses, geolocated to Ravensburg.
- IPv4 addresses
- 2,109,696
- IPv4 prefixes
- 51
- World rank
- #186
- Country share
- 1.5%
- IPv6 ranges
- 4
Addresses by country
- Germany 100%
Largest blocks
- 141.68.0.0 Ravensburg196,608
- 141.18.0.0 Aalen131,072
- 141.58.0.0 Stuttgart (Vaihingen)126,976
- 193.196.48.0 Stuttgart (Vaihingen)118,784
- 161.42.0.0 Heidelberg65,536
- 147.142.0.0 Heidelberg (Handschuhsheimer Feld)65,536
- 144.41.0.0 Stuttgart (Plieningen)65,536
- 141.87.0.0 Albstadt65,536
Networks of similar size
- AS132203 Shenzhen Tencent Computer Systems Company Limited
2,151,424 - AS237 Merit Network Inc.
2,142,720 - AS12400 Partner Communications Ltd.
2,141,952 - AS270 National Aeronautics and Space Administration2,119,424
- AS9498 Bharti Airtel Limited
2,108,451 - AS6871 British Telecommunications PLC
2,097,664 - AS2514 NTT PC Communications, Inc.
2,078,720 - AS367 DoD Network Information Center2,072,320
IPv4 prefixes
- 45.90.132.0/22
- 129.69.0.0/16
- 129.143.0.0/16
- 129.206.0.0/16
- 132.230.0.0/16
- 134.2.0.0/16
- 134.34.0.0/16
- 134.60.0.0/16
- 134.103.0.0/16
- 134.108.0.0/16
- 134.155.0.0/16
- 141.7.0.0/16
- 141.10.0.0/16
- 141.18.0.0/15
- 141.28.0.0/16
- 141.31.0.0/16
- 141.37.0.0/16
- 141.47.0.0/16
- 141.58.0.0/16
- 141.59.0.0/17
- 141.59.128.0/18
- 141.59.192.0/19
- 141.59.224.0/20
- 141.59.248.0/21
- 141.62.0.0/16
- 141.68.0.0/15
- 141.70.0.0/16
- 141.72.0.0/16
- 141.79.0.0/16
- 141.87.0.0/16
- 144.41.0.0/16
- 147.142.0.0/16
- 153.96.83.0/24
- 161.42.0.0/16
- 178.251.231.0/24
- 185.134.84.0/22
- 192.42.143.0/24
- 192.52.0.0/19
- 192.52.32.0/20
- 192.52.48.0/23
- 192.52.50.0/24
- 192.67.208.0/24
- 192.108.35.0/24
- 192.108.36.0/22
- 192.108.40.0/22
- 192.108.44.0/24
- 193.196.0.0/19
- 193.196.48.0/20
- 193.196.64.0/18
- 193.196.128.0/17
- 193.197.0.0/16
Questions and answers
Who owns AS553?
Autonomous system AS553 is operated by Universitaet Stuttgart.
How many IP addresses does AS553 have?
The network holds 2,109,696 IPv4 addresses in 51 prefixes, plus 4 IPv6 ranges.
Which country is AS553 in?
The main country is Germany.
How big is AS553?
By IPv4 addresses it ranks #186 worldwide.
What is the largest address block of AS553?
141.68.0.0 to 141.70.255.255, 196,608 addresses.