AS137 is the autonomous system of Consortium GARR. It holds 2,769,920 IPv4 addresses in 82 prefixes plus 2 IPv6 ranges, mainly in 
Italy.
By IPv4 addresses the network ranks #154 worldwide and #5 of 1,077 networks in Italy. That is 4.7% of the country’s IPv4 space.
The network spreads across 2 countries: Italy 100%, United States 0.01%.
The largest block is 193.204.0.0 to 193.206.255.255 with 196,608 addresses, geolocated to Milan.
- IPv4 addresses
- 2,769,920
- IPv4 prefixes
- 82
- World rank
- #154
- Country share
- 4.7%
- IPv6 ranges
- 2
Addresses by country
- Italy 100%
United States 0.01%
Largest blocks
- 193.204.0.0 Milan196,608
- 150.145.0.0 Genoa131,072
- 147.162.0.0 Padova131,072
- 192.167.0.0 Catania65,536
- 160.97.0.0 Arcavacata65,536
- 160.80.0.0 Rome65,536
- 160.78.0.0 Parma65,536
- 159.149.0.0 Milan65,536
Networks of similar size
- AS12271 Charter Communications Inc2,859,008
- AS19108 Suddenlink Communications2,836,992
- AS5769 Videotron Ltee
2,780,928 - AS56041 China Mobile Communications Corporation
2,771,712 - AS1761 General Services Commission2,753,024
- AS8447 A1 Telekom Austria AG
2,741,504 - AS35819 Etihad Etisalat, a joint stock company
2,710,528 - AS17816 China Unicom IP network China169 Guangdong province2,683,412
IPv4 prefixes
- 90.147.0.0/16
- 130.136.0.0/16
- 130.186.0.0/19
- 130.192.0.0/16
- 130.251.0.0/16
- 131.114.0.0/16
- 131.154.0.0/16
- 131.175.4.0/22
- 131.175.8.0/21
- 131.175.16.0/20
- 131.175.32.0/19
- 131.175.64.0/18
- 131.175.128.0/17
- 137.204.0.0/16
- 138.41.0.0/16
- 140.105.0.0/16
- 140.164.0.0/16
- 141.108.0.0/16
- 141.250.0.0/16
- 143.225.0.0/16
- 146.48.0.0/16
- 147.122.0.0/16
- 147.162.0.0/15
- 149.132.0.0/16
- 149.139.0.0/16
- 150.145.0.0/16
- 150.146.0.0/16
- 150.178.0.0/16
- 150.217.0.0/16
- 151.97.0.0/16
- 151.100.0.0/16
- 155.185.0.0/16
- 155.253.0.0/16
- 156.14.0.0/16
- 156.148.0.0/16
- 157.27.0.0/16
- 157.138.0.0/16
- 158.110.0.0/16
- 159.149.0.0/16
- 160.78.0.0/16
- 160.80.0.0/16
- 160.97.0.0/16
- 185.191.180.0/22
- 192.41.218.0/24
- 192.55.101.0/24
- 192.84.127.0/24
- 192.84.128.0/20
- 192.84.144.0/21
- 192.84.152.0/22
- 192.84.156.0/24
- 192.106.234.0/24
- 192.107.51.0/24
- 192.107.52.0/22
- 192.107.56.0/21
- 192.107.64.0/19
- 192.107.96.0/22
- 192.107.100.0/24
- 192.132.34.0/24
- 192.133.28.0/24
- 192.135.8.0/21
- 192.135.16.0/20
- 192.135.32.0/22
- 192.135.36.0/23
- 192.135.165.0/24
- 192.146.242.0/24
- 192.148.193.0/24
- 192.150.194.0/23
- 192.150.196.0/24
- 192.156.213.0/24
- 192.160.156.0/24
- 192.167.0.0/16
- 193.42.139.0/24
- 193.43.18.0/23
- 193.43.97.0/24
- 193.43.101.0/24
- 193.43.109.0/24
- 193.43.116.0/23
- 193.43.141.0/24
- 193.204.0.0/15
- 193.206.0.0/16
- 194.119.192.0/19
- 212.189.128.0/17
Questions and answers
Who owns AS137?
Autonomous system AS137 is operated by Consortium GARR.
How many IP addresses does AS137 have?
The network holds 2,769,920 IPv4 addresses in 82 prefixes, plus 2 IPv6 ranges.
Which country is AS137 in?
The main country is Italy, with addresses in 1 more countries.
How big is AS137?
By IPv4 addresses it ranks #154 worldwide.
What is the largest address block of AS137?
193.204.0.0 to 193.206.255.255, 196,608 addresses.