AS137

AS137 is Consortium GARR.

Short answer

AS137 belongs to Consortium GARR. DB-IP Lite attributes 2,769,920 IPv4 addresses in 62 ranges and 2 IPv6 ranges to it, all or nearly all of the IPv4 space in Italy. The number is registered with RIPE NCC in Italy on 1 Sept 1993.

Facts for AS137
Operator (DB-IP)Consortium GARR
IPv4 addresses2,769,920
IPv4 ranges62
IPv6 ranges2
RegistryRIPE NCC
Registered1 Sept 1993
Registry countryItaly (IT)

Does it publish a geofeed?

We haven’t checked this network’s registry records for a geofeed yet. The Truth Check looks for one live for any address you test.

Shared addresses (CGNAT)

Consortium GARR hasn’t been documented as using carrier-grade NAT in a source we could check. To see whether your own connection is behind it, compare your router’s address on the CGNAT check.

IPv6

DB-IP lists 2 IPv6 ranges for AS137, so customers can get IPv6 addresses, which databases place separately from IPv4.

Where its IPv4 space is used, according to DB-IP

IT100%
US0.01%

Share of the network’s IPv4 addresses by DB-IP Country Lite. IP Geolocation by DB-IP.

IP ranges

RangeAs CIDRAddresses
90.147.0.0 – 90.147.255.25590.147.0.0/1665,536
130.136.0.0 – 130.136.255.255130.136.0.0/1665,536
130.186.0.0 – 130.186.31.255130.186.0.0/198,192
130.192.0.0 – 130.192.255.255130.192.0.0/1665,536
130.251.0.0 – 130.251.255.255130.251.0.0/1665,536
131.114.0.0 – 131.114.255.255131.114.0.0/1665,536
131.154.0.0 – 131.154.255.255131.154.0.0/1665,536
131.175.4.0 – 131.175.255.255131.175.4.0/22, 131.175.8.0/21 …64,512
137.204.0.0 – 137.204.255.255137.204.0.0/1665,536
138.41.0.0 – 138.41.255.255138.41.0.0/1665,536
140.105.0.0 – 140.105.255.255140.105.0.0/1665,536
140.164.0.0 – 140.164.255.255140.164.0.0/1665,536
141.108.0.0 – 141.108.255.255141.108.0.0/1665,536
141.250.0.0 – 141.250.255.255141.250.0.0/1665,536
143.225.0.0 – 143.225.255.255143.225.0.0/1665,536
146.48.0.0 – 146.48.255.255146.48.0.0/1665,536
147.122.0.0 – 147.122.255.255147.122.0.0/1665,536
147.162.0.0 – 147.163.255.255147.162.0.0/15131,072
149.132.0.0 – 149.132.255.255149.132.0.0/1665,536
149.139.0.0 – 149.139.255.255149.139.0.0/1665,536
150.145.0.0 – 150.146.255.255150.145.0.0/16, 150.146.0.0/16131,072
150.178.0.0 – 150.178.255.255150.178.0.0/1665,536
150.217.0.0 – 150.217.255.255150.217.0.0/1665,536
151.97.0.0 – 151.97.255.255151.97.0.0/1665,536
151.100.0.0 – 151.100.255.255151.100.0.0/1665,536
155.185.0.0 – 155.185.255.255155.185.0.0/1665,536
155.253.0.0 – 155.253.255.255155.253.0.0/1665,536
156.14.0.0 – 156.14.255.255156.14.0.0/1665,536
156.148.0.0 – 156.148.255.255156.148.0.0/1665,536
157.27.0.0 – 157.27.255.255157.27.0.0/1665,536
157.138.0.0 – 157.138.255.255157.138.0.0/1665,536
158.110.0.0 – 158.110.255.255158.110.0.0/1665,536
159.149.0.0 – 159.149.255.255159.149.0.0/1665,536
160.78.0.0 – 160.78.255.255160.78.0.0/1665,536
160.80.0.0 – 160.80.255.255160.80.0.0/1665,536
160.97.0.0 – 160.97.255.255160.97.0.0/1665,536
185.191.180.0 – 185.191.183.255185.191.180.0/221,024
192.41.218.0 – 192.41.218.255192.41.218.0/24256
192.55.101.0 – 192.55.101.255192.55.101.0/24256
192.84.127.0 – 192.84.156.255192.84.127.0/24, 192.84.128.0/20 …7,680
192.106.234.0 – 192.106.234.255192.106.234.0/24256
192.107.51.0 – 192.107.100.255192.107.51.0/24, 192.107.52.0/22 …12,800
192.132.34.0 – 192.132.34.255192.132.34.0/24256
192.133.28.0 – 192.133.28.255192.133.28.0/24256
192.135.8.0 – 192.135.37.255192.135.8.0/21, 192.135.16.0/20 …7,680
192.135.165.0 – 192.135.165.255192.135.165.0/24256
192.146.242.0 – 192.146.242.255192.146.242.0/24256
192.148.193.0 – 192.148.193.255192.148.193.0/24256
192.150.194.0 – 192.150.196.255192.150.194.0/23, 192.150.196.0/24768
192.156.213.0 – 192.156.213.255192.156.213.0/24256
2001:760:: – 2001:760:ffff:ffff:ffff:ffff:ffff:ffff2001:760::/32IPv6
2a00:1620:: – 2a00:1620:ffff:ffff:ffff:ffff:ffff:ffff2a00:1620::/32IPv6
Showing 50 of 62 IPv4 and 2 of 2 IPv6 ranges All ranges (CSV)

IP Geolocation by DB-IP, ASN Lite, CC BY 4.0.

Using an address from this network? See which sources agree on where it is.

Sources

  1. DB-IP IP to ASN Lite (CC BY 4.0) · checked 3 Nov 2026
  2. NRO RIR delegated-extended statistics · checked 4 Nov 2026