HTTPfy

AS137 ASGARR Consortium GARR

ASGARR Consortium GARR · registered in Italy

IPv4 addresses2,761,72887 prefixes · 0.088% of announced IPv4
Rank in Italy#5largest network in IT by IPv4 space, of 1,081 · 5.33% of IT
Rank worldwide#155of 79,396 networks with IPv4
IPv62 x /32 (131,072 x /48)2 prefixes
CountryItaly1,121 ASNs registered there
Open AS137 in ASN lookup Look up an IP in this network (90.147.0.1) All networks in Italy

IPv4 prefixes

All 87 prefixes, in address order.

  • 90.147.0.0/16
  • 130.136.0.0/16
  • 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
  • 192.167.0.0/19
  • 192.167.32.0/20
  • 192.167.48.0/21
  • 192.167.56.0/22
  • 192.167.60.0/22
  • 192.167.64.0/18
  • 192.167.128.0/17
  • 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

IPv6 prefixes

All 2 prefixes.

  • 2001:760::/32
  • 2a00:1620::/32

Similar-sized networks in Italy

ASNNameIPv4 addresses
AS1267#2 ASN-WINDTRE WIND TRE S.P.A.7,396,352
AS30722#3 VODAFONE-IT-ASN Fastweb SpA5,575,936
AS12874#4 FASTWEB Fastweb SpA3,562,752
AS16232#6 ASN-TIM Telecom Italia S.p.A.1,777,664
AS8968#7 BT-Italia RETELIT-X S.R.L.821,504
AS3302#8 AS-RETELIT-IRIDEOS Retelit Digital Services S.p.A.617,984

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources