$ query “AS137” --type=asn → 1 result(s)
AS137 — ASGARR
Consortium GARR
AS137 is a mid-size transit provider registered to Consortium GARR, registered in Italy since 2002. The network announces an impressive 2.8 million IPv4 addresses, including a /15. Supports IPv6.
- Top 5% — Top 5% of all autonomous systems by reach and degree
Basic Information
- Country
- 🇮🇹 Italy
- Category
- Hosting
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Registered
- August 21, 2002
- Last Changed
- March 04, 2026
- Last Seen
- March 05, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 83 / 77
- IPv6 Prefixes (raw / aggregated)
- 2 / 2
- IPv4 Addresses
- 2 770 944
- Largest IPv4 Prefix
- /15 (131 072 addresses)
- Largest IPv6 Prefix
- /32
- Geolocated Countries
- 🇮🇹 IT (202 IPs)
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Good — 6 flagged IPs out of 2 770 944 total (0.00%)
Connectivity Summary
- Upstream Providers
- 3 upstream autonomous systems providing transit
- Peers
- 36 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 15 downstream autonomous systems buying transit
- Degree
- 56 unique BGP neighbors (providers + customers + peers)
- Reach
- 27 — customer cone size measuring network influence
- Degree Rank
- #2 731
- Reach Rank
- #1 970
Upstream Providers (3)
Prefix Lists
IPv4 Prefixes (83 total)
- 147.162.0.0/15 (131 072 addresses)
- 193.204.0.0/15 (131 072 addresses)
- 90.147.0.0/16 (65 536 addresses)
- 130.136.0.0/16 (65 536 addresses)
- 130.192.0.0/16 (65 536 addresses)
- 130.251.0.0/16 (65 536 addresses)
- 131.114.0.0/16 (65 536 addresses)
- 131.154.0.0/16 (65 536 addresses)
- 131.175.0.0/16 (65 536 addresses)
- 137.204.0.0/16 (65 536 addresses)
- 138.41.0.0/16 (65 536 addresses)
- 140.105.0.0/16 (65 536 addresses)
- 140.164.0.0/16 (65 536 addresses)
- 141.108.0.0/16 (65 536 addresses)
- 141.250.0.0/16 (65 536 addresses)
- 143.225.0.0/16 (65 536 addresses)
- 146.48.0.0/16 (65 536 addresses)
- 147.122.0.0/16 (65 536 addresses)
- 149.132.0.0/16 (65 536 addresses)
- 149.139.0.0/16 (65 536 addresses)
- 150.145.0.0/16 (65 536 addresses)
- 150.146.0.0/16 (65 536 addresses)
- 150.178.0.0/16 (65 536 addresses)
- 150.217.0.0/16 (65 536 addresses)
- 151.97.0.0/16 (65 536 addresses)
- 151.100.0.0/16 (65 536 addresses)
- 155.185.0.0/16 (65 536 addresses)
- 155.253.0.0/16 (65 536 addresses)
- 156.14.0.0/16 (65 536 addresses)
- 156.148.0.0/16 (65 536 addresses)
- 157.27.0.0/16 (65 536 addresses)
- 157.138.0.0/16 (65 536 addresses)
- 158.110.0.0/16 (65 536 addresses)
- 159.149.0.0/16 (65 536 addresses)
- 160.78.0.0/16 (65 536 addresses)
- 160.80.0.0/16 (65 536 addresses)
- 160.97.0.0/16 (65 536 addresses)
- 192.167.0.0/16 (65 536 addresses)
- 193.206.0.0/16 (65 536 addresses)
- 212.189.128.0/17 (32 768 addresses)
- 130.186.0.0/19 (8 192 addresses)
- 192.107.64.0/19 (8 192 addresses)
- 194.119.192.0/19 (8 192 addresses)
- 192.84.128.0/20 (4 096 addresses)
- 192.135.16.0/20 (4 096 addresses)
- 192.84.144.0/21 (2 048 addresses)
- 192.107.56.0/21 (2 048 addresses)
- 192.135.8.0/21 (2 048 addresses)
- 185.191.180.0/22 (1 024 addresses)
- 192.84.152.0/22 (1 024 addresses)
IPv6 Prefixes (2 total)
- 2001:760::/32
- 2a00:1620::/32