$ query “AS20860” --type=asn → 1 result(s)

AS20860 · IOMART-AS

IOMART CLOUD SERVICES LIMITED

AS20860 is run by IOMART CLOUD SERVICES LIMITED and is a mid-size transit provider, registered in the United Kingdom since 2001. The system announces a solid 394 240 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in the United Kingdom, with additional presence in the United States and Poland, and smaller footprints in 13 additional countries. Prefix announcements for this AS were recently updated.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

Basic Information

Country
🇬🇧 United Kingdom
Category
Hosting
Network Role
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
December 19, 2001
Last Changed
March 04, 2026
Last Seen
September 22, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
207 / 149
IPv6 Prefixes (raw / aggregated)
16 / 13
IPv4 Addresses
394 240
Largest IPv4 Prefix
/17 (32 768 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇬🇧 United Kingdom (741 392 IPs), 🇺🇸 United States (4 528 IPs), 🇵🇱 Poland (2 048 IPs) and 13 more
Prefix Changed
September 17, 2026

Reputation

Reputation
Good — 26 flagged IPs out of 394 240 total (0.01%)
Tor Exit Nodes
1 known Tor exit nodes in this network

Connectivity Summary

Upstream Providers
4 upstreams providing transit
Peers
84 networks exchanging traffic without transit
Downstream Customers
22 downstreams buying transit
Unclassified
2 unclassified BGP neighbors
Degree
112 unique BGP neighbors
Reach
45 networks in customer cone

Upstream Providers (4)

Prefix Lists

IPv4 Prefixes (207 total)

  • 88.150.128.0/17 (32 768 addresses (/17 prefix))
  • 78.129.128.0/17 (32 768 addresses (/17 prefix))
  • 62.233.64.0/18 (16 384 addresses (/18 prefix))
  • 87.117.192.0/18 (16 384 addresses (/18 prefix))
  • 95.154.192.0/18 (16 384 addresses (/18 prefix))
  • 109.169.0.0/18 (16 384 addresses (/18 prefix))
  • 109.200.0.0/19 (8 192 addresses (/19 prefix))
  • 212.84.160.0/19 (8 192 addresses (/19 prefix))
  • 212.38.160.0/19 (8 192 addresses (/19 prefix))
  • 188.227.160.0/19 (8 192 addresses (/19 prefix))
  • 176.227.192.0/19 (8 192 addresses (/19 prefix))
  • 84.22.160.0/19 (8 192 addresses (/19 prefix))
  • 5.152.192.0/19 (8 192 addresses (/19 prefix))
  • 37.220.0.0/19 (8 192 addresses (/19 prefix))
  • 82.145.32.0/19 (8 192 addresses (/19 prefix))
  • 5.77.32.0/19 (8 192 addresses (/19 prefix))
  • 62.128.192.0/19 (8 192 addresses (/19 prefix))
  • 31.3.224.0/19 (8 192 addresses (/19 prefix))
  • 85.232.32.0/19 (8 192 addresses (/19 prefix))
  • 109.169.64.0/19 (8 192 addresses (/19 prefix))
  • 77.246.160.0/20 (4 096 addresses (/20 prefix))
  • 80.243.176.0/20 (4 096 addresses (/20 prefix))
  • 5.187.16.0/20 (4 096 addresses (/20 prefix))
  • 77.240.0.0/20 (4 096 addresses (/20 prefix))
  • 217.77.176.0/20 (4 096 addresses (/20 prefix))
  • 80.75.64.0/20 (4 096 addresses (/20 prefix))
  • 80.84.48.0/20 (4 096 addresses (/20 prefix))
  • 77.245.64.0/20 (4 096 addresses (/20 prefix))
  • 81.94.192.0/20 (4 096 addresses (/20 prefix))
  • 109.73.64.0/20 (4 096 addresses (/20 prefix))
  • 217.147.80.0/20 (4 096 addresses (/20 prefix))
  • 92.63.128.0/20 (4 096 addresses (/20 prefix))
  • 46.20.224.0/20 (4 096 addresses (/20 prefix))
  • 149.3.128.0/20 (4 096 addresses (/20 prefix))
  • 217.194.208.0/20 (4 096 addresses (/20 prefix))
  • 149.255.96.0/20 (4 096 addresses (/20 prefix))
  • 141.0.160.0/21 (2 048 addresses (/21 prefix))
  • 95.129.104.0/21 (2 048 addresses (/21 prefix))
  • 87.237.56.0/21 (2 048 addresses (/21 prefix))
  • 5.133.176.0/21 (2 048 addresses (/21 prefix))
  • 5.159.224.0/21 (2 048 addresses (/21 prefix))
  • 89.207.168.0/21 (2 048 addresses (/21 prefix))
  • 178.250.48.0/21 (2 048 addresses (/21 prefix))
  • 31.216.48.0/21 (2 048 addresses (/21 prefix))
  • 37.128.184.0/21 (2 048 addresses (/21 prefix))
  • 37.157.240.0/21 (2 048 addresses (/21 prefix))
  • 130.185.144.0/21 (2 048 addresses (/21 prefix))
  • 31.24.32.0/21 (2 048 addresses (/21 prefix))
  • 130.180.200.0/21 (2 048 addresses (/21 prefix))
  • 83.142.224.0/21 (2 048 addresses (/21 prefix))

IPv6 Prefixes (16 total)

  • 2a03:b200::/29
  • 2a03:ca80::/31
  • 2a02:7f40::/32
  • 2a02:8c8::/32
  • 2a02:2658::/32
  • 2001:1b40::/32
  • 2a00:5d80::/32
  • 2a0b:4580::/32
  • 2a12:2201::/32
  • 2a01:61c0::/40
  • 2a0c:4380::/40
  • 2a04:de40::/42
  • 2a02:b10:1::/48