$ query “AS31027” --type=asn → 1 result(s)

AS31027 · GLOBALCONNECT-AS31027

GlobalConnect A/S

AS31027 is owned by GlobalConnect A/S and is a major transit provider, based in Denmark since 2004. The system announces a solid 399 872 IPv4 addresses, including a /16, and supports IPv6. The bulk of its IP address space is in Denmark, with additional presence in Germany and the United Kingdom, and smaller footprints in 4 additional countries.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #47 by Reach — Top 100 by customer cone size
  • #1 in Denmark — Top 10 by reach within country

Basic Information

Country
🇩🇰 Denmark
Category
Hosting
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
February 10, 2004
Last Changed
March 04, 2026
Last Seen
June 22, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
134 / 125
IPv6 Prefixes (raw / aggregated)
13 / 12
IPv4 Addresses
399 872
Largest IPv4 Prefix
/16 (65 536 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇩🇰 Denmark (707 760 IPs), 🇩🇪 Germany (12 288 IPs), 🇬🇧 United Kingdom (512 IPs) and 4 more
Prefix Changed
June 13, 2026

Reputation

Reputation
Good — 4 flagged IPs out of 399 872 total (0.00%)

Connectivity Summary

Upstream Providers
3 upstreams providing transit
Peers
124 networks exchanging traffic without transit
Downstream Customers
188 downstreams buying transit
Unclassified
11 unclassified BGP neighbors
Degree
326 unique BGP neighbors
Reach
39 447 networks in customer cone

Upstream Providers (3)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS12552 — GLOBALCONNECT-AS12552

Prefix Lists

IPv4 Prefixes (134 total)

  • 94.18.0.0/16 (65 536 addresses (/16 prefix))
  • 152.115.0.0/16 (65 536 addresses (/16 prefix))
  • 87.116.0.0/18 (16 384 addresses (/18 prefix))
  • 93.176.64.0/18 (16 384 addresses (/18 prefix))
  • 83.151.128.0/18 (16 384 addresses (/18 prefix))
  • 88.212.64.0/18 (16 384 addresses (/18 prefix))
  • 109.202.128.0/19 (8 192 addresses (/19 prefix))
  • 188.120.64.0/19 (8 192 addresses (/19 prefix))
  • 212.60.96.0/19 (8 192 addresses (/19 prefix))
  • 87.104.192.0/19 (8 192 addresses (/19 prefix))
  • 77.233.224.0/19 (8 192 addresses (/19 prefix))
  • 82.192.160.0/19 (8 192 addresses (/19 prefix))
  • 62.116.192.0/19 (8 192 addresses (/19 prefix))
  • 78.153.160.0/19 (8 192 addresses (/19 prefix))
  • 62.12.32.0/20 (4 096 addresses (/20 prefix))
  • 92.62.192.0/20 (4 096 addresses (/20 prefix))
  • 93.90.0.0/20 (4 096 addresses (/20 prefix))
  • 78.111.160.0/20 (4 096 addresses (/20 prefix))
  • 5.179.80.0/20 (4 096 addresses (/20 prefix))
  • 80.88.128.0/20 (4 096 addresses (/20 prefix))
  • 80.243.112.0/20 (4 096 addresses (/20 prefix))
  • 217.12.144.0/20 (4 096 addresses (/20 prefix))
  • 130.185.128.0/20 (4 096 addresses (/20 prefix))
  • 91.143.112.0/20 (4 096 addresses (/20 prefix))
  • 85.202.64.0/20 (4 096 addresses (/20 prefix))
  • 217.74.208.0/20 (4 096 addresses (/20 prefix))
  • 46.32.128.0/20 (4 096 addresses (/20 prefix))
  • 5.56.144.0/20 (4 096 addresses (/20 prefix))
  • 217.116.208.0/20 (4 096 addresses (/20 prefix))
  • 217.195.176.0/20 (4 096 addresses (/20 prefix))
  • 37.49.128.0/20 (4 096 addresses (/20 prefix))
  • 89.221.160.0/20 (4 096 addresses (/20 prefix))
  • 62.12.48.0/21 (2 048 addresses (/21 prefix))
  • 194.182.96.0/21 (2 048 addresses (/21 prefix))
  • 176.222.232.0/21 (2 048 addresses (/21 prefix))
  • 176.67.184.0/21 (2 048 addresses (/21 prefix))
  • 37.28.136.0/21 (2 048 addresses (/21 prefix))
  • 83.136.88.0/21 (2 048 addresses (/21 prefix))
  • 37.25.64.0/21 (2 048 addresses (/21 prefix))
  • 62.122.160.0/21 (2 048 addresses (/21 prefix))
  • 5.83.24.0/21 (2 048 addresses (/21 prefix))
  • 78.31.32.0/21 (2 048 addresses (/21 prefix))
  • 185.27.204.0/22 (1 024 addresses (/22 prefix))
  • 185.216.156.0/22 (1 024 addresses (/22 prefix))
  • 45.67.92.0/22 (1 024 addresses (/22 prefix))
  • 46.32.156.0/22 (1 024 addresses (/22 prefix))
  • 195.140.132.0/22 (1 024 addresses (/22 prefix))
  • 195.95.240.0/22 (1 024 addresses (/22 prefix))
  • 92.43.72.0/22 (1 024 addresses (/22 prefix))
  • 193.150.84.0/22 (1 024 addresses (/22 prefix))

IPv6 Prefixes (13 total)

  • 2a02:188::/29
  • 2a06:b740::/29
  • 2a06:c080::/29
  • 2a00:97e0::/32
  • 2a00:b3a1::/32
  • 2a01:4f0::/32
  • 2a01:ef80::/32
  • 2a02:460::/32
  • 2a09:7440::/32
  • 2a03:6947:600::/40
  • 2a10:cf80:1001::/48
  • 2a10:cf80:2001::/48