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

AS31027 · GLOBALCONNECT-AS31027

GlobalConnect A/S

AS31027 is operated by GlobalConnect A/S and serves as a major transit provider, registered in Denmark since 2004. The system announces a solid 389 888 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. This AS has recently updated its prefix announcements.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • #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
April 28, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
130 / 121
IPv6 Prefixes (raw / aggregated)
12 / 11
IPv4 Addresses
389 888
Largest IPv4 Prefix
/16 (65 536 addresses)
Largest IPv6 Prefix
/29
Geolocated Countries
🇩🇰 Denmark (699 328 IPs), 🇩🇪 Germany (12 288 IPs), 🇬🇧 United Kingdom (512 IPs) and 4 more
Prefix Changed
April 29, 2026

Reputation

Reputation
Good — 2 flagged IPs out of 389 888 total (0.00%)

Connectivity Summary

Upstream Providers
2 upstreams providing transit
Peers
141 networks exchanging traffic without transit
Downstream Customers
174 downstreams buying transit
Unclassified
9 unclassified BGP neighbors
Degree
326 unique BGP neighbors
Reach
4 359 networks in customer cone

Upstream Providers (2)

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

Prefix Lists

IPv4 Prefixes (130 total)

  • 94.18.0.0/16 (65 536 addresses (/16 prefix))
  • 152.115.0.0/16 (65 536 addresses (/16 prefix))
  • 83.151.128.0/18 (16 384 addresses (/18 prefix))
  • 93.176.64.0/18 (16 384 addresses (/18 prefix))
  • 88.212.64.0/18 (16 384 addresses (/18 prefix))
  • 87.116.0.0/18 (16 384 addresses (/18 prefix))
  • 109.202.128.0/19 (8 192 addresses (/19 prefix))
  • 212.60.96.0/19 (8 192 addresses (/19 prefix))
  • 188.120.64.0/19 (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))
  • 78.153.160.0/19 (8 192 addresses (/19 prefix))
  • 62.116.192.0/19 (8 192 addresses (/19 prefix))
  • 80.243.112.0/20 (4 096 addresses (/20 prefix))
  • 217.195.176.0/20 (4 096 addresses (/20 prefix))
  • 93.90.0.0/20 (4 096 addresses (/20 prefix))
  • 5.179.80.0/20 (4 096 addresses (/20 prefix))
  • 78.111.160.0/20 (4 096 addresses (/20 prefix))
  • 130.185.128.0/20 (4 096 addresses (/20 prefix))
  • 80.88.128.0/20 (4 096 addresses (/20 prefix))
  • 92.62.192.0/20 (4 096 addresses (/20 prefix))
  • 62.12.32.0/20 (4 096 addresses (/20 prefix))
  • 37.49.128.0/20 (4 096 addresses (/20 prefix))
  • 217.12.144.0/20 (4 096 addresses (/20 prefix))
  • 85.202.64.0/20 (4 096 addresses (/20 prefix))
  • 46.32.128.0/20 (4 096 addresses (/20 prefix))
  • 217.74.208.0/20 (4 096 addresses (/20 prefix))
  • 89.221.160.0/20 (4 096 addresses (/20 prefix))
  • 91.143.112.0/20 (4 096 addresses (/20 prefix))
  • 217.116.208.0/20 (4 096 addresses (/20 prefix))
  • 5.56.144.0/20 (4 096 addresses (/20 prefix))
  • 176.67.184.0/21 (2 048 addresses (/21 prefix))
  • 176.222.232.0/21 (2 048 addresses (/21 prefix))
  • 83.136.88.0/21 (2 048 addresses (/21 prefix))
  • 37.28.136.0/21 (2 048 addresses (/21 prefix))
  • 194.182.96.0/21 (2 048 addresses (/21 prefix))
  • 62.12.48.0/21 (2 048 addresses (/21 prefix))
  • 37.25.64.0/21 (2 048 addresses (/21 prefix))
  • 78.31.32.0/21 (2 048 addresses (/21 prefix))
  • 5.83.24.0/21 (2 048 addresses (/21 prefix))
  • 62.122.160.0/21 (2 048 addresses (/21 prefix))
  • 185.20.240.0/22 (1 024 addresses (/22 prefix))
  • 91.230.68.0/22 (1 024 addresses (/22 prefix))
  • 185.200.8.0/22 (1 024 addresses (/22 prefix))
  • 92.43.72.0/22 (1 024 addresses (/22 prefix))
  • 185.212.208.0/22 (1 024 addresses (/22 prefix))
  • 185.126.108.0/22 (1 024 addresses (/22 prefix))
  • 185.125.80.0/22 (1 024 addresses (/22 prefix))
  • 185.216.156.0/22 (1 024 addresses (/22 prefix))
  • 195.95.240.0/22 (1 024 addresses (/22 prefix))
  • and 71 more

IPv6 Prefixes (12 total)

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