AS15412
FLAG TELECOM UK LIMITED — globalcloudxchange.com
Summary
| Country |  United Kingdom | 
| Organization | FLAG TELECOM UK LIMITED | 
| Domain | globalcloudxchange.com | 
| Number of IPv4 | 54,528 | 
| Number of IPv6 | 7.9228× 1028 | 
| AS Type | ISP | 
| Registry | RIPE NCC | 
| Allocated | September 18, 2002 (about 23 years ago) | 
| Updated | September 23, 2025 (about 1 months ago) | 
IP Ranges
AS15412 announces 27 IPv4 ranges and 1 IPv6 range.
That's a total of 54,528 IPv4 addresses and 7.9228× 1028 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status | 
|---|---|---|---|---|
| 43.248.216.0/22 |  MLTSCMPNET | 1,024 | APNIC | ASSIGNED NON-PORTABLE | 
| 45.125.188.0/22 |  Asp-hK | 1,024 | APNIC | ASSIGNED NON-PORTABLE | 
| 62.216.128.0/19 |  FLAG TELECOM UK LIMITED | 8,192 | RIPE NCC | ALLOCATED PA | 
| 80.77.0.0/20 |  Flag Telecom LTD | 4,096 | RIPE NCC | ASSIGNED PA | 
| 80.81.64.0/19 |  Flag Telecom Ireland LTD | 8,192 | RIPE NCC | ASSIGNED PA | 
| 85.95.0.0/19 |  FLAG TELECOM UK LIMITED | 8,192 | RIPE NCC | ALLOCATED PA | 
| 85.95.24.0/22 |  FLAG TELECOM UK LIMITED | 1,024 | RIPE NCC | ALLOCATED PA | 
| 89.17.96.0/19 |  OGERO | 8,192 | RIPE NCC | ASSIGNED PA | 
| 103.5.160.0/22 |  WCAS-01 | 1,024 | APNIC | ASSIGNED NON-PORTABLE | 
| 103.6.20.0/22 |  BEAUGLnet | 1,024 | APNIC | ASSIGNED NON-PORTABLE | 
| 103.8.84.0/24 |  Lihokel | 256 | APNIC | ASSIGNED NON-PORTABLE | 
| 103.8.85.0/24 |  Netscil | 256 | APNIC | ASSIGNED NON-PORTABLE | 
| 103.8.86.0/24 |  Yoamenel | 256 | APNIC | ASSIGNED NON-PORTABLE | 
| 103.8.87.0/24 |  Ronesel | 256 | APNIC | ASSIGNED NON-PORTABLE | 
| 103.11.237.0/24 |  APNSYS | 256 | APNIC | ASSIGNED NON-PORTABLE | 
| 103.15.116.0/22 |  MLLSHFNET | 1,024 | APNIC | ASSIGNED NON-PORTABLE | 
| 103.21.104.0/24 |  DREAMINFOLAB | 256 | APNIC | ASSIGNED NON-PORTABLE | 
| 103.21.106.0/24 |  DREAMINFOLAB | 256 | APNIC | ASSIGNED NON-PORTABLE | 
| 103.23.72.0/22 |  CIT-NET-JP | 1,024 | APNIC | ALLOCATED NON-PORTABLE | 
| 103.103.152.0/22 |  Flag Telecom Ireland Network LTD | 1,024 | APNIC | ALLOCATED PORTABLE | 
| 103.144.202.0/23 |  VDVLLNET | 512 | APNIC | ASSIGNED NON-PORTABLE | 
| 103.154.20.0/23 |  Earthnt01 | 512 | APNIC | ASSIGNED NON-PORTABLE | 
| 103.225.192.0/22 |  Dream Information Laboratory | 1,024 | APNIC | ASSIGNED NON-PORTABLE | 
| 103.233.212.0/22 |  ESCL-KH | 1,024 | APNIC | ASSIGNED NON-PORTABLE | 
| 203.79.32.0/20 |  ASSIGNED-TO-YIPES-25102017 | 4,096 | APNIC | ALLOCATED NON-PORTABLE | 
| 203.79.37.0/24 |  ASSIGNED-TO-FLAG-CHINA-HK-CUSTOMERS 25102017 | 256 | APNIC | ALLOCATED NON-PORTABLE | 
| 203.79.39.0/24 |  For Customer Pldt Rgdipsc269 at 05072018 | 256 | APNIC | ALLOCATED NON-PORTABLE | 
| Prefix | Organization | Size | Registry | Status | 
|---|---|---|---|---|
| 2001:1a00::/32 |  FLAG TELECOM UK LIMITED | 7.9228× 1028 | RIPE NCC | ALLOCATED-BY-RIR | 
Peers
AS15412 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.
Upstreams
AS15412 connects to the global Internet via at least 6 upstream providers. In this setup, AS15412 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS15412 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS15412's role in extending Internet access beyond its own infrastructure.
