Summary

Country
GB United Kingdom
Organization Sysgroup PLC
Domain sysgroup.com
Number of IPv4 26,624
Number of IPv6 2.7779× 1030
AS Type Hosting
Registry RIPE NCC
Allocated March 15, 2006 (about 19 years ago)
Updated February 16, 2025 (about 1 months ago)

IP Ranges

AS39537 announces 23 IPv4 ranges and 10 IPv6 ranges.

That's a total of 26,624 IPv4 addresses and 2.7779× 1030 IPv6 addresses.

Prefix Organization Size Registry Status
31.210.128.0/21
GB Hub Network Services LTD
2,048 RIPE NCC ASSIGNED PA
31.210.132.0/24
GB Sysgroup PLC
256 RIPE NCC ALLOCATED PA
45.145.180.0/22
GB Sysgroup PLC
1,024 RIPE NCC ALLOCATED PA
87.237.64.0/21
GB Hub Network Services LTD
2,048 RIPE NCC ASSIGNED PA
91.207.50.0/23
GB Penguin Internet LTD
512 RIPE NCC ASSIGNED PI
93.95.8.0/22
GB Rockford IT LTD Noc And Management Services
1,024 RIPE NCC ASSIGNED PA
93.95.12.0/22
GB SCOUTS-HOSTING-FW-MPLS
1,024 RIPE NCC ASSIGNED PA
94.190.240.0/21
GB Hub Network Services LTD
2,048 RIPE NCC ASSIGNED PA
94.190.242.0/23
GB Hub Network Services LTD
512 RIPE NCC ASSIGNED PA
94.190.245.0/24
GB Hub Network Services Ltd.
256 RIPE NCC ASSIGNED PA
109.69.80.0/21
GB Hub Network Services LTD
2,048 RIPE NCC ASSIGNED PA
151.236.208.0/21
GB Sysgroup PLC
2,048 RIPE NCC ALLOCATED PA
185.11.240.0/22
GB Paragon Internet Group Limited
1,024 RIPE NCC ASSIGNED PA
185.31.252.0/22
GB Sysgroup PLC
1,024 RIPE NCC ALLOCATED PA
185.49.236.0/22
GB Hub Network Services LTD
1,024 RIPE NCC ASSIGNED PA
185.68.0.0/22
GB Sysgroup PLC
1,024 RIPE NCC ALLOCATED PA
185.71.24.0/22
GB Netplan Liverpool Infrastructure
1,024 RIPE NCC ASSIGNED PA
185.71.26.0/24
GB Sysgroup PLC
256 RIPE NCC ALLOCATED PA
185.105.64.0/23
GB Instiller Net 1
512 RIPE NCC ASSIGNED PA
185.105.66.0/23
GB UK-INSTILLER-20190326
512 RIPE NCC ASSIGNED PA
185.122.216.0/22
GB Sysgroup-Manchester
1,024 RIPE NCC ASSIGNED PA
185.202.115.0/24
GB Neteffekt Limited
256 RIPE NCC ALLOCATED PA
195.94.112.0/20
GB Sysgroup PLC
4,096 RIPE NCC ALLOCATED PA
Prefix Organization Size Registry Status
2a00:e620::/32
GB Sysgroup PLC
7.9228× 1028 RIPE NCC ALLOCATED-BY-RIR
2a01:500::/32
GB Hub Network Services LTD
7.9228× 1028 RIPE NCC ASSIGNED
2a01:500::/29
GB Hub Network Services LTD
6.3383× 1029 RIPE NCC ASSIGNED
2a01:b280::/29
GB SysGroup-Liverpool
6.3383× 1029 RIPE NCC ASSIGNED
2a03:25e0::/32
GB Sysgroup PLC
7.9228× 1028 RIPE NCC ALLOCATED-BY-RIR
2a03:25e0::/36
GB Sysgroup PLC
4.9518× 1027 RIPE NCC ALLOCATED-BY-RIR
2a04:5ac0::/29
GB Sysgroup PLC
6.3383× 1029 RIPE NCC ALLOCATED-BY-RIR
2a04:a1c0:22::/48
GB IT Support Services Team Limited
1.2089× 1024 RIPE NCC ALLOCATED-BY-RIR
2a09:fd40::/48
GB Instiller Limited
1.2089× 1024 RIPE NCC ALLOCATED-BY-LIR
2a0a:fd80::/29
GB SysGroup-London
6.3383× 1029 RIPE NCC AGGREGATED-BY-LIR

Peers

AS39537 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

AS39537 connects to the global Internet via at least 2 upstream providers. In this setup, AS39537 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

Downstreams

AS39537 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS39537's role in extending Internet access beyond its own infrastructure.

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