IP pool by organisation

Search for "BT Internal"

IP Pool	Country	State / Region	City	Coordinates	Timezone
217.33.217.128 - 217.33.217.255	Great Britain ISP \| ORG	Hertfordshire ISP \| ORG	Potters Bar ISP \| ORG	51.6949, -0.203329	Europe/London (UTC+1) ISP \| ORG
2a00:2381:36e:900:: - 2a00:2381:36e:9ff:ffff:ffff:ffff:ffff	Great Britain ISP \| ORG	England ISP \| ORG	London ISP \| ORG	51.5085, -0.125487	Europe/London (UTC+1) ISP \| ORG